Product Summary

The M27C256B-12F1 is a 56 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. For applications where the content is programmed only one time and erasure is not required, the M27C256B-12F1 is offered in PDIP28 and PLCC32 packages.

Parametrics

M27C256B-12F1 absolute maximum 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-12F1 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; (7)ECOPACK packages available.

Diagrams

M27C256B-12F1 logic diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
M27C256B-12F1
M27C256B-12F1

STMicroelectronics

EPROM 256K (32KX8) 120ns

Data Sheet

Negotiable 
Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
M27C1001-10B1
M27C1001-10B1

STMicroelectronics

EPROM 1M (128Kx8) 100ns

Data Sheet

Negotiable 
M27C1001-10C1
M27C1001-10C1

STMicroelectronics

EPROM 1M (128Kx8) 100ns

Data Sheet

Negotiable 
M27C1001-10C6
M27C1001-10C6

STMicroelectronics

EPROM OTP 1Mx8

Data Sheet

Negotiable 
M27C1001-10F1
M27C1001-10F1

STMicroelectronics

EPROM 1M (128Kx8) 100ns

Data Sheet

Negotiable 
M27C1001-12B1
M27C1001-12B1

STMicroelectronics

EPROM 1M (128Kx8) 120ns

Data Sheet

Negotiable 
M27C1001-12C1
M27C1001-12C1

STMicroelectronics

EPROM 1M (128Kx8) 120ns

Data Sheet

Negotiable