ST24FC21M1TR Datasheet

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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

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ST24FC21M1TR相关型号PDF文件下载

• 型号
  版本
  描述
  厂商
  下载
• ST24
  英文版
  SERIAL 1K 128 x 8 EEPROM
  
  ST24
• ST24F
  英文版
  PHOTOTRANSISTOR | NPN | 880NM PEAK WAVELENGTH | 20M | LED-7B
  ETC
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• ST2408
  英文版
  HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTOR
  
  ST2408
• ST24C01
  英文版
  SERIAL 1K 128 x 8 EEPROM
  
  ST24C01
• ST24C01
  英文版
  SERIAL 1K 128 x 8 EEPROM
  STMICROELECTRON...
  ST24C01
• ST24C02
  英文版
  SERIAL 2K (256 x 8) EEPROM
  
  ST24C02
• ST24C04
  英文版
  4 Kbit Serial I2C Bus EEPROM with User-Defined Block Write P...
  
  ST24C04
• ST24C04
  英文版
  4 Kbit Serial I 2 C Bus EEPROM with User-Defined Block Write...
  STMicro
  ST24C04
• ST24C08
  英文版
  8 Kbit Serial I2C Bus EEPROM with User-Defined Block Write P...
  
  ST24C08
• ST24C08
  英文版
  8 Kbit Serial I 2 C Bus EEPROM with User-Defined Block Write...
  STMicro
  ST24C08
• ST24C16
  英文版
  16 Kbit Serial I2C Bus EEPROM with User-Defined Block Write ...
  
  ST24C16
• ST24C16
  英文版
  16 Kbit Serial I 2 C Bus EEPROM with User-Defined Block Writ...
  STMicro
  ST24C16
• ST24E16
  英文版
  16 Kbit Serial I2C EEPROM with Extended Addressing
  
  ST24E16
• ST24E16
  英文版
  16 Kbit Serial I2C EEPROM with Extended Addressing
  STMICROELECTRON...
  ST24E16
• ST24E64
  英文版
  SERIAL EXTENDED ADDRESSING COMPATIBLE WITH I2C BUS 64K (8K x...
  
  ST24E64
• ST24E64
  英文版
  SERIAL EXTENDED ADDRESSING COMPATIBLE WITH I2C BUS 64K (8K x...
  STMICROELECTRON...
  ST24E64
• ST24W01
  英文版
  SERIAL 1K 128 x 8 EEPROM
  
  ST24W01
• ST24W01
  英文版
  SERIAL 1K 128 x 8 EEPROM
  STMICROELECTRON...
  ST24W01
• ST24W02
  英文版
  SERIAL 2K (256 x 8) EEPROM
  
  ST24W02
• ST24W02
  英文版
  SERIAL 2K (256 x 8) EEPROM
  STMICROELECTRON...
  ST24W02

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