Winbond W25Q256JW (WSON-8)
1.8V 256M-bit (32M-byte) Serial NOR Flash memory with Dual/Quad SPI in 8-pad WSON package (6x5mm / 8x6mm). Standard IQ series with factory-fixed Quad Enable (QE=1) and JEDEC ID 6019h.
Aliase:W25Q256JW, W25Q256JWP, W25Q256JWE, W25Q256JWPIQ, W25Q256JWEIQ, 25Q256JWPQ, 25Q256JWEQ, SPI Flash, 32MB Flash, 1.8V Flash
WSON-8 Top View
8 Pins
Pinout Table8
| Pin | Signal / Name | Type | Alternative Functions |
|---|---|---|---|
| 1 | /CS | Digital | Chip Select Input (Active-Low, initiates SPI communication) |
| 2 | DO (IO1) | Digital | Data Output / MISO (Standard SPI)IO1 (Dual/Quad SPI Bidirectional Data Line 1) |
| 3 | /WP (IO2) | Digital | Write Protect Input (Active-Low, hardware status register write protection)IO2 (Quad SPI Bidirectional Data Line 2) |
| 4 | GND | Ground | 0V System Ground |
| 5 | DI (IO0) | Digital | Data Input / MOSI (Standard SPI)IO0 (Dual/Quad SPI Bidirectional Data Line 0) |
| 6 | CLK | Digital | Serial Clock Input (up to 133 MHz) |
| 7 | IO3 | Digital | IO3 (Quad SPI Bidirectional Data Line 3, QE=1 fixed) |
| 8 | VCC | Power | +1.7V to +1.95V Power Supply |