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CAT22C10JI-20 Datasheet

  • CAT22C10JI-20

  • NVRAM (EEPROM Based)

  • 10頁

  • ETC

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CAT22C10
256-Bit Nonvolatile CMOS Static RAM
FEATURES
s
Single 5V Supply
s
Fast RAM Access Times:
s
Low CMOS Power Consumption:
鈥?00ns
鈥?00ns
s
Infinite E
2
PROM to RAM Recall
s
CMOS and TTL Compatible I/O
s
Power Up/Down Protection
s
100,000 Program/Erase Cycles (E
2
PROM)
鈥揂ctive: 40mA Max.
鈥揝tandby: 30
碌
A Max.
s
JEDEC Standard Pinouts:
鈥?8-pin DIP
鈥?6-pin SOIC
s
10 Year Data Retention
s
Commercial, Industrial and Automotive
Temperature Ranges
DESCRIPTION
The CAT22C10 NVRAM is a 256-bit nonvolatile memory
organized as 64 words x 4 bits. The high speed Static
RAM array is bit for bit backed up by a nonvolatile
E
2
PROM array which allows for easy transfer 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 typi-
cally within 1.5碌s. The CAT22C10 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 3.0V.
The CAT22C10 is manufactured using Catalyst鈥檚 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 18-pin plastic DIP and 16-
pin SOIC packages.
PIN CONFIGURATION
DIP Package (P)
SOIC Package (J)
A4
A3
A2
A1
A0
CS
Vss
STORE
PIN FUNCTIONS
Pin Name
A
0
鈥揂
5
Function
Address
Data In/Out
Write Enable
Chip Select
Recall
Store
+5V
Ground
No Connect
NC
A4
A3
A2
A1
A0
CS
Vss
STORE
1
2
3
4
5
6
7
8
9
18
17
16
15
14
13
12
11
10
Vcc
NC
A5
I/O3
I/O2
I/O1
I/O0
WE
RECALL
22C10 F01
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
Vcc
A5
I/O4
I/O3
I/O2
I/O1
WE
RECALL
I/O
0
鈥揑/O
3
WE
CS
RECALL
STORE
V
CC
V
SS
22C10 F02
NC
漏 1998 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
1
Doc. No. 25018-0A 2/98 N-1
This Material Copyrighted by Its Respective Manufacturer

CAT22C10JI-20 產(chǎn)品屬性

  • Catalyst / ON Semiconductor

  • NVRAM

  • 4 bit

  • 256 Mbit

  • 64 Words x 4 bit

  • Parallel

  • 200 ns

  • 5.5 V

  • 4.5 V

  • 40 mA

  • + 85 C

  • - 40 C

  • SOIC-16

  • Tube

  • SMD/SMT

  • 47

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