M27C4001

M27C4002 : M27C4002 4 Mbit (256Kb x16) UV EPROM and OTP EPROM Feature summary ■ 5V ± 10% Supply voltage for Read operations ■ Access time: 45ns ■ Low Power consumption t(s)– Active Current 70mA at 10MHz – Standby current 100µa uc■ Programming Voltage: 12.75V ± 0.25V d■ Programming Time: 100µs/word ro■ Electronic Signature P– Manufacturer Code: 20h te– Device Code: 44h Obsolete Product(s) - Obsole■ ECOPACK® packages available 40 1 FDIP40W (F) 40 1 PDIP40 (B) PLCC44 (C) TSOP40 (N) 10 x 20 mm April 2006 Rev 4 1/24 www.st.com 1 Contents Contents M27C4002 1 Summary description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2 Device operation . . . . . . . ..

M27C400 : 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.