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27C64 - 64 Kbit 8Kb x 8 UV EPROM and OTP EPROM

General Description

The M27C64A is a 64Kbit EPROM offered in the two ranges UV (ultra violet erase) and OTP (one time programmable).

It is ideally suited for microprocessor systems requiring large programs and is organized as 8,192 by 8 bits.

Key Features

  • a 2 line control function which accommodates the use of multiple memory connection. The two line control function allows: a. the lowest possible memory power dissipation, b. complete assurance that output bus contention will not occur. For the most efficient use of these two control lines, E should be decoded and used as the primary device selecting function, while G should be made a common connection to all devices in the array and connected to the READ line from the system control bus. This en.

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Other Datasheets by STMicroelectronics

Part Number Description
27C1001 1 Mbit 128Kb x8 UV EPROM and OTP EPROM
27C1024 1 Mbit 64Kb x16 UV EPROM and OTP EPROM
27C160 16 Mbit 2Mb x8 or 1Mb x16 UV EPROM and OTP EPROM
27C2001 2 Mbit 256Kb x 8 UV EPROM and OTP EPROM
27C2001 1 Mbit 128Kb x8 UV EPROM and OTP EPROM

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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M27C64A 64 Kbit (8Kb x 8) UV EPROM and OTP EPROM 5V ± 10% SUPPLY VOLTAGE in READ OPERATION FAST ACCESS TIME: 150ns LOW POWER “CMOS” CONSUMPTION: – Active Current 30mA – Standby Current 100µA PROGRAMMING VOLTAGE: 12.5V ± 0.25V HIGH SPEED PROGRAMMING (less than 1 minute) ELECTRONIC SIGNATURE – Manufacturer Code: 9Bh – Device Code: 08h DESCRIPTION The M27C64A is a 64Kbit EPROM offered in the two ranges UV (ultra violet erase) and OTP (one time programmable). It is ideally suited for microprocessor systems requiring large programs and is organized as 8,192 by 8 bits. The FDIP28W (window ceramic frit-seal package) has transparent lid which allows the user to expose the chip to ultraviolet light to erase the bit pattern.