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Microchip Technology SST39VF3201C-70-4I-B3KE
- Part No.:
- SST39VF3201C-70-4I-B3KE
- Manufacturer:
- Microchip Technology
- Category:
- Memory
- Package:
- 48-TFBGA
- Datasheet:
-
SST39VF3201C-70-4I-B3KE.pdf
- Description:
- IC FLASH 32MBIT PARALLEL 48TFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:5,645
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Product details
Overview
SST39VF3201C from Microchip Technology is a 32-Mbit (2M × 16) CMOS Multi-Purpose Flash Plus (MPF+) memory IC with bottom-block hardware write protection, 70 ns read access time, and single 2.7V–3.6V supply operation. It delivers 100,000 program/erase cycles endurance and >100 years data retention, used in embedded boot code storage for industrial controllers and communication modules.
For engineers reviewing the SST39VF3201C datasheet, SST39VF3201C pinout, SST39VF3201C application, or SST39VF3201C equivalent, key selection criteria include bottom-boot block protection (000000H–001FFFH), uniform 2 KWord sector erase, JEDEC-compliant x16 interface timing, and RY/BY# status signaling for real-time erase/program monitoring.
Technical Context
The SST39VF3201C implements SuperFlash® split-gate cell technology with thick-oxide tunneling injector, enabling fixed erase/program times independent of cycle count. Its control logic supports software data protection via six-byte command sequences for sector/block/chip erase and three-byte sequences for word programming.
Hardware protection includes dedicated WP# pin for bottom two 4-KWord boot blocks (000000H–001FFFH), RST# for hardware reset to read mode, and open-drain RY/BY# output requiring external pull-up for ready/busy indication during nonvolatile operations.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Organization | 2M × 16 (32 Mbit), x16 parallel interface with JEDEC-standard pinout |
| Read Access Time | 70 ns - determines minimum bus cycle time for CPU read operations |
| Supply Voltage | 2.7V–3.6V - enables direct interfacing with 3.3V logic without level shifters |
| Endurance | 100,000 cycles - supports field firmware updates over product lifetime |
| Data Retention | >100 years - ensures long-term reliability in unpowered storage applications |
| Erase Architecture | Uniform 2 KWord sectors + flexible 4/32 KWord blocks - allows granular firmware partitioning |
| Write Protection | Bottom two 4-KWord blocks (000000H–001FFFH) - safeguards boot loader region |
Pinout & Package
Package: 48-lead TSOP (12 mm × 20 mm) and 48-ball TFBGA (6 mm × 8 mm). Both packages conform to JEDEC standard x16 flash pin assignments.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0–A20 | Address Inputs | A0–A19 select 2M words; A20 (AMS) enables full address decoding for sector/block erase |
| DQ0–DQ15 | Data I/O | x16 bidirectional bus with internal latching; tri-state when CE# or OE# high |
| CE# | Chip Enable | Active-low chip select - device enters standby (4 µA) when high |
| OE# | Output Enable | Active-low output gate - controls data bus drive during read cycles |
| WE# | Write Enable | Controls latching of address/data and initiates internal program/erase timing |
| WP# | Write-Protect | Grounded to lock bottom boot blocks (000000H–001FFFH); internally pulled up if floating |
| RST# | Reset | Hardware abort of ongoing erase/program; forces return to read mode within TRP |
| RY/BY# | Ready/Busy# | Open-drain status signal - low during erase/program, requires 10 kΩ–100 kΩ pull-up |
| VDD | Power Supply | 2.7V–3.6V core and I/O supply - no separate VCCIO required |
| VSS | Ground | Common reference for all signals and power domains |
| NC | No Connection | Unbonded pins - must remain unconnected per package design |
Key Features
| Feature | Design Value |
|---|---|
| Auto Low-Power Mode | Reduces active read current from 6 mA to 4 µA after valid read access - cuts dynamic power in burst-read scenarios |
| Erase-Suspend/Resume | Pauses ongoing sector/block erase to allow reads or programming elsewhere - enables real-time firmware patching |
| Security ID Space | 128-bit factory-programmed + 128-word user-programmable ID - supports secure device authentication and traceability |
| CFI Support | Standard Common Flash Interface query mode - enables automatic driver configuration in OS/bootloader environments |
| Toggle Bit & Data# Polling | DQ6/DQ7 status detection - eliminates need for fixed delay loops during write completion polling |
Applications
| Industrial PLC Firmware Storage | Telecom Baseband Boot Memory |
|---|---|
Use Scenario: Storing boot loader and FPGA configuration bitstreams in programmable logic controllers operating in harsh temperature environments. IC Role / Device Role / Timing Role: Nonvolatile boot code storage with bottom-block protection preventing accidental overwrite of critical startup routines. Use Value: 70 ns access time meets tight timing budgets of ARM Cortex-M4-based control CPUs; >100-year retention ensures firmware integrity across 15+ year deployments. | Use Scenario: Holding baseband processor firmware in 4G/LTE small cell radios requiring field-upgradable modem stacks. IC Role / Device Role / Timing Role: x16 parallel flash memory mapped into processor address space for fast execution-in-place (XIP) of initialization code. Use Value: Uniform 2 KWord sector erase enables atomic firmware updates without disrupting active radio operation via erase-suspend capability. |
| Medical Imaging System Configuration | Automotive Infotainment Head Unit |
Use Scenario: Storing calibration tables and safety-critical diagnostic parameters in MRI and CT scanner subsystems. IC Role / Device Role / Timing Role: Secure parameter storage with hardware WP#-enabled bottom-block lock and 128-bit factory Security ID for regulatory audit trails. Use Value: 100,000-cycle endurance supports repeated recalibration cycles; RoHS-compliant TSOP package meets medical EMC requirements. | Use Scenario: Hosting infotainment OS kernel and UI assets in automotive head units with over-the-air (OTA) update capability. IC Role / Device Role / Timing Role: Primary boot flash with CFI support enabling bootloader auto-detection of memory geometry and command set. Use Value: Block-erase flexibility (4/32 KWord) allows efficient OTA differential updates; 2.7V–3.6V operation tolerates automotive battery voltage transients. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar flash memory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SST39VF3202C | Top-block hardware protection (1FE000H–1FFFFFH) instead of bottom-block; identical timing, endurance, and package options | Used where boot code resides in top memory region; not interchangeable without PCB layout or firmware address map changes | Select SST39VF3202C only when top-boot architecture aligns with system memory map |
| MX29LV320ETTI-70G | 32-Mbit x16 flash with 70 ns access, but uses different command set (no CFI), lacks Security ID, and has 10,000-cycle endurance | Suitable for cost-sensitive consumer electronics where security and long-term field updates are not required | Choose MX29LV320ETTI-70G only for legacy designs already using Macronix command protocol and lower endurance tolerance |
Compared with SST39VF3202C, the SST39VF3201C provides bottom-boot protection essential for systems storing boot code at lowest addresses; versus MX29LV320ETTI-70G, it adds CFI support, 10× endurance, and hardware-enforced security ID - critical for industrial and automotive firmware integrity.
Availability
SST39VF3201C is available at Aetrix Electronics and suitable for industrial PLC firmware storage, telecom baseband boot memory, and medical imaging system configuration requiring stable component supply and long lifecycle support.
Supply support for SST39VF3201C 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
Microchip Technology is a leading provider of microcontrollers, analog components, and memory solutions, serving industrial, automotive, and communications markets with high-reliability silicon.
The SST39VF3201C belongs to Microchip's Multi-Purpose Flash Plus (MPF+) family, designed specifically for embedded systems requiring robust, low-voltage, field-upgradable nonvolatile storage with hardware-level data protection.
FAQ
What is the boot block protection scheme implemented in the SST39VF3201C?
The SST39VF3201C implements bottom-block hardware write protection on the lowest two 4-KWord blocks (000000H–001FFFH) via the WP# pin. When WP# is grounded, these boot sectors are locked against program and erase operations. This ensures critical boot code remains intact during field firmware updates. The SST39VF3201C datasheet confirms this behavior differs from the SST39VF3202C, which protects top blocks instead.
How does the SST39VF3201C indicate completion of an erase or program operation?
The SST39VF3201C provides three concurrent status mechanisms: RY/BY# pin (open-drain, requires external pull-up), Toggle Bit on DQ6 (toggles during operation, stops when complete), and Data# Polling on DQ7 (complements data during write, returns true data upon completion). These methods eliminate fixed delay loops and enable deterministic host software timing. All are documented in the SST39VF3201C datasheet Figures 8–10 and Table 3.
Does the SST39VF3201C support Common Flash Interface (CFI) queries?
Yes, the SST39VF3201C supports CFI Query mode via the standard three-byte command sequence (555H/AAH → 2AAH/55H → 555H/98H) or one-byte method (55H/98H). Once entered, CFI data (including device geometry, command set, and timing parameters) is readable at defined addresses per Table 8 of the SST39VF3201C datasheet. This enables automatic driver configuration in Linux MTD and U-Boot environments.
What is the purpose and structure of the Security ID feature in the SST39VF3201C?
The SST39VF3201C includes a 136-word Security ID space: 128 bits factory-programmed by Microchip and 128 words user-programmable. The user segment supports secure device authentication and traceability. Programming requires the Security ID Word-Program command (555H/AAH → 2AAH/55H → 555H/A5H), and locking is done via User Sec ID Program Lock-Out (555H/AAH → 2AAH/55H → 555H/85H). Neither segment can be erased, as specified in the SST39VF3201C datasheet page 10.
Can the SST39VF3201C operate reliably across automotive temperature ranges?
The SST39VF3201C is rated for industrial temperature range (–40°C to +85°C), not extended automotive (–40°C to +125°C). While its 2.7V–3.6V supply and >100-year data retention meet many automotive subsystem requirements, qualification for under-hood applications requires additional thermal validation. The "I" suffix in SST39VF3201C-70-4I-B3KE denotes industrial grade; automotive-grade equivalents would carry different part numbering per Microchip's qualification standards.
SST39VF3201C-70-4I-B3KE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- SST39 MPF™
- Package/Case:
- 48-TFBGA
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Memory Type:
- Non-Volatile
- Memory Format:
- FLASH
- Technology:
- FLASH
- Memory Size:
- 32Mbit
- Memory Organization:
- 2M x 16
- Memory Interface:
- Parallel
- Clock Frequency:
- -
- Write Cycle Time - Word, Page:
- 10µs
- Access Time:
- 70 ns
- Voltage - Supply:
- 2.7V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 48-TFBGA (6x8)
SST39VF3201C-70-4I-B3KE FAQ
1.How can I place an order for SST39VF3201C-70-4I-B3KE through Aetrix?
Please submit a Request for Quotation (RFQ) for SST39VF3201C-70-4I-B3KE 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 SST39VF3201C-70-4I-B3KE reliable?
The price and inventory of SST39VF3201C-70-4I-B3KE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SST39VF3201C-70-4I-B3KE is usually 5 days.
3.What payment methods are accepted for SST39VF3201C-70-4I-B3KE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SST39VF3201C-70-4I-B3KE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SST39VF3201C-70-4I-B3KE?
SST39VF3201C-70-4I-B3KE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SST39VF3201C-70-4I-B3KE 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 SST39VF3201C-70-4I-B3KE?
For technical support, including SST39VF3201C-70-4I-B3KE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SST39VF3201C-70-4I-B3KE requirements.
6.How does Aetrix verify that SST39VF3201C-70-4I-B3KE is sourced from the original manufacturer or authorized distributors?
All SST39VF3201C-70-4I-B3KE 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 SST39VF3201C-70-4I-B3KE meets industry standards.
7.What is the process for return or replacement of SST39VF3201C-70-4I-B3KE?
All SST39VF3201C-70-4I-B3KE units undergo pre-shipment inspection (PSI). If there is an issue with SST39VF3201C-70-4I-B3KE, 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 SST39VF3201C-70-4I-B3KE part is unused and in its original packaging.
Return procedure for SST39VF3201C-70-4I-B3KE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SST39VF3201C-70-4I-B3KE Tags
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