W29C040P90B Winbond, W29C040P90B Datasheet

W29C040P90B

Manufacturer Part Number

W29C040P90B

Description

PLCC-32

Manufacturer

Winbond

Datasheet

1.W29C040P90B.pdf (24 pages)

Specifications of W29C040P90B

Date_code

04+

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Company:

Bonase Electronics (HK) Co., Limited

Part Number:

W29C040P90B

Manufacturer:

WINBOND

Quantity:

1 000

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

W29C040P90B

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GENERAL DESCRIPTION

The W29C040 is a 4-megabit, 5-volt only CMOS page mode Flash Memory organized as 512K

bits. The device can be written (erased and programmed) in-system with a standard 5V power supply.

A 12-volt V

program) operations with extremely low current consumption (compared to other comparable 5-volt

flash memory products.) The device can also be erased and programmed by using standard EPROM

programmers.

FEATURES

Single 5-volt write (erase and program)

operations

Fast page-write operations

Fast chip-erase operation: 50 mS

Two 16 KB boot blocks with lockout

Page write (erase/program) cycles: 50K (typ.)

Read access time: 70/90/120 nS

Ten-year data retention

256 bytes per page

Page write (erase/program) cycle: 5 mS

(typ.)

Effective byte-write (erase/program) cycle

time: 19.5 S

Optional software-protected data write

is not required. The unique cell architecture of the W29C040 results in fast write (erase/

512K

- 1 -

8 CMOS FLASH MEMORY

Software and hardware data protection

Low power consumption

internal V

End of write (erase/program) detection

Latched address and data

All inputs and outputs directly TTL compatible

JEDEC standard byte-wide pinouts

Available packages: 32-pin 600 mil DIP, TSOP

and PLCC

Automatic write (erase/program) timing with

Active current: 25 mA (typ.)

Standby current: 20 A (typ.)

Toggle bit

Data polling

Publication Release Date: May 6, 2002

generation

W29C040

Revision A9

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