Chip2016Winbond Electronics

Winbond W25Q256JWF-IM (SOIC-16)

1.8V 256M-bit (32M-byte) Serial NOR Flash memory in 16-pin SOIC 300-mil. IM variant with programmable QE=0, /HOLD or /RESET on Pin 1, dedicated hardware /RESET on Pin 3, and JEDEC Device ID 8019h.

Aliase:W25Q256JW-IM, W25Q256JWFIM, 25Q256JWFM, SOIC-16 Flash 8019h, 1.8V 32MB Flash

SOIC-16 (300-mil) Top View

16 Pins
WinbondWinbond ElectronicsDIP-161/HOLD or /RESET (IO3)2VCC3/RESET4NC5NC6NC7/CS8DO (IO1)16CLK15DI (IO0)14NC13NC12NC11NC10GND9/WP (IO2)pinoutdb.org
Pinout Table16
PinSignal / NameTypeAlternative Functions
1/HOLD or /RESET (IO3)Digital
Hold or Reset Input (Active-Low, for Standard/Dual SPI with QE=0)IO3 (Quad SPI Bidirectional Data Line 3 when QE=1)
2VCCPower
+1.7V to +1.95V Power Supply
3/RESETDigital
Dedicated Hardware Reset Input (Active-Low, terminates internal operations)
4NCNC
No Internal Connection
5NCNC
No Internal Connection
6NCNC
No Internal Connection
7/CSDigital
Chip Select Input (Active-Low, initiates SPI communication)
8DO (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)
10GNDGround
0V System Ground
11NCNC
No Internal Connection
12NCNC
No Internal Connection
13NCNC
No Internal Connection
14NCNC
No Internal Connection
15DI (IO0)Digital
Data Input / MOSI (Standard SPI)IO0 (Dual/Quad SPI Bidirectional Data Line 0)
16CLKDigital
Serial Clock Input (up to 133 MHz)