參數(shù)資料
型號(hào)： ST24XY21
英文描述： IC MAX 7000 CPLD 128 84-PLCC
中文描述： 1kB的（× 8）串行EEPROM的雙模式的韋莎插頭
文件頁(yè)數(shù)： 1/22頁(yè)
文件大?。?/td> 159K
代理商： ST24XY21
ST24LC21B, ST24LW21
ST24FC21, ST24FC21B, ST24FW21
1 Kbit (x8) Dual Mode Serial EEPROM
for VESA PLUG & PLAY
June 2002
1/22
AI01741
SDA
VCC
ST24xy21
VCLK
SCL
VSS
WC
Figure 1. Logic Diagram
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
100k / 400k Hz COMPATIBILITY with the I
2
C
BUS BIT TRANSFER RANGE
TWO WIRE SERIAL INTERFACE I
2
C BUS
COMPATIBLE
I
2
C PAGE WRITE (up to 8 Bytes)
I
2
C BYTE, RANDOM and SEQUENTIAL READ
MODES
SELF TIMED PROGRAMMING CYCLE
AUTOMATIC ADDRESS INCREMENTING
ENHANCED ESD/LATCH UP
PERFORMANCES
ERROR RECOVERY MECHANISM
(ST24FC21 and ST24FW21) VESA 2
COMPATIBLE
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.
SDA
Serial Data Address Input/Output
SCL
Serial Clock (I
2
C mode)
V
CC
Supply Voltage
V
SS
Ground
VCLK
Clock Transmit only mode
WC
Write Control
Table 1. Signal Names
8
1
SO8 (M)
150mil Width
8
1
PSDIP8 (B)
0.25mm Frame
Note:
WC signal is only available for ST24LW21 and ST24FW21
products.
相關(guān)PDF資料
PDF描述
ST24LW21B6TR 1 Kbit x8 Dual Mode Serial EEPROM for VESA PLUG & PLAY
ST24FW21B6TR 1 Kbit x8 Dual Mode Serial EEPROM for VESA PLUG & PLAY
ST24FC21 Isolated Flyback Switching Regulator with 9V Output
ST24FC21B 1 Kbit x8 Dual Mode Serial EEPROM for VESA PLUG & PLAY
ST24FC21BM1TR 1 Kbit x8 Dual Mode Serial EEPROM for VESA PLUG & PLAY
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