25X10CLYA1

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The Winbond 25X10CLYA1 is a 1 Mbit Serial Flash present on some PS4 motherboard.

It is used as an alternative for the Macronix MX25L1006E.

  • 3V 1M-BIT [x 1/x 2] CMOS SERIAL FLASH MEMORY WITH 4KB SECTORS AND DUAL I/O SPI

Datasheet:

Current photos are a but too grainy, but there are two 25X10CLYA1 chips on the ?SAA-001 or SAB-001? motherboard. One near the SATA connector on the back of the board (colored blue @ ifixit) and one near the front USB ports.

Dumps[edit | edit source]

Pinout[edit | edit source]

25X10CLYA1 Pinout
Pin 1x I/O 2x I/O Description
1 CS# CS# Chip Select
2 SO SIO1 Serial Data Output (for 1 x I/O) or Serial Data Input & Output (for 2x I/O)
3 WP# WP# Write Protection: connect to GND
4 GND GND Ground
5 SI SIO0 Serial Data Input (for 1 x I/O) or Serial Data Input & Output (for 2x I/O)
6 SCLK SCLK Clock Input
7 HOLD# HOLD# Hold, to pause the device without deselecting the device
8 VCC VCCS +3V DC Power Supply

Spare parts[edit | edit source]

See spare parts of the equivalent MX25L1006E chip.