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Catalyst Semiconductor - 1K/2K/2K/4K/16K-Bit Microwire Serial E2PROM

Numéro de référence AT93C86
Description 1K/2K/2K/4K/16K-Bit Microwire Serial E2PROM
Fabricant Catalyst Semiconductor 
Logo Catalyst Semiconductor 





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AT93C86 fiche technique
CAT93C46/56/57/66/86
1K/2K/2K/4K/16K-Bit Microwire Serial E2PROM
FEATURES
s High Speed Operation:
– 93C46/56/57/66: 1MHz
– 93C86: 3MHz
s Low Power CMOS Technology
s 1.8 to 6.0 Volt Operation
s Selectable x8 or x16 Memory Organization
s Self-Timed Write Cycle with Auto-Clear
s Hardware and Software Write Protection
s Power-Up Inadvertant Write Protection
s 1,000,000 Program/Erase Cycles
s 100 Year Data Retention
s Commercial, Industrial and Automotive
Temperature Ranges
s Sequential Read (except 93C46)
s Program Enable (PE) Pin (93C86 only)
DESCRIPTION
The CAT93C46/56/57/66/86 are 1K/2K/2K/4K/16K-bit
Serial E2PROM 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 CAT93C46/56/
57/66/86 are manufactured using Catalyst’s advanced
CMOS E2PROM floating gate technology. The devices
are designed to endure 1,000,000 program/erase cycles
and have a data retention of 100 years. The devices are
available in 8-pin DIP, 8-pin SOIC or 8-pin TSSOP
packages.
PIN CONFIGURATION
DIP Package (P)
SOIC Package (J)
CS 1
SK 2
DI 3
DO 4
8 VCC
NC (PE*) 1
7 NC (PE*)
VCC
2
6 ORG
CS 3
5 GND
SK 4
8 ORG
7 GND
6 DO
5 DI
SOIC Package (S) SOIC Package (K)
CS 1
SK 2
DI 3
DO 4
8 VCC
CS 1
7 NC (PE*) SK 2
6 ORG
DI 3
5 GND
DO 4
8 VCC
7 NC (PE*)
6 ORG
5 GND
TSSOP Package (U)
CS 1
SK 2
DI 3
DO 4
8
7
6
5
VCC
NC (PE*)
ORG
GND
*Only For 93C86
PIN FUNCTIONS
Pin Name
Function
CS Chip Select
SK Clock Input
DI Serial Data Input
DO Serial Data Output
VCC
GND
+1.8 to 6.0V Power Supply
Ground
ORG
Memory Organization
NC No Connection
PE* Program Enable
Note: When the ORG pin is connected to VCC, the X16 organiza
tion is selected. When it is connected to ground, the X8 pin
is selected. If the ORG pin is left unconnected, then an
internal pullup device will select the X16 organization.
BLOCK DIAGRAM
VCC
GND
ORG
MEMORY ARRAY
ORGANIZATION
DATA
REGISTER
DI
MODE DECODE
CS LOGIC
PE*
CLOCK
SK GENERATOR
93C46/56/57/66/86
F01
ADDRESS
DECODER
OUTPUT
BUFFER
DO
93C46/56/57/66/86 F02
© 1998 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
1
Doc. No. 25056-00 2/98 M-1

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