W35T51NWTBIF

OCTAL FLASH, 1.8V, 512M-BIT
Part Description

OCTAL FLASH, 1.8V, 512M-BIT

Quantity 463 Available (as of May 5, 2026)
Product CategoryMemory
ManufacturerWinbond Electronics
Manufacturing StatusActive
Manufacturer Standard Lead Time24 Weeks
Datasheet

Specifications & Environmental

Device Package24-TFBGA (8x6)Memory FormatFLASHTechnologyFLASH - NAND (SLC)
Memory Size512 MbitAccess Time5 nsGradeIndustrial
Clock Frequency200 MHzVoltage1.65V ~ 2VMemory TypeNon-Volatile
Operating Temperature-40°C ~ 85°C (TA)Write Cycle Time Word Page1.5 msPackaging24-TBGA
Mounting MethodNon-VolatileMemory InterfaceSPI - Octal I/OMemory Organization64M x 8
Moisture Sensitivity LevelN/ARoHS ComplianceROHS3 CompliantREACH ComplianceREACH Unknown
QualificationN/AECCNN/AHTS CodeN/A

Overview of W35T51NWTBIF – OCTAL FLASH, 1.8V, 512M-BIT

The W35T51NWTBIF is a 512 Mbit octal flash memory device from Winbond Electronics designed for high-density, non-volatile storage. It implements an Octal I/O SPI interface with byte-wide DDR operation and on-die ECC for data integrity.

This device targets embedded systems and designs that require high-speed serial flash access and robust data protection. Its low-voltage 1.8V operation, compact 24-TFBGA (8×6 mm) package, and supported features such as Execute-in-Place (XIP), CRC, and interface recovery make it suitable for applications requiring reliable, high-throughput external memory.

Key Features

  • Memory & Capacity — 512 Mbit organized as 64M × 8 in SLC NAND flash technology, providing large non-volatile storage in a single device.
  • Interface & Performance — Octal SPI (OSPI) I/O with Octal DDR support and a clock frequency up to 200 MHz; byte-wide DDR flash memory architecture and 5 ns access time for high-throughput serial access.
  • Data Integrity — On-die Error Code Correction (ECC) plus CRC support, including CRC-at-rest and CRC-in-transit modes, to detect and correct errors and verify data integrity.
  • Functional Modes — Supports Execute-in-Place (XIP) mode and multiple SPI command sets (Standard SPI, Octal SPI, DDR OSPI), enabling direct code execution and flexible host interfaces.
  • Power & Voltage — Low-voltage operation with a supply range of 1.65 V to 2.0 V, enabling integration in 1.8V system designs.
  • Reliability & Recovery — Fail/Safe power-up detection and interface recovery mechanisms along with device registers for configuration and status monitoring.
  • Program/Erase Characteristics — Typical word/page write cycle time of 1.5 ms and standard flash program/erase control via status and flag registers.
  • Package & Temperature — 24-ball TFBGA (8×6 mm, 5×5 ball array) package; specified operating temperature range −40 °C to +85 °C.

Typical Applications

  • Code Storage and XIP — Use for firmware and executable code storage where Execute-in-Place (XIP) reduces external memory copy requirements.
  • High‑Bandwidth Serial Flash — Systems requiring fast SPI throughput via Octal DDR and byte-wide DDR access for rapid program or read operations.
  • Data Integrity‑Sensitive Designs — Applications that benefit from on-die ECC and CRC verification to maintain data reliability during storage and transfer.
  • Low‑Voltage Embedded Systems — Designs operating at 1.8V that require compact, high-density non-volatile memory in a small BGA footprint.

Unique Advantages

  • Octal DDR Interface: Enables higher serial throughput compared to standard SPI by using eight I/O lines and DDR operation for faster data transfer.
  • Built‑in ECC and CRC: On‑die error correction and cyclic redundancy checks provide automated data integrity mechanisms without host-side overhead.
  • Compact High Density: 512 Mbit capacity in a 24‑TFBGA package saves board area while delivering substantial non‑volatile storage.
  • Low‑Voltage Operation: 1.65 V–2.0 V supply range allows direct integration with 1.8V system rails for simpler power design.
  • Execute‑in‑Place (XIP) Support: Allows direct execution from flash, reducing RAM footprint and simplifying firmware architecture for embedded systems.
  • Robust Interface Recovery: Fail/safe power‑up detection and recovery features help restore interface operation after abnormal power events.

Why Choose OCTAL FLASH, 1.8V, 512M-BIT?

The W35T51NWTBIF positions itself as a high-density, low-voltage octal flash device that combines fast Octal DDR connectivity with on-die ECC and CRC for enhanced data reliability. Its feature set, including XIP support and interface recovery capabilities, aligns with designs that need compact, high-throughput non-volatile memory with integrated integrity checks.

This device is suitable for engineers and procurement teams specifying external flash for embedded systems that demand a balance of performance, data protection, and small package footprint. The 24-TFBGA package and defined operating range support deployment across a range of temperature environments where 1.8V memory is required.

Request a quote or submit a sales inquiry to evaluate W35T51NWTBIF for your next design and receive pricing and availability information tailored to your BOM and volume needs.

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