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ST24FC21M6TR PDF预览

ST24FC21M6TR

更新时间: 2024-01-10 06:21:08
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 可编程只读存储器电动程控只读存储器电可擦编程只读存储器
页数 文件大小 规格书
22页 160K
描述
1 Kbit x8 Dual Mode Serial EEPROM for VESA PLUG & PLAY

ST24FC21M6TR 数据手册

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ST24LC21B, ST24LW21  
ST24FC21, ST24FC21B, ST24FW21  
1 Kbit (x8) Dual Mode Serial EEPROM  
for VESA PLUG & PLAY  
1 MILLION ERASE/WRITE CYCLES  
40 YEARS DATA RETENTION  
3.6V to 5.5V or 2.5V to 5.5V SINGLE SUPPLY  
VOLTAGE  
HARDWARE WRITE CONTROL (ST24LW21  
and ST24FW21)  
TTL SCHMITT-TRIGGER on VCLK INPUT  
8
8
100k / 400k Hz COMPATIBILITY with the I2C  
BUS BIT TRANSFER RANGE  
1
1
TWO WIRE SERIAL INTERFACE I2C BUS  
COMPATIBLE  
SO8 (M)  
150mil Width  
PSDIP8 (B)  
0.25mm Frame  
I2C PAGE WRITE (up to 8 Bytes)  
I2C BYTE, RANDOM and SEQUENTIAL READ  
MODES  
SELF TIMED PROGRAMMING CYCLE  
AUTOMATIC ADDRESS INCREMENTING  
ENHANCED ESD/LATCH UP  
PERFORMANCES  
Figure 1. Logic Diagram  
ERROR RECOVERY MECHANISM  
(ST24FC21 and ST24FW21) VESA 2  
COMPATIBLE  
V
CC  
DESCRIPTION  
The ST24LC21B, ST24LW21, ST24FC21,  
ST24FC21B and ST24FW21 are 1K bit electrically  
erasable programmable memory (EEPROM), or-  
ganized in 128x8 bits. In the text, products are  
referred as ST24xy21, where "x" is either "L" for  
VESA 1 or "F" for VESA 2 compatible memories  
and where "y" indicates the Write Control pin con-  
nection: "C" means WC on pin 7 and "W" means  
WC on pin 3.  
SCL  
VCLK  
WC  
SDA  
ST24xy21  
Table 1. Signal Names  
V
SS  
SDA  
SCL  
VCC  
Serial Data Address Input/Output  
Serial Clock (I2C mode)  
Supply Voltage  
AI01741  
VSS  
Ground  
Note: WC signal is only available for ST24LW21 and ST24FW21  
VCLK  
WC  
Clock Transmit only mode  
Write Control  
products.  
June 2002  
1/22  

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