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ST24E64 View Datasheet(PDF) - STMicroelectronics

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ST24E64 Datasheet PDF : 16 Pages
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ST24E64
ST25E64
SERIAL EXTENDED ADDRESSING COMPATIBLE
WITH I2C BUS 64K (8K x 8) EEPROM
COMPATIBLE with I2C EXTENDED
ADDRESSING
TWO WIRE SERIAL INTERFACE,
SUPPORTS 400kHz PROTOCOL
1 MILLION ERASE/WRITE CYCLES, OVER
the FULL SUPPLY VOLTAGE RANGE
40 YEARS DATA RETENTION
SINGLE SUPPLY VOLTAGE
– 4.5V to 5.5V for ST24E64 version
– 2.5V to 5.5V for ST25E64 version
WRITE CONTROL FEATURE
BYTE and PAGE WRITE (up to 32 BYTES)
BYTE, RANDOM and SEQUENTIAL READ
MODES
SELF TIMED PROGRAMING CYCLE
AUTOMATIC ADDRESS INCREMENTING
ENHANCED ESD/LATCH UP
PERFORMANCES
PRELIMINARY DATA
8
1
PSDIP8 (B)
0.25mm Frame
8
1
SO8 (M)
200mil Width
Figure 1. Logic Diagram
DESCRIPTION
The ST24/25E64 are 64K bit electrically erasable
programmable memories (EEPROM), organized
as 8 blocks of 1024 x 8 bits. The ST25E64 operates
with a power supply value as low as 2.5V. Both
Plastic Dual-in-Line and Plastic Small Outline pack-
ages are available.
Table 1. Signal Names
E0 - E2
SDA
SCL
WC
VCC
VSS
Chip Enable Inputs
Serial Data Address Input/Output
Serial Clock
Write Control
Supply Voltage
Ground
VCC
3
E0-E2
SCL
WC
ST24E64
ST25E64
SDA
VSS
AI01204B
November 1996
This is preliminary information on a new product now in development or undergoing evaluatio n.Details are subject to change without notice.
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