Datasheet > PM49FL004

PM49FL004

更新时间： 2024-11-17 22:25:59

品牌	Logo	应用领域
PMC		闪存 PC
页数	文件大小	规格书
46页	208K
描述
2 Mbit / 4 Mbit 3.3 Volt-only Firmware Hub/LPC Flash Memory

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PM49FL004 数据手册

PMC

Pm49FL002 / Pm49FL004

2 Mbit / 4 Mbit 3.3 Volt-only Firmware Hub/LPC Flash Memory

FEATURES

•

Single Power Supply Operation

Low voltage range: 3.0 V - 3.6 V

•

Firmware HUB (FWH)/Low Pin Count

(LPC) Mode

33 MHz synchronous operation with PCI bus

5-signal communication interface for in-

system read and write operations

Standard SDP Command Set

Data# Polling and Toggle Bit features

each block (FWH mode only)

•

Standard Intel Firmware Hub/LPC Inter-

face

Read compatible to Intel^®82802 Firmware

Hub devices

Conforms to Intel LPC Interface Specification

Revision 1.1

4 ID pins for multiple Flash chips selection

(FWH mode only)

•

Memory Configuration

Pm49FL002: 256K x 8 (2 Mbit)

Pm49FL004: 512K x 8 (4 Mbit)

5 GPI pins for General Purpose Input Register

TBL# pin for hardware write protection to Boot

Block

WP# pin for hardware write protection to whole

memory array except Boot Block

•

Cost Effective Sector/Block Architecture

Pm49FL002: Sixty-four uniform 4 Kbyte

sectors, or sixteen uniform 16 Kbyte blocks

(sector group)

Pm49FL004: One hundred and twenty-eight

uniform 4 Kbyte sectors, or eight uniform 64

Kbyte blocks (sector group)

•

Address/Address Multiplexed (A/A Mux)

Mode

11-pin multiplexed address and 8-pin data I/O

interface

Supports fast programming on EPROM

programmers

•

Top Boot Block

Pm49FL002: 16 Kbyte top Boot Block

Pm49FL004: 64 Kbyte top Boot Block

Standard SDP Command Set

Data# Polling and Toggle Bit features

•

Automatic Erase and Program Operation

Build-in automatic program verification for

extended product endurance

•

Lower Power Consumption

Typical 2 mA active read current

Typical 7 mA program/erase current

Typical 25 µs/byte programming time

Typical 50 ms sector/block/chip erase time

•

High Product Endurance

Guarantee 100,000 program/erase cycles per

single sector (preliminary)

•

Two Configurable Interfaces

In-System hardware interface: Auto detection

of Firmware Hub (FWH) or Low Pin Count

(LPC) memory cycle for in-system read and

write operations

Address/Address-Multiplexed (A/A Mux)

interface for programming on EPROM Pro-

grammers during manufacturing

Minimum 20 years data retention

•

Compatible Pin-out and Packaging

32-pin (8 mm x 14 mm) VSOP

32-pin PLCC

Optional lead-free (Pb-free) package

•

Hardware Data Protection

Programmable Microelectronics Corp.

PMC and P-Flash are registered trademark of Programmable Microelectronics Corporation.

Issue Date: December, 2003 Rev:1.4

Intel is a registered trademark of Intel Corporation.

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