W49V002FAQ datasheet(1/32 Pages) WINBOND

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W49V002FA

256K

× 8 CMOS FLASH MEMORY

WITH FWH INTERFACE

Publication Release Date: February 19, 2002

- 1 -

Revision A2

GENERAL DESCRIPTION

The W49V002FA is a 2-megabit, 3.3-volt only CMOS flash memory organized as 256K

× 8 bits. The

device can be programmed and erased in-system with a standard 3.3V power supply. A 12-volt VPP is

not required. The unique cell architecture of the W49V002FA results in fast program/erase operations

with extremely low current consumption. This device can operate at two modes, Programmer bus

interface mode and FWH bus interface mode. As in the Programmer interface mode, it acts like the

traditional flash but with a multiplexed address inputs. But in the FWH interface mode, this device

complies with the Intel FWH specification. The device can also be programmed and erased using

standard EPROM programmers.

FEATURES

• Single 3.3-volt operations:

− 3.3-volt Read

− 3.3-volt Erase

− 3.3-volt Program

• Fast program operation:

− Byte-by-byte programming: 50 µS (typ.)

• Fast erase operation: 150 mS (typ.)

• Fast read access time: Tkq 11 nS

• Endurance: 10K cycles (typ.)

• Twenty-year data retention

• Hardware data protection

− #TBL & #WP serve as hardware protection

• One 16K bytes Boot Block with lockout

protection

• Two 8K bytes Parameter Blocks

• Four main memory blocks (with 32K bytes, 64K

bytes, 64K bytes, 64K bytes each)

• Low power consumption

− Active current: 40 mA (typ. for FWH)

• Automatic program and erase timing with

internal VPP generation

• End of program or erase detection

− Toggle bit

− Data polling

• Latched address and data

• TTL compatible I/O

• Available packages: 32L PLCC, 32L STSOP

Số phần tương tự - W49V002FAQ

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Winbond	W49V002	290Kb / 32P	256K x 8 CMOS FLASH MEMORY WITH LPC INTERFACE
	W49V002	351Kb / 23P	256K x 8CMOS FLASH MEMORY WITH LPC INTERFACE
	W49V002A	290Kb / 32P	256K x 8 CMOS FLASH MEMORY WITH LPC INTERFACE
	W49V002AP	290Kb / 32P	256K x 8 CMOS FLASH MEMORY WITH LPC INTERFACE
	W49V002AQ	290Kb / 32P	256K x 8 CMOS FLASH MEMORY WITH LPC INTERFACE

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Mô tả tương tự - W49V002FAQ

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