M27C400 4 Mbit (512Kb x8 or 256Kb x16) UV EPROM and OTP EPROM s 5V ± 10% SUPPLY VOLTAGE in READ OPERATION ACCESS TIME: 55ns BYTE-WIDE or WORD-WIDE CONFIGURABLE 4 Mbit MASK ROM REPLACEMENT LOW POWER CONSUMPTION – Active Current 70mA at 8MHz – Stand-by Current 100µA 40 40 s s s s 1 1 FDIP40W (F) PDIP40 (B) s s s PROGRAMMING VOLTAGE: 12.
5V ± 0.
25V PROGRAMMING TIME: 100µs/word ELECTRONIC SIGNATURE – Manufacturer Code: 20h – Device Code: B8h Figure 1.
Logic Diagram DESCRIPTION The M27C400 is an 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.
It is orga...

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