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ST24W04B6TR Datasheet

  • ST24W04B6TR

  • 4 Kbit Serial I2C Bus EEPROM with User-Defined Block Write P...

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  • STMICROELECTRONICS   STMICROELECTRONICS

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ST24C04, ST25C04
ST24W04, ST25W04
4 Kbit Serial I
2
C Bus EEPROM
with User-Defined Block Write Protection
1 MILLION ERASE/WRITE CYCLES with
40 YEARS DATA RETENTION
SINGLE SUPPLY VOLTAGE:
鈥?3V to 5.5V for ST24x04 versions
鈥?2.5V to 5.5V for ST25x04 versions
HARDWARE WRITE CONTROL VERSIONS:
ST24W04 and ST25W04
PROGRAMMABLE WRITE PROTECTION
TWO WIRE SERIAL INTERFACE, FULLY I
2
C
BUS COMPATIBLE
BYTE and MULTIBYTE WRITE (up to 4
BYTES)
PAGE WRITE (up to 8 BYTES)
BYTE, RANDOM and SEQUENTIAL READ
MODES
SELF TIMED PROGRAMMING CYCLE
AUTOMATIC ADDRESS INCREMENTING
ENHANCED ESD/LATCH UP
PERFORMANCES
8
1
PSDIP8 (B)
0.25mm Frame
8
1
SO8 (M)
150mil Width
Figure 1. Logic Diagram
DESCRIPTION
This specification covers a range of 4 Kbits I
2
C bus
EEPROM products, the ST24/25C04 and the
ST24/25W04. In the text, products are referred to
as ST24/25x04, where "x" is: "C" for Standard
version and "W" for hardware Write Control ver-
sion.
Table 1. Signal Names
PRE
E1-E2
SDA
SCL
MODE
WC
V
CC
V
SS
Write Protect Enable
Chip Enable Inputs
Serial Data Address Input/Output
Serial Clock
Multibyte/Page Write Mode
(C version)
Write Control (W version)
Supply Voltage
Ground
VCC
2
E1-E2
PRE
SCL
MODE/WC*
ST24x04
ST25x04
SDA
VSS
AI00851E
Note:
WC signal is only available for ST24/25W04 products.
February 1999
1/16

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