Part Number : M28C64-WBS
Function : 64K (8K X 8) PARALLEL EEPROM WITH SOFTWARE DATA PROTECTION
Pacakge : DIP, SOP 28 Pin type
Maker : STMicroelectronics
Pinouts : 
Description :
The M28C64 and M28C64-Ware 8K x 8 low power Parallel EEPROM fabricated with SGS-THOMSON proprietary single polysilicon CMOS technology.
Features
1. FAST ACCESS TIME:
– 90ns at 5V
– 120ns at 3V
2. SINGLE SUPPLY VOLTAGE:
–5V±10% for M28C64
– 2.7V to 3.6V for M28C64-xxW
3. LOW POWER CONSUMPTION
4. FAST WRITE CYCLE:
– 64 Bytes Page Write Operation
– Byte or Page Write Cycle: 3ms Max
5. ENHANCED END OF WRITE DETECTION:
– Ready/Busy Open Drain Output
– Data Polling
–ToggleBit
Datasheet PDF Download : 
Others datasheet of same file :
M28C64-12WBS6T, M28C64-12WMS6T, M28C64-20WBS6T,
M28C64-20WMS6T, M28C64-25WBS6T
