Product Summary

The M27C256B-12C1 is a 256 Kbit EPROM offered in the two ranges UV (ultra violet erase) and OTP(one time programmable). It is ideally suited for microprocessor systems and is organized as 32,768 by 8 bits.

Parametrics

M27C256B-12C1 absolute maxing ratings: (1)TA Ambient Operating Temperature: –40 to 125 ℃; (2)TBIAS Temperature Under Bias: –50 to 125 ℃; (3)TSTG Storage Temperature: –65 to 150 ℃; (4)VIO Input or Output Voltage (except A9): –2 to 7 V; (5)VCC Supply Voltage: –2 to 7 V; (6)VA9 A9 Voltage: –2 to 13.5 V; (7)VPP Program Supply Voltage: –2 to 14 V.

Features

M27C256B-12C1 features: (1)5V±10% supply voltage in read operation; (2)Access time: 45ns; (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: 8Dh.

Diagrams

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
M27C256B-12C1
M27C256B-12C1

STMicroelectronics

EPROM 256K (32KX8) 120ns

Data Sheet

Negotiable 
M27C256B-12C1TR
M27C256B-12C1TR

STMicroelectronics

EPROM 256K (32KX8) 120ns

Data Sheet

Negotiable