Datasheet > X76F641AG-2.0

X76F641AG-2.0

更新时间： 2024-01-06 17:33:50

品牌	Logo	应用领域
ICMIC		闪存
页数	文件大小	规格书
17页	153K
描述
Secure Serial Flash

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中文翻译

获取价格

数据手册

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X76F641AG-2.0 数据手册

ICmic

8Kx8 + 32x8

This X76F641 device has been acquired by

IC MICROSYSTEMS from Xicor, Inc.

IC MICROSYSTEMS

64K

X76F641

Secure Serial Flash

FEATURES

DESCRIPTION

•64-bit Password Security

—Five 64-bit Passwords for Read, Program

and Reset

•8192 Byte+32 Byte Password Protected Arrays

—Seperate Read Passwords

—Seperate Write Passwords

—Reset Password

The X76F641 is a Password Access Security Supervisor,

containing one 65536-bit Secure Serial Flash array and

one 256-bit Secure Serial Flash array. Access to each

memory array is controlled by five 64-bit passwords

each. These passwords protect read and write opera-

tions of the memory array. A separate RESET password

is used to reset the passwords and clear the memory

arrays in the event the read and write passwords are lost.

•Programmable Passwords

•Retry Counter Register

The X76F641 features a serial interface and software

protocol allowing operation on a popular two wire bus.

The bus signals are a clock Input (SCL) and a bidirec-

tional data input and output (SDA).

—Allows 8 tries before clearing of both arrays

—Password Protected Reset

•32-bit Response to Reset (RST Input)

•32 byte Sector Program

•400kHz Clock Rate

•2 wire Serial Interface

•Low Power CMOS

The X76F641 also features a synchronous response to reset

providing an automatic output of a hard-wired 32-bit

data stream conforming to the industry standard for

memory cards.

—2.0 to 5.5V operation

—Standby current Less than 1µA

—Active current less than 3 mA

•High Reliability Endurance:

—100,000 Write Cycles

•Data Retention: 100 years

•Available in:

The X76F641 utilizes Xicor’s proprietary Direct Write cell,

providing a minimum endurance of 100,000 cycles

and a minimum data retention of 100 years.

—8 lead EIAJ SOIC

—SmartCard Module

Functional Diagram

8K BYTE

SerialFlash ARRAY

ARRAY 0

(PASSWORD PROTECTED)

DATA TRANSFER

SCL

SDA

ARRAY ACCESS

ENABLE

INTERFACE

LOGIC

32 BYTE

SerialFlash ARRAY

ARRAY 1

PASSWORD ARRAY

AND PASSWORD

VERIFICATION LOGIC

(PASSWORD PROTECTED)

RST

RETRY COUNTER

RESET

RESPONSE REGISTER

7025 FM 01

∧Xicor, Inc. 1994, 1995, 1996 Patents

Pending 9900-5004.5 3/9/99 EP

Characteristics subject to change without notice

12 3 4 5 6 7...17

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