AM29DL640D AMD, AM29DL640D Datasheet

AM29DL640D

Manufacturer Part Number

AM29DL640D

Description

64 Megabit CMOS 3.0 Volt-only / Simultaneous Read/Write Flash Memory

Manufacturer

AMD

Datasheet

1.AM29DL640D.pdf (51 pages)

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Meier Automation Equipment Co., Limited

Part Number:

AM29DL640D-90EC

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AMD

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Am29DL640D

64 Megabit (8 M x 8-Bit/4 M x 16-Bit)

CMOS 3.0 Volt-only, Simultaneous Operation Flash Memory

DISTINCTIVE CHARACTERISTICS

ARCHITECTURAL ADVANTAGES

PERFORMANCE CHARACTERISTICS

This document contains information on a product under development at Advanced Micro Devices. The information

is intended to help you evaluate this product. AMD reserves the right to change or discontinue work on this proposed

product without notice.

Simultaneous Read/Write operations

— Data can be continuously read from one bank while

— Zero latency between read and write operations

FlexBank architecture

— Read may occur in any of the three banks not being

— Four banks may be grouped by customer to achieve

Manufactured on 0.23 µm process technology

SecSi™ (Secured Silicon) Sector: Extra 256 Byte

sector

— Factory locked and identifiable: 16 bytes available for

— Customer lockable: Can be read or programmed just

Zero Power Operation

— Sophisticated power management circuits reduce

Package options

— 63-ball FBGA

— 48-pin TSOP

Boot blocks

— Top and bottom boot blocks in the same device

Compatible with JEDEC standards

— Pinout and software compatible with

High performance

— Access time as fast 90 ns

— Program time: 7 µs/word typical utilizing Accelerate

Ultra low power consumption (typical values)

— 2 mA active read current at 1 MHz

— 10 mA active read current at 5 MHz

— 200 nA in standby or automatic sleep mode

ADVANCE INFORMATION

executing erase/program functions in another bank.

written or erased.

desired bank divisions.

secure, random factory Electronic Serial Number;

verifiable as factory locked through autoselect

function. ExpressFlash option allows entire sector to

be available for factory-secured data

like other sectors. Once locked, data cannot be

changed

power consumed during inactive periods to nearly

zero.

single-power-supply flash standard

function

Refer to AMD’s Website (www.amd.com) for the latest information.

SOFTWARE FEATURES

HARDWARE FEATURES

Minimum 1 million write cycles guaranteed per

sector

20 year data retention at 125 C

— Reliable operation for the life of the system

Data Management Software (DMS)

— AMD-supplied software manages data programming,

— Eases historical sector erase flash limitations

Supports Common Flash Memory Interface (CFI)

Program/Erase Suspend/Erase Resume

— Suspends program/erase operations to allow

Data# Polling and Toggle Bits

— Provides a software method of detecting the status of

Unlock Bypass Program command

— Reduces overall programming time when issuing

Any combination of sectors can be erased

Ready/Busy# output (RY/BY#)

— Hardware method for detecting program or erase

Hardware reset pin (RESET#)

— Hardware method of resetting the internal state

WP#/ACC input pin

— Write protect (WP#) function allows protection of two

— Acceleration (ACC) function accelerates program

Sector protection

— Hardware method of locking a sector, either

— Temporary Sector Unprotect allows changing data in

enabling EEPROM emulation

programming/erasing in same bank

program or erase cycles

multiple program command sequences

cycle completion

machine to the read mode

outermost boot sectors, regardless of sector protect

status

timing

in-system or using programming equipment, to

prevent any program or erase operation within that

sector

protected sectors in-system

Publication# 23695

Issue Date: March 5, 2001

Rev: A Amendment/0

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