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CAT24C44P

Description
Non-Volatile SRAM, 16X16, 375ns, CMOS, PDIP8, PLASTIC, DIP-8
Categorystorage    storage   
File Size45KB，8 Pages
ManufacturerCatalyst
Websitehttp://www.catalyst-semiconductor.com/
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CAT24C44P Overview

Non-Volatile SRAM, 16X16, 375ns, CMOS, PDIP8, PLASTIC, DIP-8

CAT24C44P Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
Parts packaging codeDIP
package instructionDIP, DIP8,.3
Contacts8
Reach Compliance Codeunknown
ECCN codeEAR99
Maximum access time375 ns
Other features10 YEAR DATA RETENTION ;EEPROM HARDWARE/SOFTWARE RECALL/STORE
JESD-30 codeR-PDIP-T8
JESD-609 codee0
length9.59 mm
memory density256 bit
Memory IC TypeNON-VOLATILE SRAM
memory width16
Number of functions1
Number of ports1
Number of terminals8
word count16 words
character code16
Operating modeSYNCHRONOUS
Maximum operating temperature70 °C
Minimum operating temperature
organize16X16
Output characteristics3-STATE
ExportableNO
Package body materialPLASTIC/EPOXY
encapsulated codeDIP
Encapsulate equivalent codeDIP8,.3
Package shapeRECTANGULAR
Package formIN-LINE
Parallel/SerialSERIAL
Peak Reflow Temperature (Celsius)240
power supply5 V
Certification statusNot Qualified
Maximum seat height4.57 mm
Maximum standby current0.00003 A
Maximum slew rate0.003 mA
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)4.5 V
Nominal supply voltage (Vsup)5 V
surface mountNO
technologyCMOS
Temperature levelCOMMERCIAL
Terminal surfaceTIN LEAD
Terminal formTHROUGH-HOLE
Terminal pitch2.54 mm
Terminal locationDUAL
Maximum time at peak reflow temperature30
width7.62 mm
Base Number Matches1

Preview

Download Datasheet
CAT24C44
256-Bit Serial Nonvolatile CMOS Static RAM
FEATURES
s
Single 5V Supply
s
Infinite E
2
PROM to RAM Recall
s
CMOS and TTL Compatible I/O
s
Low CMOS Power Consumption:
s
JEDEC Standard Pinouts:
–8-pin DIP
–8-pin SOIC
s
100,000 Program/Erase Cycles (E
2
PROM)
s
Auto Recall on Power-up
s
Commercial, Industrial and Automotive
–Active: 3 mA 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 E
2
PROM array which allows for easy trans-
fer of data from RAM array to E
2
PROM (STORE) and
from E
2
PROM to RAM (RECALL). STORE operations
are completed in 10ms max. and RECALL operations
typically within 1.5µs. The CAT24C44 features unlimited
RAM write operations either through external RAM
writes or internal recalls from E
2
PROM. Internal false
store protection circuitry prohibits STORE operations
when V
CC
is less than 3.5V (typical) ensuring E
2
PROM
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 (E
2
PROM) and
has a data retention of 10 years. The device is available
in JEDEC approved 8-pin plastic DIP and SOIC pack-
ages.
PIN CONFIGURATION
DIP Package (P)
CE
SK
DI
DO
1
2
3
4
8
7
6
5
VCC
STORE
RECALL
VSS
PIN FUNCTIONS
Pin Name
SOIC Package (S)
CE
SK
DI
DO
1
2
3
4
8
7
6
5
VCC
STORE
RECALL
VSS
5157 FHD F01
Function
Serial Clock
Serial Input
Serial Data Output
Chip Enable
Recall
Store
+5V
Ground
SK
DI
DO
CE
RECALL
STORE
V
CC
V
SS
© 1998 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
Doc. No. 25019-0A 2/98 N-1
1

CAT24C44P Related Products

CAT24C44P CAT24C44S CAT24C44SI CAT24C44SA CAT24C44PA CAT24C44PI
Description Non-Volatile SRAM, 16X16, 375ns, CMOS, PDIP8, PLASTIC, DIP-8 Non-Volatile SRAM, 16X16, 375ns, CMOS, PDSO8, SOIC-8 Non-Volatile SRAM, 16X16, 375ns, CMOS, PDSO8, SOIC-8 Non-Volatile SRAM, 16X16, 375ns, CMOS, PDSO8, SOIC-8 Non-Volatile SRAM, 16X16, 375ns, CMOS, PDIP8, PLASTIC, DIP-8 Non-Volatile SRAM, 16X16, 375ns, CMOS, PDIP8, PLASTIC, DIP-8
Is it Rohs certified? incompatible incompatible incompatible incompatible incompatible incompatible
Parts packaging code DIP SOIC SOIC SOIC DIP DIP
package instruction DIP, DIP8,.3 SOP, SOP8,.25 SOP, SOP8,.25 SOP, SOP8,.25 DIP, DIP8,.3 DIP, DIP8,.3
Contacts 8 8 8 8 8 8
Reach Compliance Code unknown unknow unknow unknow unknown unknown
ECCN code EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
Maximum access time 375 ns 375 ns 375 ns 375 ns 375 ns 375 ns
JESD-30 code R-PDIP-T8 R-PDSO-G8 R-PDSO-G8 R-PDSO-G8 R-PDIP-T8 R-PDIP-T8
JESD-609 code e0 e0 e0 e0 e0 e0
length 9.59 mm 4.9 mm 4.9 mm 4.9 mm 9.59 mm 9.59 mm
memory density 256 bit 256 bi 256 bi 256 bi 256 bit 256 bit
Memory IC Type NON-VOLATILE SRAM NON-VOLATILE SRAM NON-VOLATILE SRAM NON-VOLATILE SRAM NON-VOLATILE SRAM NON-VOLATILE SRAM
memory width 16 16 16 16 16 16
Number of functions 1 1 1 1 1 1
Number of terminals 8 8 8 8 8 8
word count 16 words 16 words 16 words 16 words 16 words 16 words
character code 16 16 16 16 16 16
Operating mode SYNCHRONOUS SYNCHRONOUS SYNCHRONOUS SYNCHRONOUS SYNCHRONOUS SYNCHRONOUS
Maximum operating temperature 70 °C 70 °C 85 °C 105 °C 105 °C 85 °C
Minimum operating temperature - - -40 °C -40 °C -40 °C -40 °C
organize 16X16 16X16 16X16 16X16 16X16 16X16
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code DIP SOP SOP SOP DIP DIP
Encapsulate equivalent code DIP8,.3 SOP8,.25 SOP8,.25 SOP8,.25 DIP8,.3 DIP8,.3
Package shape RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form IN-LINE SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE IN-LINE IN-LINE
Parallel/Serial SERIAL SERIAL SERIAL SERIAL SERIAL SERIAL
Peak Reflow Temperature (Celsius) 240 240 240 240 240 240
power supply 5 V 5 V 5 V 5 V 5 V 5 V
Certification status Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
Maximum seat height 4.57 mm 1.75 mm 1.75 mm 1.75 mm 4.57 mm 4.57 mm
Maximum standby current 0.00003 A 0.00003 A 0.00003 A 0.00003 A 0.00003 A 0.00003 A
Maximum slew rate 0.003 mA 0.003 mA 0.003 mA 0.003 mA 0.003 mA 0.003 mA
Maximum supply voltage (Vsup) 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V
Minimum supply voltage (Vsup) 4.5 V 4.5 V 4.5 V 4.5 V 4.5 V 4.5 V
Nominal supply voltage (Vsup) 5 V 5 V 5 V 5 V 5 V 5 V
surface mount NO YES YES YES NO NO
technology CMOS CMOS CMOS CMOS CMOS CMOS
Temperature level COMMERCIAL COMMERCIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL
Terminal surface TIN LEAD TIN LEAD TIN LEAD TIN LEAD TIN LEAD TIN LEAD
Terminal form THROUGH-HOLE GULL WING GULL WING GULL WING THROUGH-HOLE THROUGH-HOLE
Terminal pitch 2.54 mm 1.27 mm 1.27 mm 1.27 mm 2.54 mm 2.54 mm
Terminal location DUAL DUAL DUAL DUAL DUAL DUAL
Maximum time at peak reflow temperature 30 30 30 30 30 30
width 7.62 mm 3.9 mm 3.9 mm 3.9 mm 7.62 mm 7.62 mm
Base Number Matches 1 1 1 1 1 1

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