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M27W402 - 4 Mbit 256Kb x16 Low Voltage UV EPROM and OTP EPROM

Description

The M27W402 is a low voltage 4 Mbit EPROM offered in the two range 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 262,144 by 16 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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M27W400 4 Mbit 512Kb x8 or 256Kb x16 Low Voltage UV EPROM and OTP EPROM
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Full PDF Text Transcription

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M27W402 4 Mbit (256Kb x16) Low Voltage UV EPROM and OTP EPROM s 2.7V to 3.6V SUPPLY VOLTAGE in READ OPERATION ACCESS TIME: – 80ns at VCC = 3.0V to 3.6V – 100ns at VCC = 2.7V to 3.6V 40 40 s s s PIN COMPATIBLE with M27C4002 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) TSOP40 (N) 10 x 20 mm s ELECTRONIC SIGNATURE – Manufacturer Code: 0020h – Device Code: 0044h Figure 1. Logic Diagram DESCRIPTION The M27W402 is a low voltage 4 Mbit EPROM offered in the two range UV (Ultra Violet Erase) and OTP (one time programmable).
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