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M27W401 - 4 Mbit 512Kb x 8 Low Voltage UV EPROM and OTP EPROM

Datasheet Summary

Description

The M27W401 is a low voltage 4 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 organised as 524,288 by 8 bits.

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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Datasheet Details

Part number M27W401
Manufacturer STMicroelectronics
File Size 102.42 KB
Description 4 Mbit 512Kb x 8 Low Voltage UV EPROM and OTP EPROM
Datasheet download datasheet M27W401 Datasheet
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Full PDF Text Transcription

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M27W401 4 Mbit (512Kb x 8) Low Voltage UV EPROM and OTP EPROM s 2.7V to 3.6V LOW VOLTAGE in READ OPERATION ACCESS TIME: – 70ns at VCC = 3.0V to 3.6V – 80ns at VCC = 2.7V to 3.6V 32 s 32 s s PIN COMPATIBLE with M27C4001 LOW POWER CONSUMPTION: – 15µA max Standby Current – 15mA max Active Current at 5MHz 1 1 FDIP32W (F) PDIP32 (B) s s PROGRAMMING TIME 100µs/byte HIGH RELIABILITY CMOS TECHNOLOGY – 2,000V ESD Protection – 200mA Latchup Protection Immunity PLCC32 (K) TSOP32 (N) 8 x 20 mm s ELECTRONIC SIGNATURE – Manufacturer Code: 20h – Device Code: 41h Figure 1. Logic Diagram DESCRIPTION The M27W401 is a low voltage 4 Mbit EPROM offered in the two ranges UV (ultra violet erase) and OTP (one time programmable).
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