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參數(shù)資料
| 型號(hào)： | X76F128HE-2.7 |
| 英文描述： | Secure SerialFlash |
| 中文描述： | 安全SerialFlash |
| 文件頁(yè)數(shù)： | 1/17頁(yè) |
| 文件大?。?/td> | 91K |
| 代理商： | X76F128HE-2.7 |
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7052 10/7/97 T0/C0/D0 SH
Xicor, Inc. 1994, 1995, 1996 Patents Pending
1
Characteristics subject to change without notice
128K
X76F128
16Kx8+64x8
Functional Diagram
Secure SerialFlash
FEATURES
64-bit Password Security
—Five 64-bit Passwords for Read, Program
and Reset
16384 Byte+64 Byte Password Protected Arrays
—Seperate Read Passwords
—Seperate Write Passwords
—Reset Password
Programmable Passwords
Retry Counter Register
—Allows 8 tries before clearing of both arrays
—Password Protected Reset
32-bit Response to Reset (RST Input)
64 byte Sector Program
400kHz Clock Rate
2 wire Serial Interface
Low Power CMOS
—2.7 to 5.5V operation
—Standby current Less than 1
—Active current less than 3 mA
High Reliability Endurance:
—100,000 Write Cycles
Data Retention: 100 years
Available in:
—SmartCard Module
—TQFP Package
μ
A
DESCRIPTION
The X76F128 is a Password Access Security Supervisor,
containing one 131072-bit Secure SerialFlash array and
one 512-bit Secure SerialFlash array. Access to each
memory array is controlled by two 64-bit passwords.
These passwords protect read and write operations 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.
The X76F128 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). Access to the device
is controlled through a chip select (CS) input, allowing
any number of devices to share the same bus.
The X76F128 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.
The X76F128 utilizes Xicor’s proprietary Direct Write
cell, providing a minimum endurance of 100,000 cycles
and a minimum data retention of 100 years.
TM
LOGIC
CS
SCL
SDA
RST
INTERFACE
16K BYTE
SerialFlash ARRAY
ARRAY 0
(PASSWORD PROTECTED)
DATA TRANSFER
ARRAY ACCESS
ENABLE
RESET
RESPONSE REGISTER
PASSWORD ARRAY
AND PASSWORD
VERIFICATION LOGIC
CHIP ENABLE
RETRY COUNTER
64 BYTE
SerialFlash ARRAY
ARRAY 1
(PASSWORD PROTECTED)
7052 FM 01
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| X76F128HE | Secure SerialFlash |
| X76F128L | Secure SerialFlash |
| X76F128LE | Secure SerialFlash |
| X76F128W | Secure SerialFlash |
| X76F128WE | Secure SerialFlash |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| X76F128L | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:Secure SerialFlash |
| X76F128L-2.7 | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:Secure SerialFlash |
| X76F128LE | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:Secure SerialFlash |
| X76F128LE-2.7 | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:Secure SerialFlash |
| X76F128W | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:Secure SerialFlash |
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