Datasheet > 29LV400BA

29LV400BA

更新时间： 2022-01-13 03:24:44

品牌	Logo	应用领域
超微 - AMD		闪存
页数	文件大小	规格书
40页	486K
描述
4 Megabit (512 K x 8-Bit/256 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory

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29LV400BA 数据手册

PRELIMINARY

Am29LV400

4 Megabit (512 K x 8-Bit/256 K x 16-Bit)

CMOS 3.0 Volt-only Boot Sector Flash Memory

DISTINCTIVE CHARACTERISTICS

■ Single power supply operation

■ Top or bottom boot block configurations

available

— Full voltage range: 2.7 to 3.6 volt read and write

operations for battery-powered applications

■ Embedded Algorithms

— Regulated voltage range: 3.0 to 3.6 volt read

and write operations and for compatibility with

high performance 3.3 volt microprocessors

— Embedded Erase algorithm automatically

preprograms and erases the entire chip or any

combination of designated sectors

■ High performance

— Embedded Program algorithm automatically

writes and verifies data at specified addresses

— Full voltage range: access times as fast as 100

■ Typical 1,000,000 write cycles per sector

— Regulated voltage range: access times as fast

as 90 ns

(100,000 cycles minimum guaranteed)

■ Package option

— 48-ball FBGA

— 48-pin TSOP

— 44-pin SO

■ Ultra low power consumption (typical values at

5 MHz)

— 200 nA Automatic Sleep mode current

— 200 nA standby mode current

— 10 mA read current

■ Compatibility with JEDEC standards

— Pinout and software compatible with single-

power supply Flash

— 20 mA program/erase current

■ Flexible sector architecture

— Superior inadvertent write protection

— One 16 Kbyte, two 8 Kbyte, one 32 Kbyte, and

seven 64 Kbyte sectors (byte mode)

■ Data# Polling and toggle bits

— Provides a software method of detecting

program or erase operation completion

— One 8 Kword, two 4 Kword, one 16 Kword, and

seven 32 Kword sectors (word mode)

■ Ready/Busy# pin (RY/BY#)

— Supports full chip erase

— Provides a hardware method of detecting

program or erase cycle completion

— Sector Protection features:

A hardware method of locking a sector to

prevent any program or erase operations within

that sector

■ Erase Suspend/Erase Resume

— Suspends an erase operation to read data from,

or program data to, a sector that is not being

erased, then resumes the erase operation

Sectors can be locked via programming

equipment

■ Hardware reset pin (RESET#)

Temporary Sector Unprotect feature allows code

changes in previously locked sectors

— Hardware method to reset the device to reading

array data

Publication# 20514 Rev: C Amendment/+1

Issue Date: March 1998

12 3 4 5 6 7...40

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