M28V430-120N1
Flash Electrically-Erasable PROM (EEPROM) - 256kX16 or 512kx8

From STMicroelectronics

Bits Per Word8
MilitaryN
Nom. Supp (V)3.3
Number of Chip Selects1
Number of Words512k
Output Config3-State
PackageTSSOP
Pins48
Program Voltage (V)12
TechnologyCMOS
t(a) Max. (s) Access Time120n

External links