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ST93C56B1 Datasheet

  • ST93C56B1

  • 2K 128 x 16 or 256 x 8 SERIAL MICROWIRE EEPROM

  • 13頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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ST93C56, 56C
ST93C57C
2K (128 x 16 or 256 x 8) SERIAL MICROWIRE EEPROM
NOT FOR NEW DESIGN
1 MILLION ERASE/WRITE CYCLES, with
40 YEARS DATA RETENTION
DUAL ORGANIZATION: 128 x 16 or 256 x 8
BYTE/WORD and ENTIRE MEMORY
PROGRAMMING INSTRUCTIONS
SELF-TIMED PROGRAMMING CYCLE with
AUTO-ERASE
READY/BUSY SIGNAL DURING
PROGRAMMING
SINGLE SUPPLY VOLTAGE:
鈥?4.5V to 5.5V for ST93C56 version
鈥?3V to 5.5V for ST93C57 version
SEQUENTIAL READ OPERATION
5ms TYPICAL PROGRAMMING TIME
ST93C56, ST93C56C, ST93C57C are
replaced by the M93C56
DESCRIPTION
This specification covers a range of 2K bit serial
EEPROM products, the ST93C56, 56C specified
at 5V
鹵
10% and the ST93C57C specified at 3V to
5.5V. In the text, products are referred to as
ST93C56.
The ST93C56 is a 2K bit Electrically Erasable
Programmable Memory (EEPROM) fabricated with
SGS-THOMSON鈥檚 High EnduranceSingle Polysili-
con CMOS technology. The memory is accessed
through a serial input (D) and output (Q). The 2K
bit memory is divided into either 256 x 8 bit bytes
or 128 x 16 bit words. The organization may be
selected by a signal applied on the ORG input.
Table 1. Signal Names
S
D
Q
C
ORG
V
CC
V
SS
Chip Select Input
Serial Data Input
Serial Data Output
Serial Clock
Organisation Select
Supply Voltage
Ground
8
1
PSDIP8 (B)
0.4mm Frame
8
1
SO8 (M)
150mil Width
Figure 1. Logic Diagram
VCC
D
C
S
ORG
ST93C56
ST93C57
Q
VSS
AI00881C
June 1997
This is information on a product still in production bu t not recommended for new de signs.
1/13

ST93C56B1 產(chǎn)品屬性

  • STMicroelectronics

  • 2 Kbit

  • 256 x 8 or 128 K x 16

  • 40 yr

  • 1 MHz

  • 3 mA

  • 5 V

  • + 70 C

  • Through Hole

  • SPDIP

  • 500 ns

  • Microwire

  • 0 C

  • 50

  • 5.5 V

  • 4.5 V

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