2K-Bit Microwire Serial EEPROM
CAT93C56/57 (Die Rev. E)
2K-Bit Microwire Serial EEPROM FEATURES
I High speed operation: 1MHz I Low power CMOS technolog...
Description
CAT93C56/57 (Die Rev. E)
2K-Bit Microwire Serial EEPROM FEATURES
I High speed operation: 1MHz I Low power CMOS technology I 1.8 to 6.0 volt operation I Selectable x8 or x16 memory organization I Self-timed write cycle with auto-clear I Hardware and software write protection
H
GEN FR ALO
EE
LE
A D F R E ETM
I Power-up inadvertant write protection I 1,000,000 Program/erase cycles I 100 year data retention I Commercial, industrial and automotive
temperature ranges
I Sequential read I “Green” package option available
DESCRIPTION
The CAT93C56/57 are 2K-bit Serial EEPROM memory devices which are configured as either registers of 16 bits (ORG pin at VCC) or 8 bits (ORG pin at GND). Each register can be written (or read) serially by using the DI (or DO) pin. The CAT93C56/57 are manufactured using Catalyst’s advanced CMOS EEPROM floating gate technology. The devices are designed to endure 1,000,000 program/erase cycles and has a data retention of 100 years. The devices are available in 8-pin DIP, 8-pin SOIC, 8-pin TSSOP and 8-pad TDFN packages.
PIN CONFIGURATION
DIP Package (P, L)
CS SK DI DO 1 2 3 4 8 7 6 5 VCC NC ORG GND
FUNCTIONAL SYMBOL
SOIC Package (J,W)
NC VCC CS SK 1 2 3 4 8 7 6 5 ORG GND DO DI
VCC
ORG CS SK NC
DI DO
SOIC Package (S,V)
CS SK DI DO 1 2 3 4 8 7 6 5 VCC NC ORG GND
SOIC Package (K,X)
CS SK DI DO 1 2 3 4 8 7 6 5 VCC NC ORG GND
GND
PIN FUNCTIONS
Pin Name CS SK Function Chip Select Clock Input Serial Data Input Serial Data Output +1.8 to 6.0V Power Su...
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