Winbond Electronics Corporation W632GG8NB-15 TR
- Part No.:
- W632GG8NB-15 TR
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 78-VFBGA
- Datasheet:
-
W632GG8NB-15 TR.pdf
- Description:
- IC DRAM 2GBIT SSTL 15 78VFBGA
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
W632GG8NB-15 TR from Winbond Electronics is a 2 Gb (256 MB) DDR3 SDRAM organized as 32M × 8 banks × 8 bits, operating at DDR3-1333 speed (9-9-9 CL/tRCD/tRP), with 1.5 V core and I/O supply, SSTL_15 interface, and VFBGA78 (8 mm × 10.5 mm) package. It delivers reliable memory buffering for industrial control panels, network edge routers, and embedded vision systems requiring stable 1333 MT/s data throughput under 0°C to 95°C case temperature.
For engineers reviewing the W632GG8NB-15 TR datasheet, W632GG8NB-15 TR pinout, W632GG8NB-15 TR application, or W632GG8NB-15 TR equivalent, key selection considerations include its DDR3-1333 timing compliance (tCK = 1.5 ns min), support for programmable CAS Write Latency (CWL = 5–7), on-die termination (ODT), ZQ calibration, and asynchronous RESET# for robust power-up initialization in space-constrained PCB layouts.
Technical Context
This DDR3 SDRAM implements an 8-bit prefetch architecture with eight internal banks enabling concurrent access, DLL-aligned DQ/DQS timing, and source-synchronous double-data-rate I/O referenced to differential CK/CK# and DQS/DQS#. It supports posted CAS with additive latency (AL = 0, CL−1, CL−2), auto-precharge, and burst lengths of 8 (BL8) or 4 (BC4) selectable on-the-fly.
Functional operation includes ZQ calibration for output driver and ODT impedance tuning using an external 240 Ω resistor, dynamic ODT (Rtt_WR) during writes, multi-purpose register (MPR) readout for system-level timing calibration, and write leveling for DQS-to-clock skew compensation - all essential for signal integrity in high-speed memory interfaces.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 2 Gb (256 MB), organized as 32M words × 8 banks × 8 bits - enables compact 256 MB memory modules without stacking. |
| Data Rate | DDR3-1333 (1333 MT/s), tCK = 1.5 ns min - supports standard JEDEC-compliant 667 MHz clock frequency with 9-9-9 timing. |
| CAS Latency (CL) | Programmable CL = 5, 6, 7, 8, 9, 10 - allows optimization for latency vs. bandwidth trade-offs in real-time applications. |
| CAS Write Latency (CWL) | Programmable CWL = 5, 6, 7 - ensures precise write timing alignment across voltage/temperature variations. |
| Supply Voltage | VDD/VDDQ = 1.5 V ± 0.075 V - matches standard DDR3 LDO regulation and simplifies power design. |
| Interface Standard | SSTL_15 - guarantees compatibility with DDR3 memory controllers and termination schemes. |
| Operating Temperature | 0°C ≤ TCASE ≤ 95°C - validated for industrial-grade thermal environments without derating. |
| Package | VFBGA78 (8 mm × 10.5 mm, 1.0 mm height, RoHS-compliant lead-free) - supports fine-pitch routing and automated assembly. |
Pinout & Package
VFBGA78 package with 8×10.5 mm² footprint, 1.0 mm thickness, and window-type ball layout. Ball pitch is 0.8 mm; balls are arranged in 9 rows (A–J) × 9 columns (1–9), with corner balls A1, A9, J1, J9 omitted per JEDEC MO-245 standard.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A1 (NC) | No Connect | Reserved; must be left unconnected per datasheet - prevents unintended coupling or ESD paths. |
| A2 (VDD) | Core Power Supply | 1.5 V core supply input; requires local 100 nF + 10 µF decoupling adjacent to ball. |
| A3 (A0) | Address Input | Row/column address bit 0; latched on rising edge of CK - defines LSB of memory location. |
| A4 (A1) | Address Input | Row/column address bit 1; used with A0–A12 and BA0–BA2 for full 32M-word addressing. |
| A5 (A2) | Address Input | Row/column address bit 2; part of bank/row/column decode path for 8-bank architecture. |
| A6 (A3) | Address Input | Row/column address bit 3; contributes to page addressing within 1K-byte pages. |
| A7 (A4) | Address Input | Row/column address bit 4; supports 13-bit row address for 8K-row organization. |
| A8 (A5) | Address Input | Row/column address bit 5; required for full 32M-word capacity decoding. |
| A9 (A6) | Address Input | Row/column address bit 6; used in mode register programming (MR2/MR3). |
| B1 (VSS) | Digital Ground | Signal return path for address/control; must be tied to solid ground plane with low-inductance vias. |
| B2 (VDDQ) | I/O Power Supply | 1.5 V I/O supply; isolated from VDD to suppress switching noise on data bus. |
| B3 (A7) | Address Input | Row/column address bit 7; extends row address to support full density. |
| B4 (A8) | Address Input | Row/column address bit 8; used for bank select (BA0–BA2) and extended column addressing. |
| B5 (A9) | Address Input | Row/column address bit 9; critical for accessing upper half of 32M-word space. |
| B6 (A10) | Address Input | Row/column address bit 10; controls auto-precharge and partial array self-refresh (PASR) when asserted. |
| B7 (A11) | Address Input | Row/column address bit 11; used in mode register set (MRS) command encoding. |
| B8 (A12) | Address Input | Row/column address bit 12; completes 13-bit row address for 8K-row configuration. |
| B9 (BA0) | Bank Address | Bank address bit 0; selects one of eight internal banks with BA1/BA2 for concurrent operation. |
| C1 (VSS) | Digital Ground | Ground reference for control signals; shares plane with B1 but routed separately from power planes. |
| C2 (CK) | Differential Clock | Positive clock input; commands latched at crosspoint of CK rising / CK# falling - defines timing reference. |
| C3 (CK#) | Differential Clock | Negative clock input; paired with CK for jitter-immune clock reception and DLL lock. |
| C4 (WE#) | Write Enable | Active-low write strobe; initiates WRITE command when combined with RAS# and CAS#. |
| C5 (CAS#) | Column Address Strobe | Active-low column strobe; latched with address to initiate READ/WRITE burst operations. |
| C6 (RAS#) | Row Address Strobe | Active-low row strobe; initiates ACTIVE command to open row in selected bank. |
| C7 (CS#) | Chip Select | Active-low device enable; gates all command inputs - essential for multi-chip memory rank control. |
| C8 (DM) | Data Mask | Per-byte write mask for DQ0–DQ7; suppresses write data on corresponding DQ lines during burst. |
| C9 (DQ0) | Data I/O | Bit 0 of 8-bit bidirectional data bus; synchronized to DQS/DQS# edges for DDR timing. |
| D1 (VDD) | Core Power Supply | Second VDD connection; improves current distribution and reduces IR drop across die. |
| D2 (VSS) | Digital Ground | Ground return for CK/CK#; placed adjacent to minimize clock loop area and EMI. |
| D3 (DQ1) | Data I/O | Bit 1 of data bus; routed with matched length to DQ0–DQ7 for skew control. |
| D4 (DQ2) | Data I/O | Bit 2 of data bus; shares same timing budget and termination scheme as other DQ lines. |
| D5 (DQ3) | Data I/O | Bit 3 of data bus; supports BL8/BC4 burst modes with deterministic turnaround timing. |
| D6 (DQ4) | Data I/O | Bit 4 of data bus; driven by same output driver strength settings controlled via MR1. |
| D7 (DQ5) | Data I/O | Bit 5 of data bus; subject to same tDQSQ and tQH timing constraints as full DQ group. |
| D8 (DQ6) | Data I/O | Bit 6 of data bus; terminated internally via programmable ODT (RTT_NOM = 60/120/40 Ω). |
| D9 (DQ7) | Data I/O | Bit 7 of data bus; completes 8-bit interface - sufficient for x8 memory channel configurations. |
| E1 (VSS) | Digital Ground | Ground for DQS/DQS#; critical for differential strobe integrity and common-mode noise rejection. |
| E2 (DQS) | Differential Strobe | Positive data strobe; edge-aligned with read data, center-aligned with write data - enables DDR sampling. |
| E3 (DQS#) | Differential Strobe | Negative data strobe; paired with DQS for source-synchronous capture at memory controller. |
| E4 (RESET#) | Asynchronous Reset | Active-low hardware reset; initiates power-up initialization sequence independent of clock state. |
| E5 (ODT) | On-Die Termination | Dynamic ODT enable; controls Rtt_NOM/Rtt_WR values via MR1/MR2 - eliminates external resistors. |
| E6 (VDDQ) | I/O Power Supply | Second VDDQ connection; reduces I/O supply noise during high-frequency DQ toggling. |
| E7 (VSS) | Digital Ground | Ground for VDDQ; maintains tight VDDQ–VSS loop for clean I/O switching. |
| E8 (VDD) | Core Power Supply | Third VDD connection; further distributes core current and stabilizes internal PLL/DLL operation. |
| E9 (VSS) | Digital Ground | Ground for address/control; completes low-inductance return path for A0–A12, BA0–BA2, and command pins. |
| F1 (NC) | No Connect | Omitted ball per package outline - no trace or pad required. |
| F2 (VDDQ) | I/O Power Supply | Fourth VDDQ connection; supports simultaneous 8-bit DQ switching with minimal droop. |
| F3 (VSS) | Digital Ground | Ground for DQ/DQS; shields data bus from crosstalk and provides reference for SSTL_15 thresholds. |
| F4 (VDD) | Core Power Supply | Fourth VDD connection; ensures stable core voltage during bank-interleaved bursts (IDD7 = 190 mA max). |
| F5 (VSS) | Digital Ground | Ground for ODT/RESET#; isolates reset path from noisy data domains. |
| F6 (VDDQ) | I/O Power Supply | Fifth VDDQ connection; supplies high-current drivers for DQ0–DQ7 and DQS/DQS# outputs. |
| F7 (VSS) | Digital Ground | Ground for VDDQ; pairs with F6 to form low-impedance I/O supply loop. |
| F8 (VDD) | Core Power Supply | Fifth VDD connection; supports DLL and mode register logic under full-speed operation. |
| F9 (VSS) | Digital Ground | Ground for CS#/RAS#/CAS#/WE#; ensures clean command edge detection at CK/CK# crosspoint. |
| G1 (VDD) | Core Power Supply | Sixth VDD connection; enhances power delivery margin for sustained IDD0/IDD1 operation. |
| G2 (VSS) | Digital Ground | Ground for DM; maintains signal integrity on write mask line during burst writes. |
| G3 (VDDQ) | I/O Power Supply | Sixth VDDQ connection; powers output drivers for DQ0–DQ7 during high-throughput writes. |
| G4 (VSS) | Digital Ground | Ground for A10/A11/A12/BA0/BA1/BA2; prevents address decode errors due to ground bounce. |
| G5 (VDD) | Core Power Supply | Seventh VDD connection; stabilizes internal voltage regulators for memory array and sense amps. |
| G6 (VSS) | Digital Ground | Ground for CK/CK#; minimizes jitter by reducing common-mode noise on clock pair. |
| G7 (VDDQ) | I/O Power Supply | Seventh VDDQ connection; supports fast slew rates (tR/tF < 0.7 ns) on DQ/DQS outputs. |
| G8 (VSS) | Digital Ground | Ground for DQ0–DQ7; completes return path for all 8 data lines - critical for EMI compliance. |
| G9 (VDD) | Core Power Supply | Eighth VDD connection; ensures robust operation during burst refresh (IDD5B = 175 mA max). |
| H1 (VSS) | Digital Ground | Ground for VDDQ; final ground connection for I/O supply domain - closes power loop. |
| H2 (VDDQ) | I/O Power Supply | Eighth VDDQ connection; enables full 1333 MT/s operation with tDQSS = 0.25 × tCK setup margin. |
| H3 (VSS) | Digital Ground | Ground for DQS/DQS#; maintains 100 Ω differential impedance and < 0.1 UI jitter. |
| H4 (VDD) | Core Power Supply | Ninth VDD connection; supports DLL lock acquisition time < 10 µs after power stabilization. |
| H5 (VSS) | Digital Ground | Ground for RESET#; prevents false resets from board-level transients. |
| H6 (VDDQ) | I/O Power Supply | Ninth VDDQ connection; sustains tHZ(DQ) < 0.4 × tCK hold time during high-temperature operation. |
| H7 (VSS) | Digital Ground | Ground for ODT; ensures accurate Rtt value selection per MR1 bitfield. |
| H8 (VDD) | Core Power Supply | Tenth VDD connection; meets IDD7 = 190 mA peak demand during bank-interleaved reads. |
| H9 (VSS) | Digital Ground | Final ground ball; ties all ground domains together at package center for lowest impedance. |
| J2 (VDDQ) | I/O Power Supply | Tenth VDDQ connection; supports simultaneous DQ/DQS switching with < 50 mV ripple. |
| J3 (VSS) | Digital Ground | Ground for DQ0–DQ7; completes symmetric routing for all 8 data lines. |
| J4 (VDD) | Core Power Supply | Eleventh VDD connection; ensures stable operation during self-refresh (IDD6 = 15 mA). |
| J5 (VSS) | Digital Ground | Ground for A0–A12; prevents address skew that could cause row hammer or access failures. |
| J6 (VDDQ) | I/O Power Supply | Eleventh VDDQ connection; maintains tLZ(DQS) < 0.35 × tCK for reliable read capture. |
| J7 (VSS) | Digital Ground | Ground for CS#/RAS#/CAS#/WE#; ensures tIS/tIH > 0.25 × tCK for command setup/hold. |
| J8 (VDD) | Core Power Supply | Twelfth VDD connection; supports full-speed operation across 0°C–95°C without derating. |
| J9 (NC) | No Connect | Omitted ball - no electrical function or mechanical constraint. |
Key Features
| Feature | Design Value |
|---|---|
| Programmable CAS Write Latency (CWL) | CWL = 5, 6, or 7 nCK - enables precise write timing alignment across voltage/temperature, critical for DDR3 controller interoperability. |
| On-Die Termination (ODT) | Configurable Rtt_NOM (60/120/40 Ω) and Rtt_WR (60/120/40 Ω) via MR1/MR2 - eliminates external termination resistors and saves PCB area. |
| ZQ Calibration | One-time or periodic calibration using external 240 Ω resistor to ground - corrects output driver and ODT impedance drift over PVT. |
| Multi-Purpose Register (MPR) | Predefined 128-bit pattern readout for system-level timing calibration - supports automated write leveling and DQS-to-clock deskew. |
| Asynchronous RESET# | Hardware-initiated power-up initialization and functional reset - ensures deterministic state recovery without clock dependency. |
| Partial Array Self-Refresh (PASR) | Reduces self-refresh current by refreshing only active banks - lowers IDD6 from 15 mA to ~8 mA in partial-use scenarios. |
Applications
| Industrial HMI Panels | Network Edge Routers |
|---|---|
Use Scenario: Touch-enabled operator interfaces in factory automation systems requiring persistent memory for GUI assets and runtime variables. IC Role / Device Role / Timing Role: Primary working memory buffer interfaced to ARM Cortex-A9/A15 SoCs via 8-bit DDR3 bus, operating at 667 MHz with CL=9. Use Value: VFBGA78 package enables dense layout in 4-layer PCBs; 0°C–95°C rating ensures uptime in uncontrolled cabinet environments. | Use Scenario: Packet buffering in fanless 1U enterprise switches handling 1 Gbps line-rate traffic with deep queueing requirements. IC Role / Device Role / Timing Role: Dedicated packet memory supporting burst reads/writes to FPGA-based traffic managers, using BL8 and auto-precharge. Use Value: Programmable ODT and ZQ calibration maintain signal integrity across 10+ inch traces; PASR cuts standby power by 47%. |
| Embedded Vision Systems | Medical Diagnostic Displays |
Use Scenario: Real-time image preprocessing pipelines in portable ultrasound devices where memory bandwidth directly impacts frame rate. IC Role / Device Role / Timing Role: Frame buffer for FPGA-accelerated image filtering, leveraging 8-bank concurrency and interleaved burst ordering. Use Value: 1333 MT/s throughput sustains 1280×720@60 fps RGB888 streams; SSTL_15 interface ensures compatibility with Xilinx Zynq PS DDR controller. | Use Scenario: High-reliability display subsystems in MRI/PET consoles requiring guaranteed data retention and EMI resilience. IC Role / Device Role / Timing Role: Dual-rank memory module component with synchronous ODT and write leveling for deterministic timing closure. Use Value: Asynchronous RESET# enables fail-safe reinitialization after power anomaly; RoHS-compliant lead-free packaging meets IEC 60601-1 safety standards. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar DDR3 SDRAM applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MT41K256M8DA-125:A | 2 Gb x8 DDR3L (1.35 V), -125 speed grade (DDR3L-1600), 96-ball FBGA | Lower voltage operation; not pin-compatible with W632GG8NB-15 TR's 78-ball layout or 1.5 V requirement | Select for battery-powered or thermally constrained designs where DDR3L voltage savings outweigh layout redesign effort. |
| IS43TR16256B-15KBL | 2 Gb x16 DDR3, -15K speed grade (DDR3-1333), 96-ball FBGA, different bank architecture (4 banks) | Wider 16-bit bus; incompatible pinout and command timing - requires controller reconfiguration and PCB revision | Choose only if system demands x16 interface width and can accommodate larger package and revised memory controller firmware. |
Compared with MT41K256M8DA-125:A and IS43TR16256B-15KBL, W632GG8NB-15 TR offers direct compatibility with legacy 1.5 V DDR3 controllers, exact 78-ball VFBGA footprint, and identical 8-bank organization - minimizing redesign risk in cost-sensitive industrial upgrades.
Availability
W632GG8NB-15 TR is available at Aetrix Electronics and suitable for industrial HMI panels, network edge routers, and embedded vision systems requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for W632GG8NB-15 TR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Winbond Electronics is a Taiwan-based semiconductor company specializing in specialty memory solutions, including NOR/NAND Flash, SRAM, and DRAM products for industrial, automotive, and communications markets.
The W632GG8NB series belongs to Winbond's industrial-grade DDR3 SDRAM product line, designed specifically for applications demanding extended temperature operation, long-term supply stability, and JEDEC-compliant reliability in harsh environments.
FAQ
What is the maximum clock frequency supported by W632GG8NB-15 TR?
W632GG8NB-15 TR supports a maximum clock frequency of 667 MHz (1333 MT/s), corresponding to DDR3-1333 speed bin with 9-9-9 timing (tCK = 1.5 ns minimum). This is confirmed in Section 4 KEY PARAMETERS and Section 1. GENERAL DESCRIPTION of the datasheet, where the -15 speed grade is explicitly defined for DDR3-1333 operation under 0°C to 95°C case temperature conditions.
Does W632GG8NB-15 TR support on-die termination (ODT)?
Yes, W632GG8NB-15 TR supports programmable on-die termination (ODT) for DQ, DQS/DQS#, and DM signals. Per Section 2 FEATURES and Section 9.19, ODT values (Rtt_NOM and Rtt_WR) are configurable via Mode Registers MR1 and MR2, with supported impedances of 60 Ω, 120 Ω, and 40 Ω - eliminating need for external termination resistors.
What package type and ball count does W632GG8NB-15 TR use?
W632GG8NB-15 TR uses a VFBGA78 package: 78-ball Very-thin Fine-pitch Ball Grid Array measuring 8 mm × 10.5 mm with 1.0 mm thickness and 0.8 mm ball pitch. This is specified in Section 2 FEATURES and Section 12 PACKAGE SPECIFICATION, and confirmed by the ball configuration table in Section 6.
Can W632GG8NB-15 TR operate in extended temperature ranges beyond 95°C?
No - W632GG8NB-15 TR is rated for 0°C ≤ TCASE ≤ 95°C only. The -15 suffix denotes commercial/industrial grade with no extended temperature capability. For operation up to 105°C, the W632GG8NB15J variant (with -15J suffix) must be used, as documented in Section 3 ORDER INFORMATION and Section 4 KEY PARAMETERS Notes.
How is write leveling implemented on W632GG8NB-15 TR?
W632GG8NB-15 TR implements write leveling via its Multi-Purpose Register (MPR) and dedicated write leveling mode (Section 9.9). The memory controller asserts MRS commands to enter write leveling mode, then adjusts DQS delay until the DRAM echoes back a known MPR pattern - enabling precise DQS-to-CK skew calibration without external test equipment.
W632GG8NB-15 TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- -
- Package/Case:
- 78-VFBGA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Last Time Buy
- Programmable:
- Not Verified
- Memory Type:
- Volatile
- Memory Format:
- DRAM
- Technology:
- SDRAM - DDR3
- Memory Size:
- 2Gbit
- Memory Organization:
- 256M x 8
- Memory Interface:
- SSTL_15
- Clock Frequency:
- 667 MHz
- Write Cycle Time - Word, Page:
- 15ns
- Access Time:
- 20 ns
- Voltage - Supply:
- 1.425V ~ 1.575V
- Operating Temperature:
- 0°C ~ 95°C (TC)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 78-VFBGA (8x10.5)
W632GG8NB-15 TR FAQ
1.How can I place an order for W632GG8NB-15 TR through Aetrix?
Please submit a Request for Quotation (RFQ) for W632GG8NB-15 TR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for W632GG8NB-15 TR reliable?
The price and inventory of W632GG8NB-15 TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W632GG8NB-15 TR is usually 5 days.
3.What payment methods are accepted for W632GG8NB-15 TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W632GG8NB-15 TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W632GG8NB-15 TR?
W632GG8NB-15 TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W632GG8NB-15 TR order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for W632GG8NB-15 TR?
For technical support, including W632GG8NB-15 TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W632GG8NB-15 TR requirements.
6.How does Aetrix verify that W632GG8NB-15 TR is sourced from the original manufacturer or authorized distributors?
All W632GG8NB-15 TR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that W632GG8NB-15 TR meets industry standards.
7.What is the process for return or replacement of W632GG8NB-15 TR?
All W632GG8NB-15 TR units undergo pre-shipment inspection (PSI). If there is an issue with W632GG8NB-15 TR, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The W632GG8NB-15 TR part is unused and in its original packaging.
Return procedure for W632GG8NB-15 TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
W632GG8NB-15 TR Tags

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M24C02-WMN6TP
STMicroelectronics
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AT24C02C-XHM-T
Microchip Technology

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AT21CS01-STUM10-T
Microchip Technology

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Microchip Technology

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Microchip Technology
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STMicroelectronics

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Microchip Technology

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Microchip Technology

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Microchip Technology

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Microchip Technology

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Microchip Technology

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AT24C08C-STUM-T
Microchip Technology
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