Product Details

GENERAL DESCRIPTION  

The Am29F040B is a 4 Mbit, 5.0 volt-only Flash memory organized as 524,288 Kbytes of 8 bits each.

 The 512 Kbytes of data are divided into eight sectors of 64 Kbytes each for flexible erase capability. 

The 8 bits of data appear on DQ0–DQ7. 

The Am29F040B is offered in 32-pin PLCC, TSOP, and PDIP packages. 

This device is designed to be programmed in-system with the standard system 5.0 volt VCC supply. 

A 12.0 volt VPP is not required for write or erase operations. 

The device can also be programmed in standard EPROM programmers.

DISTINCTIVE CHARACTERISTICS

■ 5.0 V ± 10% for read and write operations

    — Minimizes system level power requirements

■ Manufactured on 0.32 µm process technology

    — Compatible with 0.5 µm Am29F040 device

■ High performance

    — Access times as fast as 55 ns

■ Low power consumption

    — 20 mA typical active read current

    — 30 mA typical program/erase current

    — 1 µA typical standby current (standard access time to active mode)

■ Flexible sector architecture

    — 8 uniform sectors of 64 Kbytes each

    — Any combination of sectors can be erased

    — Supports full chip erase

    — Sector protection:

        A hardware method of locking sectors to prevent any program or erase operations within that sector

■ Embedded Algorithms

    — Embedded Erase algorithm automatically preprograms and erases the entire chip or any combination of

designated sectors

    — Embedded Program algorithm automatically writes and verifies bytes at specified addresses

■ Minimum 1,000,000 program/erase cycles per sector guaranteed

■ 20-year data retention at 125°C

    — Reliable operation for the life of the system

■ Package options

    — 32-pin PLCC, TSOP, or PDIP

■ Compatible with JEDEC standards

    — Pinout and software compatible with single-power-supply Flash standard

    — Superior inadvertent write protection

■ Data# Polling and toggle bits

    — Provides a software method of detecting program or erase cycle completion

■ Erase Suspend/Erase Resume

    — Suspends a sector erase operation to read data from, or program data to, a non-erasing sector,

then resumes the erase operation

Product Description

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Product datasheet

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