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M27W102 Datasheet 1 Mbit 64Kb x16 Low Voltage UV EPROM and OTP EPROM

Manufacturer: STMicroelectronics

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General Description

The M27W102 is a low voltage 1 Mbit EPROM offered in the two ranges UV (ultra violet erase) and OTP (one time programmable).

It is ideally suited for microprocessor systems requiring large data or program storage and is organized as 65,536 words by 16 bits.

The M27W102 operates in the read mode with a supply voltage as low as 2.7V at –40 to 85°C temperature range.

Overview

M27W102 1 Mbit (64Kb x16) Low Voltage UV EPROM and OTP EPROM s 2.7V to 3.6V LOW VOLTAGE in READ OPERATION READ ACCESS TIME: – 70ns at VCC = 3.0V to 3.6V – 80ns at VCC = 2.7V to 3.6V 40 40 s s s PIN COMPATIBLE with M27C1024 LOW POWER CONSUMPTION: – 15µA max Standby Current – 15mA max Active Current at 5MHz 1 1 FDIP40W (F) PDIP40 (B) s s PROGRAMMING TIME 100µs/word HIGH RELIABILITY CMOS TECHNOLOGY – 2,000V ESD Protection – 200mA Latchup Protection Immunity PLCC44 (K) s ELECTRONIC SIGNATURE – Manufacturer Code: 0020h – Device Code: 008Ch Figure 1.

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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