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W25Q32JWSSIM

Name: W25Q32JWSSIM
Rating: 4.7 (12 reviews)

SPIFLASH, 1.8V, 32M-BIT, 4KB UNI

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製造商。部分 #W25Q32JWSSIM
包 8-SOIC (0.209, 5.30mm Width)
資料表 W25Q32JWSSIM DataSheet
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規格

Supplier	Winbond Electronics
Package	Tube
Series	SpiFlash®
ProductStatus	Active
MemoryType	Non-Volatile
MemoryFormat	FLASH
Technology	FLASH - NOR
MemorySize	32Mb (4M x 8)
MemoryInterface	SPI - Quad I/O, QPI, DTR
ClockFrequency	133 MHz
WriteCycleTime-WordPage	5ms
AccessTime	6 ns
Voltage-Supply	1.7V ~ 1.95V
OperatingTemperature	-40°C ~ 85°C (TA)
MountingType	Surface Mount
Package/Case	8-SOIC (0.209, 5.30mm Width)

概述

Description

W25Q32JWSSIM is a Winbond 32-Mbit serial flash memory (W25Q family) in an 8-pin package (SSIM variant). Key points:
- Capacity: 32 megabits (4 MB) of flash memory.
- Interface: SPI-compatible; commonly supports standard SPI and, on some variants, dual/quad I/O modes for higher throughput.
- Organization: memory organized in sectors/blocks with page-program capability.
- Operations: supports page program, sector/block/chip erase, read operations, and protective features (write protection, security registers), plus low-power/deep power-down modes.
- Voltage: typically operates around 2.7–3.6 V.
- Package: 8-pin, small-outline variant (SSIM) suitable for compact embedded designs.
- Applications: firmware storage, boot ROM, code/data logging in microcontroller-based systems.
Note: exact features (e.g., dual/quad modes) and packaging details can vary by specific revision; consult the latest datasheet for the W25Q32JWSSIM variant you have.

Features

Here are the typical features of Winbond W25Q32JWSSIM (32 Mbit serial NOR flash):
- Capacity: 32 Mbit (4 MB) serial NOR flash
- Voltage: 2.7 V to 3.6 V operation
- Interface: SPI with fast read up to 104 MHz; supports Dual I/O and Quad I/O read modes
- Addressing: 3-byte addressing (no 4-byte address required for this size)
- Organization: 256-byte pages; 4 KB sectors; 64 KB blocks; Chip erase option
- Endurance/Retention: ~100k P/E cycles; data retention typically ~20 years
- Power: Deep power-down and low‑power standby modes
- Security and protection: hardware write protection (WP#), block protection, OTP region, and top/bottom protection options
- Status/Control: status register with WIP bit; supports suspend/resume of program/erase operations; reset capability
- Packaging: 8-pin serial package (JW series, SSIM variant)
This summary covers capability and modes you’d typically use for firmware storage and boot/logo updates. Refer to the exact datasheet for timing numbers and mode support details.

Package

8-pin SOP (SOIC) package.

Pinout

- Pin count: 8 pins (SOIC-8/SOP-8).
- Function: 32-Mbit serial NOR flash memory with SPI interface (Winbond W25Q32JWSSIM), used for non-volatile storage of firmware/data. Pins provide CS, CLK, MOSI, MISO, WP#, HOLD#, plus VCC and GND.

Manufacturer

Manufacturer: Winbond Electronics Corporation (Winbond).
What kind of company: A Taiwan-based semiconductor company that designs and manufactures memory ICs, notably serial NOR/NAND flash memory, serving embedded and electronics markets as a global memory supplier.

Application

W25Q32JWSSIM is a 32-Mbit SPI flash memory used in embedded systems. Common applications:
- Firmware storage/update for microcontrollers/SoCs
- Non-volatile storage for configuration, calibration, and logs
- Storage for graphics assets (fonts, icons) and small media
- Bootloader/recovery images and parameter storage in consumer electronics, IoT, routers
- External code shadowing and data buffering in industrial/automotive devices

Equivalent

32-Mbit SPI NOR flash equivalents (Quad I/O, 3V):
- Gigadevice: GD25Q32C/CSIG
- Macronix: MX25L3206E (or MX25L3206F)
- ISSI: IS25LP032D
- Spansion/Cypress: S25FL032P
Note: Within Winbond, W25Q32JV/JW variants are direct cross-references if packaging/timing match.