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M27C256B-12F1 Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
M27C256B-12F1ST251Yes

M27C256B-12F1** is a 256 Kbit (32K x 8) UV erasable and electrically programmable read-only memory (EPROM) manufactured by **STMicroelectronics**.

The M27C256B-12F1 is a 256 Kbit (32K x 8) UV erasable and electrically programmable read-only memory (EPROM) manufactured by STMicroelectronics.

Key Specifications:

  • Memory Size: 256 Kbit (32K x 8)
  • Access Time: 120 ns
  • Supply Voltage: 5V ±10%
  • Operating Temperature Range: 0°C to +70°C
  • Package: 28-lead Ceramic DIP (Dual In-line Package)
  • UV Erasable: Requires exposure to UV light for data erasure
  • Programming Voltage (VPP): 12.5V
  • Power Consumption:
  • Active: 30 mA (typical)
  • Standby: 100 µA (typical)

Features:

  • High-Speed Access Time: 120 ns
  • Low Power Consumption: CMOS technology for reduced power usage
  • Reliable Data Retention: 10 years minimum
  • Compatible with Industry Standards: Pin-compatible with other 256 Kbit EPROMs
  • Programming Method: Byte-by-byte programming with 12.5V VPP

Applications:

  • Embedded systems
  • Firmware storage
  • Legacy computing and industrial control systems

This device is designed for applications requiring non-volatile memory with the ability to be reprogrammed after UV erasure.

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