SST49LF008A-33-4C-WHE Datasheet

IC型號：
SST49LF008A-33-4C-WHE
PDF描述：
8 Mbit Firmware Hub
文件大?。?/label>
544.84KB
PDF頁數(shù)：
42頁
芯片廠家：
SST

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8 Mbit Firmware Hub

SST49LF008A

SST49LF008A8 Mb Firmware Hub for Intel 8xx Chipsets

Data Sheet

FEATURES:

鈥?Firmware Hub for Intel 8xx Chipsets

鈥?8 Mbit SuperFlash memory array for code/data

storage

鈥?1024K x8

鈥?Flexible Erase Capability

鈥?Uniform 4 KByte Sectors

鈥?Uniform 64 KByte overlay blocks

鈥?64 KByte Top Boot Block protection

鈥?Chip-Erase for PP Mode Only

鈥?Single 3.0-3.6V Read and Write Operations

鈥?Superior Reliability

鈥?Endurance:100,000 Cycles (typical)

鈥?Greater than 100 years Data Retention

鈥?Low Power Consumption

鈥?Active Read Current: 6 mA (typical)

鈥?Standby Current: 10 碌A(chǔ) (typical)

鈥?Fast Sector-Erase/Byte-Program Operation

鈥?Sector-Erase Time: 18 ms (typical)

鈥?Block-Erase Time: 18 ms (typical)

鈥?Chip-Erase Time: 70 ms (typical)

鈥?Byte-Program Time: 14 碌s (typical)

鈥?Chip Rewrite Time: 15 seconds (typical)

鈥?Single-pulse Program or Erase

鈥?Internal timing generation

鈥?Two Operational Modes

鈥?Firmware Hub Interface (FWH) Mode for

In-System operation

鈥?Parallel Programming (PP) Mode for fast

production programming

鈥?Firmware Hub Hardware Interface Mode

鈥?5-signal communication interface supporting

byte Read and Write

鈥?33 MHz clock frequency operation

鈥?WP# and TBL# pins provide hardware write

protect for entire chip and/or top Boot Block

鈥?Block Locking Register for all blocks

鈥?Standard SDP Command Set

鈥?Data# Polling and Toggle Bit for End-of-Write

detection

鈥?5 GPI pins for system design flexibility

鈥?4 ID pins for multi-chip selection

鈥?Parallel Programming (PP) Mode

鈥?11-pin multiplexed address and

8-pin data I/O interface

鈥?Supports fast In-System or PROM programming

for manufacturing

鈥?CMOS and PCI I/O Compatibility

鈥?Packages Available

鈥?32-lead PLCC

鈥?32-lead TSOP (8mm x 14mm)

鈥?40-lead TSOP (10mm x 20mm)

鈥?Non-Pb (lead-free) packages available

鈥?All non-Pb (lead-free) devices are RoHS compliant

PRODUCT DESCRIPTION

The SST49LF008A flash memory devices are designed to

be read-compatible with the Intel 82802 Firmware Hub

(FWH) device for PC-BIOS application. These devices pro-

vide protection for the storage and update of code and data

in addition to adding system design flexibility through five

general purpose inputs. Two interface modes are sup-

ported by the SST49LF008A: Firmware Hub (FWH) Inter-

face mode for in-system programming and Parallel

Programming (PP) mode for fast factory programming of

PC-BIOS applications.

The SST49LF008A flash memory devices are manufac-

tured with SST鈥檚 proprietary, high performance SuperFlash

technology. The split-gate cell design and thick-oxide tun-

neling injector attain better reliability and manufacturability

compared with alternate approaches. The SST49LF008A

devices significantly improve performance and reliability,

while lowering power consumption.

漏2006 Silicon Storage Technology, Inc.

S71161-11-000

3/06

The SST49LF008A devices write (Program or Erase) with

a single 3.0-3.6V power supply. They use less energy dur-

ing Erase and Program than alternative flash memory tech-

nologies. The total energy consumed is a function of the

applied voltage, current and time of application. Since for

any given voltage range, the SuperFlash technology uses

less current to program and has a shorter Erase time, the

total energy consumed during any Erase or Program oper-

ation is less than alternative flash memory technologies.

The SST49LF008A products provide a maximum Byte-

Program time of 20 碌sec. The entire memory can be

erased and programmed byte-by-byte typically in 15 sec-

onds when using status detection features such as Toggle

Bit or Data# Polling to indicate the completion of Program

operation. The SuperFlash technology provides fixed Erase

and Program times independent of the number of Erase/

Program cycles performed. Therefore the system software

The SST logo and SuperFlash are registered trademarks of Silicon Storage Technology, Inc.

Intel is a registered trademark of Intel Corporation.

These specifications are subject to change without notice.

特色產(chǎn)品
SST Serial and Parallel Flash Memory
標準包裝
208
類別
集成電路 (IC)
家庭
存儲器
系列
SST49
格式 - 存儲器
閃存
存儲器類型
FLASH
存儲容量
8M（1M x 8）
速度
33MHz
接口
并聯(lián)
電源電壓
3 V ~ 3.6 V
工作溫度
0°C ~ 85°C
封裝/外殼
32-TFSOP（0.488"，12.40mm 寬）
供應(yīng)商設(shè)備封裝
32-TSOP
包裝
托盤

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