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參數(shù)資料
| 型號： | CAT24C44V-TE13 |
| 英文描述： | 256-Bit Serial Nonvolatile CMOS Static RAM |
| 中文描述： | 256位串行非易失性的CMOS靜態(tài)RAM |
| 文件頁數(shù)： | 1/9頁 |
| 文件大?。?/td> | 97K |
| 代理商： | CAT24C44V-TE13 |
2005 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
1
CAT24C44
256-Bit Serial Nonvolatile CMOS Static RAM
Doc. No. 1083, Rev. R
FEATURES
I
Single 5V Supply
I
Infinite EEPROM to RAM Recall
I
CMOS and TTL Compatible I/O
I
Low CMOS Power Consumption:
–Active: 3 mA Max.
–Standby: 30
μ
A Max.
I
Power Up/Down Protection
I
10 Year Data Retention
I
JEDEC Standard Pinouts:
–8-pin DIP
–8-pin SOIC
I
100,000 Program/Erase Cycles (E
E
PROM)
I
Auto Recall on Power-up
I
Commercial, Industrial and Automotive
Temperature Ranges
I
"Green" Package Options Available
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 1.5
μ
s. The CAT24C44 features unlim-
ited RAM write operations either through external RAM
writes or internal recalls from EEPROM. Internal false
PIN CONFIGURATION
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-pin plastic DIP and SOIC pack-
ages.
PIN FUNCTIONS
Pin Name
Function
SK
Serial Clock
DI
Serial Input
DO
Serial Data Output
CE
Chip Enable
RECALL
Recall
STORE
Store
V
CC
+5V
V
SS
Ground
SOIC Package (S, V, GV)
DI
DO
1
2
3
4
CE
SK
RECALL
VSS
VCC
STORE
8
7
6
5
1
2
3
4
8
7
6
5
CE
SK
DI
DO
VCC
STORE
RECALL
VSS
DIP Package (P, L, GL)
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| CAT24C512XI | 功能描述:電可擦除可編程只讀存儲器 512KB I2C SER 電可擦除可編程只讀存儲器 RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時(shí)鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 |
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