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ST24FC21M6TR Datasheet

  • ST24FC21M6TR

  • 1 Kbit x8 Dual Mode Serial EEPROM for VESA PLUG & PLAY

  • 22頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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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
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.
8
1
PSDIP8 (B)
0.25mm Frame
8
1
SO8 (M)
150mil Width
Figure 1. Logic Diagram
VCC
SCL
VCLK
WC
ST24xy21
SDA
Table 1. Signal Names
SDA
SCL
V
CC
V
SS
VCLK
WC
Serial Data Address Input/Output
Serial Clock (I C mode)
Supply Voltage
Ground
Clock Transmit only mode
Write Control
Note:
WC signal is only available for ST24LW21 and ST24FW21
products.
2
VSS
AI01741
June 2002
1/22

ST24FC21M6TR 產品屬性

  • STMicroelectronics

  • 電可擦除可編程只讀存儲器

  • 1 Kbit

  • 128 K x 8

  • 40 yr

  • 400 KHz

  • 2 mA

  • 3.3 V, 5 V

  • + 85 C

  • SMD/SMT

  • SO-8

  • 3500 ns, 900 ns

  • I2C

  • - 40 C

  • Reel

  • 2500

  • 5.5 V

  • 2.5 V

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