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CAT24C44LI-T3

Description
256-Bit Serial Nonvolatile CMOS Static RAM
File Size54KB,9 Pages
ManufacturerON Semiconductor
Websitehttp://www.onsemi.cn
Download Datasheet Compare View All

CAT24C44LI-T3 Overview

256-Bit Serial Nonvolatile CMOS Static RAM

CAT24C44
256-Bit Serial Nonvolatile CMOS Static RAM
FEATURES
s
Single 5V Supply
s
Infinite EEPROM to RAM Recall
s
CMOS and TTL Compatible I/O
s
Low CMOS Power Consumption:
s
JEDEC Standard Pinouts:
–8-lead DIP
–8-lead SOIC
s
100,000 Program/Erase Cycles (EEPROM)
s
Auto Recall on Power-up
s
Commercial, Industrial and Automotive
–Active: 3mA Max.
–Standby: 30
µ
A Max.
s
Power Up/Down Protection
s
10 Year Data Retention
Temperature Ranges
DESCRIPTION
The CAT24C44 Serial NVRAM is a 256-bit nonvolatile
memory organized as 16 words x 16 bits. The high
speed Static RAM array is bit for bit backed up by a
nonvolatile EEPROM array which allows for easy trans-
fer of data from RAM array to EEPROM (STORE) and
from EEPROM to RAM (RECALL). STORE operations
are completed in 10ms max. and RECALL operations
typically within 1.5µs. The CAT24C44 features unlim-
ited RAM write operations either through external RAM
writes or internal recalls from EEPROM. Internal false
store protection circuitry prohibits STORE operations
when V
CC
is less than 3.5V (typical) ensuring EEPROM
data integrity.
The CAT24C44 is manufactured using Catalyst’s ad-
vanced CMOS floating gate technology. It is designed to
endure 100,000 program/erase cycles (EEPROM) and
has a data retention of 10 years. The device is available
in JEDEC approved 8-lead plastic DIP and SOIC
packages.
PIN CONFIGURATION
DIP Package (L)
CE
SK
DI
DO
1
2
3
4
8
7
6
5
PIN FUNCTIONS
Pin Name
SOIC Package ( V)
1
2
3
4
8
7
6
5
VCC
STORE
RECALL
VSS
Function
Serial Clock
Serial Input
Serial Data Output
Chip Enable
Recall
Store
+5V
Ground
SK
DI
DO
CE
RECALL
STORE
V
CC
V
SS
VCC
CE
STORE SK
RECALL DI
VSS
DO
© 2008 SCILLC. All rights reserved.
Characteristics subject to change without notice
1
Doc. No. MD-1083, Rev. T

CAT24C44LI-T3 Related Products

CAT24C44LI-T3 CAT24C44 CAT24C44LE-GT3 CAT24C44LE-T3 CAT24C44LI-GT3 CAT24C44VE-GT3 CAT24C44VE-T3
Description 256-Bit Serial Nonvolatile CMOS Static RAM 256-Bit Serial Nonvolatile CMOS Static RAM 256-Bit Serial Nonvolatile CMOS Static RAM 256-Bit Serial Nonvolatile CMOS Static RAM 256-Bit Serial Nonvolatile CMOS Static RAM 256-Bit Serial Nonvolatile CMOS Static RAM 256-Bit Serial Nonvolatile CMOS Static RAM

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