Description
W27SF256-70 (is rebranded as SST27SF256-70) – a 32K x 8 CMOS, Multi-Purpose Flash eeprom
If you also need programming service: https://www.heinpragt.nl/?product=eeprom-programming
I received a tube and it had bad device codes, so I checked the codes and the chips were fully functional W27SF256 chips.
