Part Number : M27C4002
Function : 4 MBIT (256KB X16) UV EPROM AND OTP ROM
Package : DIP, TSOP 40 Pin type, PLCC 44 Pin Type
Maker : STMicroelectronics
Pinouts : 
Feature summary
1. 5V ± 10% Supply voltage for Read operations
2. Access time: 45ns
3. Low Power consumption
(1) Active Current 70mA at 10MHz
(2) Standby current 100µa
4. Programming Voltage: 12.75V ± 0.25V
5. Programming Time: 100µs/word
6. Electronic Signature
(1) Manufacturer Code: 20h
(2) Device Code: 44h
7. ECOPACK packages available
Datasheet PDF Download : 
Others datasheet of same file :
27C4002, M27C4002-10XC1TR, M27C4002-15XC1TR,
M27C4002-45XC1TR, M27C4002-60XC1TR
