CAT93HC46 Datasheet, PDF (1/9 Pages) Catalyst Semiconductor – 1-kb High Speed Microwire Serial EEPROM

CAT93HC46
1-kb High Speed Microwire Serial EEPROM
FEATURES
s High speed operation: 4 MHz @ 5.0 V
s 1.8 to 5.5 volt operation
s Selectable x8 or x16 word organization
s Sequential Read
s Software write protection
s Power-up inadvertent write protection
ALOGEN ^FR
LEA _{D F REETM}
s Low power CMOS technology
s 1,000,000 program/erase cycles
s 100 year data retention
s Industrial and extended temperature ranges
s 8-Lead PDIP, SOIC, MSOP and TSSOP
packages
DESCRIPTION
The CAT93HC46 is a 1-kb Serial EEPROM memory
device which is configured as registers of either 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 CAT93HC46 is manufactured using
Catalyst’s advanced CMOS EEPROM floating gate
technology. The device is designed to endure 1,000,000
program/erase cycles and has a data retention of 100
years. The CAT93HC46 is available in 8-pin DIP, SOIC,
MSOP or TSSOP packages.
PIN CONFIGURATION
DIP Package (P, L) SOIC Package (J, W)
CS 1
SK 2
DI 3
DO 4
8
VCC NC
1
7
NC VCC
2
6 ORG CS 3
5 GND SK 4
8 ORG
7 GND
6 DO
5 DI
SOIC Package (S, V) MSOP Package (R, Z)
CS 1
SK 2
DI 3
DO 4
8
VCC
CS
1
7 _NC
SK 2
6 ORG DI 3
5 GND DO 4
8
VCC
7 _NC
6 ORG
5 GND
TSSOP Package (U, Y)
CS
1
SK
2
DI
3
DO
4
8
VCC
7
NC
6
ORG
5
GND
Note: When the ORG pin is connected to VCC, the X16
organization 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.
FUNCTIONAL SYMBOL
VCC
ORG
DI
SK
CS
DO
CAT93HC46
VSS
PIN FUNCTIONS
Pin Name
CS
SK
DI
DO
VCC
GND
ORG
NC
Function
Chip Select
Clock Input
Serial Data Input
Serial Data Output
1.8 to 5.5 V Power Supply
Ground
Memory Organization
No Connection
© 2004 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
1
Doc. No. 1008,Rev. G