Part Number : M27C4001
Function : 4 Mbit (512Kb x 8) UV EPROM and OTP EPROM
Package : DIP 32 Pin Type
Maker : STMicroelectronics
Pinouts : 
Description :
1. 5V ± 10% supply voltage in Read operation
2. Access time: 35ns
3. Low power consumption:
– Active Current 30mA at 5MHz
– Standby Current 100µA
4. Programming voltage: 12.75V ± 0.25V
5. Programming time: 100µs/Word
6. Electronic signature
– Manufacturer Code: 20h
– Device Code: 41h
7. Packages
– ECOPACK compliant versions
Datasheet PDF Download : 
Others datasheet of same file :
27C4001, M27C4001-90B1X, M27C4001-90B6X,
M27C4001-90C1X, M27C4001-90C6TR
