W35T25NWSFIF

OCTAL FLASH, 1.8V, 256M-BIT
Part Description

OCTAL FLASH, 1.8V, 256M-BIT

Quantity 1,128 Available (as of May 5, 2026)
Product CategoryMemory
ManufacturerWinbond Electronics
Manufacturing StatusActive
Manufacturer Standard Lead Time24 Weeks
Datasheet

Specifications & Environmental

Device Package16-SOICMemory FormatFLASHTechnologyFLASH - NAND (SLC)
Memory Size256 MbitAccess Time4.5 nsGradeIndustrial
Clock Frequency200 MHzVoltage1.65V ~ 2VMemory TypeNon-Volatile
Operating Temperature-40°C ~ 85°C (TA)Write Cycle Time Word Page1.5 msPackaging16-SOIC (0.295", 7.50mm Width)
Mounting MethodNon-VolatileMemory InterfaceSPI - Octal I/OMemory Organization32M x 8
Moisture Sensitivity LevelN/ARoHS ComplianceROHS3 CompliantREACH ComplianceREACH Unknown
QualificationN/AECCNN/AHTS CodeN/A

Overview of W35T25NWSFIF – OCTAL FLASH, 1.8V, 256M-BIT

The W35T25NWSFIF is a 1.8V, 256‑Mbit Octal SPI flash memory in a byte‑wide DDR architecture. It delivers Octal‑DDR read modes with on‑die ECC, Execute‑in‑Place (XIP) support and comprehensive interface recovery features as documented in the device datasheet.

Designed for embedded systems requiring serial non‑volatile storage with high throughput and robust data integrity features, the device combines a compact 16‑SOIC package with low‑voltage operation and industry‑grade operating temperature range.

Key Features

  • Memory Type & Capacity  Non‑volatile NAND SLC flash organized as 32M × 8, total 256 Mbit.
  • Interface  SPI Octal I/O interface supporting Octal‑DDR (ODDR) and extended SPI command sets, including DDR OSPI and SDR modes.
  • On‑Die Data Integrity  Built‑in ECC operation and CRC support for data verification and in‑transit integrity checks.
  • Execute‑in‑Place (XIP)  XIP mode and related NVCR/VCR configuration options as described in the datasheet for code‑execute workflows.
  • Performance  200 MHz clock frequency and a 4.5 ns access time for high‑speed serial reads.
  • Program/Erase Timing  Typical write cycle time for a word/page is 1.5 ms.
  • Voltage & Power  Low‑voltage operation across 1.65 V to 2.0 V supply range.
  • Package & Thermal  16‑pin SOIC (0.295", 7.50 mm width) and specified operating temperature range of −40 °C to +85 °C.
  • System Signals  Rich pin set including /CS, CLK, IO0–IO7, DS, /WP, /RESET, /RSTO, /INT and /BUSY for control, status and recoverability.
  • Interface Resilience  Fail/safe power‑up detection and interface recovery sequences documented in the datasheet to aid robust system integration.

Typical Applications

  • Embedded firmware and code storage  XIP support and Octal‑DDR read modes enable code execution directly from serial flash in resource‑constrained systems.
  • High‑throughput serial storage  Octal I/O and 200 MHz clocking serve applications that require accelerated read bandwidth for data streaming or lookup tables.
  • Industrial and temperature‑sensitive equipment  Specified −40 °C to +85 °C operating range supports deployments across broad environmental conditions.

Unique Advantages

  • Octal‑DDR with ECC:  Combines an 8‑bit parallel serial I/O and DDR read capability with on‑die ECC for higher effective throughput and improved data reliability.
  • Low‑voltage operation:  1.65 V to 2.0 V supply compatibility allows integration into modern low‑voltage systems.
  • Compact SOIC package:  16‑pin SOIC (300‑mil) footprint simplifies placement in space‑constrained designs while retaining full signal access.
  • Fast access and high clock rate:  200 MHz clock and 4.5 ns access time minimize latency for read‑intensive applications.
  • Robust interface and recovery features:  Datasheet‑documented fail/safe power‑up detection, interface recovery and CRC modes help maintain data integrity after power events.

Why Choose W35T25NWSFIF?

The W35T25NWSFIF positions itself as a compact, low‑voltage octal flash memory optimized for designs that need high serial read performance, on‑die ECC and XIP capability. Its combination of Octal‑DDR interface, CRC/ECC support and detailed recovery mechanisms makes it suitable for embedded systems where throughput and data integrity are priorities.

Engineers implementing code‑execute workflows, firmware storage or other high‑speed serial flash uses will find the device’s documented command sets, configuration registers and signal set helpful for integration and long‑term system reliability.

Request a quote or submit an inquiry for pricing and availability to evaluate W35T25NWSFIF for your next design.

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