My Inquiry
My Account
Winbond Electronics Corporation W25Q512NWEIM TR
- Part No.:
- W25Q512NWEIM TR
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 8-WDFN Exposed Pad
- Datasheet:
-
W25Q512NWEIM TR.pdf
- Description:
- IC FLASH 512MBIT SPI/QUAD 8WSON
- Quantity:
- Payment:
- Shipping:
Inventory:2,739
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
W25Q512NWEIM TR from Winbond is a 1.8V, 512M-bit (64MB) serial NOR flash memory supporting Dual/Quad SPI, QPI, and DTR read modes. It features uniform 4KB sectors, 133MHz max clock frequency, 66MB/s continuous read throughput, and hardware write protection via /WP and /HOLD pins. It is used for code storage and XIP execution in space-constrained embedded systems such as industrial controllers and IoT edge nodes.
For engineers reviewing the W25Q512NWEIM TR datasheet, W25Q512NWEIM TR pinout, W25Q512NWEIM TR application, or W25Q512NWEIM TR equivalent, key selection criteria include 1.65–1.95V supply compatibility, 4-byte addressing support, Quad Enable (QE) bit configuration, and package-specific /RESET availability in SOIC/TFBGA/WLCSP variants.
Technical Context
The W25Q512NWEIM TR implements a flexible SPI-compatible interface with configurable I/O modes: standard single I/O, dual I/O (IO0/IO1), quad I/O (IO0–IO3), and QPI with Double Transfer Rate (DTR) timing. Its internal architecture supports 262,144 × 256-byte programmable pages, sector/block erase granularity (4KB/32KB/64KB), and erase/program suspend-resume functionality.
It integrates volatile and non-volatile status registers controlling Quad Enable (QE), address mode (ADS/ADP), output driver strength (DRV1/DRV0), and security lock bits (LB1–LB3, SFDP Lock). The /HOLD pin doubles as IO3 in quad mode, while /WP becomes IO2 when QE=1 - requiring careful pin mapping during layout.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 512 M-bit (64 MB), organized as 262,144 × 256-byte pages |
| Supply Voltage | 1.65 V to 1.95 V - enables low-power operation in battery-backed or energy-efficient systems |
| Max Clock Frequency | 133 MHz - delivers up to 532 MB/s effective bandwidth in Quad I/O DTR mode |
| Erase Granularity | Uniform 4KB sectors, 32KB blocks, 64KB blocks - supports fine-grained firmware partitioning |
| Endurance & Retention | 100,000 program/erase cycles; >20 years data retention at +85°C - suitable for field-updatable firmware |
| Operating Temperature | −40°C to +85°C - qualified for industrial-grade embedded applications |
| Interface Modes | Standard/Dual/Quad SPI, QPI, and DTR read - enables backward compatibility and performance scaling |
Pinout & Package
W25Q512NWEIM TR is packaged in an 8-pad WSON 8×6 mm (Package Code E), with exposed pad for thermal dissipation. Pin 1 is /CS; pins 2–3–5–7 are bidirectional I/Os (IO1, IO2, IO0, IO3); pin 4 is GND; pin 6 is CLK; pin 8 is VCC.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| /CS | Chip Select Input | Active-low enable: high = high-impedance DO/IOs and standby current (<1 µA) |
| DO (IO1) | Data Output / Bidirectional I/O | Serial data output in standard SPI; IO1 in dual/quad modes - requires QE=1 for quad use |
| /WP (IO2) | Write Protect Input / Bidirectional I/O | Hardware write protect when low; becomes IO2 in quad mode (QE=1), disabling protection |
| GND | Ground Reference | Primary return path for VCC and I/O signals - must be low-inductance connection |
| DI (IO0) | Data Input / Bidirectional I/O | Serial data input in standard SPI; IO0 in dual/quad modes - required for all instruction writes |
| CLK | Serial Clock Input | Edge-triggered master clock - rising edge for input, falling edge for output in all modes |
| /HOLD (IO3) | Hold Input / Bidirectional I/O | Pauses ongoing read/write without deselecting device; becomes IO3 in quad mode (QE=1) |
| VCC | Power Supply | 1.65–1.95 V core supply - decoupling capacitor (≥1 µF) required within 5 mm of pin |
Key Features
| Feature | Design Value |
|---|---|
| DTR Read Support | Enables double-data-rate sampling on CLK edges - increases effective throughput without raising clock frequency |
| 4-Byte Address Mode | Required for full 512M-bit access; configured via Enter/Exit 4-Byte Address instructions (B7h/E9h) |
| Erase/Program Suspend | Allows background operations (e.g., reading while erasing) - critical for real-time firmware updates |
| 64-Bit Unique ID | Factory-programmed per-device serial number - enables secure device authentication and inventory tracking |
| Security Registers | Three 256-byte OTP-locked registers - store cryptographic keys or calibration data with hardware-level protection |
| SFDP Register | JEDEC-standard discoverable parameter table - enables automatic driver configuration in boot ROM or UEFI |
Applications
| Industrial PLC Firmware Storage | Automotive ADAS Boot Image |
|---|---|
|
Use Scenario: Storing firmware images and configuration parameters in programmable logic controllers operating in harsh factory environments. IC Role / Device Role / Timing Role: Non-volatile code storage with XIP-capable Quad SPI interface for deterministic boot latency. Use Value: 4KB sector erase enables incremental firmware patching without full reflash; −40°C to +85°C rating ensures reliability across temperature swings. |
Use Scenario: Hosting boot code and sensor calibration data for radar and camera modules in advanced driver-assistance systems. IC Role / Device Role / Timing Role: High-reliability boot memory with DTR read mode to meet automotive boot time requirements under 100 ms. Use Value: 100K endurance and >20-year retention guarantee long-term field operation; SFDP enables auto-negotiated driver initialization. |
| Medical Edge Gateway Boot | Smart Meter Secure Parameter Storage |
|
Use Scenario: Storing certified bootloader and encrypted application partitions in HIPAA-compliant medical IoT gateways. IC Role / Device Role / Timing Role: Secure storage element with OTP-locked security registers for key management and tamper-resistant calibration data. Use Value: Three 256-byte security registers with individual lock bits prevent unauthorized overwrite; unique 64-bit ID enables device attestation. |
Use Scenario: Holding tariff tables, metering logs, and cryptographic keys in utility smart meters deployed in uncontrolled outdoor environments. IC Role / Device Role / Timing Role: Low-power, long-life data logger memory with hardware write protection against accidental corruption. Use Value: <0.3 µA power-down current extends battery life; top/bottom block protection isolates critical firmware from user-modifiable data regions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar serial NOR flash memory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MX25L51245GZC-10G | 3V supply (2.7–3.6V), no DTR support, 104MHz max clock, same 512M-bit density and SOIC/WSON packages | Lacks DTR and QPI modes - limits peak throughput to ~41.6 MB/s in Quad SPI; not suitable for bandwidth-critical XIP | Select when system uses 3V rails and does not require DTR timing or >104MHz operation |
| IS25LP512M-JBLE | 1.8V supply, supports DTR and QPI, but only 80MHz max clock; includes built-in ECC and sector lockdown | Lower max clock reduces sequential read bandwidth to ~320 MB/s; ECC adds overhead but improves reliability in radiation-prone environments | Select when error correction and enhanced security lockdown outweigh raw speed requirements |
Compared with W25Q512NWEIM TR, MX25L51245GZC-10G lacks DTR and operates at higher voltage, limiting its use in ultra-low-power 1.8V designs; IS25LP512M-JBLE offers ECC and lockdown but trades 33% lower clock rate for robustness - making W25Q512NWEIM TR optimal for high-throughput, cost-sensitive industrial firmware storage.
Availability
W25Q512NWEIM TR is available at Aetrix Electronics and suitable for industrial control systems, automotive infotainment head units, and medical edge devices requiring stable component supply, long-lifecycle support, and JEDEC-compliant serial flash interoperability.
Supply support for W25Q512NWEIM 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 SPI NOR/NAND flash, RAM, and mobile DRAM, serving industrial, automotive, and consumer markets since 1987.
The W25Q series targets high-performance, low-voltage embedded systems needing reliable code storage, XIP execution, and flexible security - designed specifically for firmware, boot, and parameter storage in resource-constrained platforms.
FAQ
What is the package type and footprint of W25Q512NWEIM TR?
W25Q512NWEIM TR uses an 8-pad WSON 8×6 mm package (Package Code E) with exposed thermal pad. Its footprint matches JEDEC MO-241AC standards, featuring /CS at Pin 1, VCC at Pin 8, GND at Pin 4, and bidirectional I/Os on Pins 2 (IO1), 3 (IO2), 5 (IO0), and 7 (IO3). This compact package supports automated placement and reflow soldering in high-density PCB layouts.
Does W25Q512NWEIM TR support 4-byte addressing, and how is it enabled?
Yes, W25Q512NWEIM TR fully supports 4-byte addressing to access its full 512M-bit capacity. It is enabled by issuing the Enter 4-Byte Address Mode instruction (B7h); the setting persists until Exit 4-Byte Address Mode (E9h) is executed or power is cycled. The ADP bit in Status Register-1 determines power-up default mode, and ADS reflects current active mode.
How does the Quad Enable (QE) bit affect pin functionality in W25Q512NWEIM TR?
In W25Q512NWEIM TR, the QE bit (bit 1 of Status Register-2) must be set to 1 to activate Quad SPI mode. When QE=1, the /WP pin becomes IO2 and /HOLD becomes IO3 - disabling hardware write protection and hold functions. This trade-off requires firmware to manage protection via status register bits (BPx, TB, CMP) instead of dedicated pins.
What is the role of the /RESET pin in W25Q512NWEIM TR, and is it present in this variant?
The /RESET pin provides hardware reset capability but is not present in the W25Q512NWEIM TR's WSON 8×6 mm package. It is only available on SOIC-16, TFBGA, and WLCSP variants. For W25Q512NWEIM TR, reset is performed via software command (66h + 99h) or power cycle - requiring careful sequencing in systems lacking dedicated reset control.
Can W25Q512NWEIM TR be used for Execute-in-Place (XIP) applications?
Yes, W25Q512NWEIM TR supports XIP via Dual and Quad SPI interfaces with fast read commands (e.g., 6Bh, 6Ch, EDh). Its 133MHz clock and DTR capability deliver up to 66MB/s sustained read throughput, enabling low-latency code execution directly from flash - commonly used in microcontroller bootloaders and RTOS kernel loading scenarios.
W25Q512NWEIM TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 8-WDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Memory Type:
- Non-Volatile
- Memory Format:
- FLASH
- Technology:
- FLASH - NOR
- Memory Size:
- 512Mbit
- Memory Organization:
- 64M x 8
- Memory Interface:
- SPI - Quad I/O, QPI, DTR
- Clock Frequency:
- 133 MHz
- Write Cycle Time - Word, Page:
- 3ms
- Access Time:
- 6 ns
- Voltage - Supply:
- 1.65V ~ 1.95V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-WSON (8x6)
W25Q512NWEIM TR FAQ
1.How can I place an order for W25Q512NWEIM TR through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q512NWEIM 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 W25Q512NWEIM TR reliable?
The price and inventory of W25Q512NWEIM TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q512NWEIM TR is usually 5 days.
3.What payment methods are accepted for W25Q512NWEIM TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q512NWEIM TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q512NWEIM TR?
W25Q512NWEIM TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q512NWEIM 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 W25Q512NWEIM TR?
For technical support, including W25Q512NWEIM TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q512NWEIM TR requirements.
6.How does Aetrix verify that W25Q512NWEIM TR is sourced from the original manufacturer or authorized distributors?
All W25Q512NWEIM 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 W25Q512NWEIM TR meets industry standards.
7.What is the process for return or replacement of W25Q512NWEIM TR?
All W25Q512NWEIM TR units undergo pre-shipment inspection (PSI). If there is an issue with W25Q512NWEIM 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 W25Q512NWEIM TR part is unused and in its original packaging.
Return procedure for W25Q512NWEIM TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
W25Q512NWEIM TR Tags
-
M24C02-WMN6TP
STMicroelectronics
-
AT24C02C-XHM-T
Microchip Technology
-
AT21CS01-STUM10-T
Microchip Technology
-
AT24C02C-SSHM-T
Microchip Technology
-
24LC01BT-I/OT
Microchip Technology
-
M24C02-FMC6TG
STMicroelectronics
-
AT24CS02-SSHM-T
Microchip Technology
-
93LC46BT-I/OT
Microchip Technology
-
AT24C04C-SSHM-T
Microchip Technology
-
24LC01BT-I/SN
Microchip Technology
-
24AA02UIDT-I/OT
Microchip Technology
-
AT24C08C-STUM-T
Microchip Technology
Tech Hub
Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
