ST24E16
ST25E16
16 Kbit Serial I
2
C EEPROM with Extended Addressing
COMPATIBLE with I
2
C 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
鈥?4.5V to 5.5V for ST24E16 version
鈥?2.5V to 5.5V for ST25E16 version
WRITE CONTROL FEATURE
BYTE and PAGE WRITE (up to 16 BYTES)
BYTE, RANDOM and SEQUENTIAL READ
MODES
SELF TIMED PROGRAMING 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
The ST24/25E16 are 16 Kbit electrically erasable
programmable memories (EEPROM), organized
as 8 blocks of 256 x8 bits. It is manufactured in
STMicroelectronics鈥檚 Hi-Endurance Advanced
CMOS technology which guarantees an endur-
ance of one million erase/write cycles over the full
supply voltage range, and a data retention of over
40 years. The ST25E16 operates with a power
supply value as low as 2.5V.
VCC
3
E0-E2
SCL
WC
ST24E16
ST25E16
SDA
Table 1. Signal Names
E0 - E2
SDA
SCL
WC
V
CC
V
SS
Chip Enable Inputs
Serial Data Address Input/Output
Serial Clock
Write Control
Supply Voltage
Ground
VSS
AI01102B
February 1999
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