Winbond W25Q256JWF (SOIC-16)
1.8V 256M-bit (32M-byte) Serial NOR Flash memory with Dual/Quad SPI in 16-pin SOIC 300-mil package. Standard IQ series with factory-fixed Quad Enable (QE=1), dedicated hardware /RESET input (Pin 3), and JEDEC ID 6019h.
Aliase:W25Q256JW, W25Q256JWF, W25Q256JWFIQ, 25Q256JWFQ, SOIC-16 Flash, 1.8V 32MB Flash
SOIC-16 (300-mil) Top View
16 Pins
Pinout Table16
| Pin | Signal / Name | Type | Alternative Functions |
|---|---|---|---|
| 1 | IO3 | Digital | IO3 (Quad SPI Bidirectional Data Line 3, QE=1 fixed) |
| 2 | VCC | Power | +1.7V to +1.95V Power Supply |
| 3 | /RESET | Digital | Dedicated Hardware Reset Input (Active-Low, terminates internal operations) |
| 4 | NC | NC | No Internal Connection |
| 5 | NC | NC | No Internal Connection |
| 6 | NC | NC | No Internal Connection |
| 7 | /CS | Digital | Chip Select Input (Active-Low, initiates SPI communication) |
| 8 | DO (IO1) | Digital | Data Output / MISO (Standard SPI)IO1 (Dual/Quad SPI Bidirectional Data Line 1) |
| 9 | /WP (IO2) | Digital | Write Protect Input (Active-Low, hardware status register write protection)IO2 (Quad SPI Bidirectional Data Line 2) |
| 10 | GND | Ground | 0V System Ground |
| 11 | NC | NC | No Internal Connection |
| 12 | NC | NC | No Internal Connection |
| 13 | NC | NC | No Internal Connection |
| 14 | NC | NC | No Internal Connection |
| 15 | DI (IO0) | Digital | Data Input / MOSI (Standard SPI)IO0 (Dual/Quad SPI Bidirectional Data Line 0) |
| 16 | CLK | Digital | Serial Clock Input (up to 133 MHz) |