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M29F040B Datasheet 4 Mbit 512Kb x8 / Uniform Block Single Supply Flash Memory

Manufacturer: STMicroelectronics

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General Description

The M29F040B is a 4 Mbit (512Kb x8) non-volatile memory that can be read, erased and reprogrammed.

These operations can be p

Overview

M29F040B 4 Mbit (512Kb x8, Uniform Block) Single Supply Flash Memory PRELIMINARY DATA s SINGLE 5V ± 10% SUPPLY VOLTAGE for PROGRAM, ERASE and READ OPERATIONS ACCESS TIME: 45ns PROGRAMMING TIME – 8µs per Byte typical 8 UNIFORM 64 Kbytes MEMORY BLOCKS PROGRAM/ERASE CONTROLLER – Embedded Byte Program algorithm – Embedded Multi-Block/Chip Erase algorithm – Status Register Polling and Toggle Bits PLCC32 (K) TSOP32 (N) 8 x 20mm s s s s s ERASE SUSPEND and RESUME MODES – Read and Program another Block during Erase Suspend 32 s UNLOCK BYPASS PROGRAM COMMAND – Faster Production/Batch Programming LOW POWER CONSUMPTION – Standby and Automatic Standby 100,000 PROGRAM/ERASE CYCLES per BLOCK 20 YEARS DATA RETENTION – Defectivity below 1 ppm/year ELECTRONIC SIGNATURE – Manufacturer Code: 20h – Device Code: E2h A0-A18 19 1 PDIP32 (P) s s Figure 1.

Logic Diagram s s VCC 8 DQ0-DQ7 W E G M29F040B VSS AI02900 September 1999 This is preliminary information on a new product now in development or undergoing evaluation.

Details are subject to change without notice.

Key Features

  • k Protection and Blocks Unprotection. Each block can be separately protected against.

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