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參數資料
| 型號： | CAT24C44GVE-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RAM |
| 文件頁數： | 1/9頁 |
| 文件大小： | 97K |
| 代理商： | CAT24C44GVE-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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| CAT24C44LA-TE13 | 256-Bit Serial Nonvolatile CMOS Static RAM |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| CAT24C44LI | 功能描述:NVRAM (128x8) 1k 1.8-6.0 RoHS:否 制造商:Maxim Integrated 數據總線寬度:8 bit 存儲容量:1024 Kbit 組織:128 K x 8 接口類型:Parallel 訪問時間:70 ns 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 工作電流:85 mA 最大工作溫度:+ 70 C 最小工作溫度:0 C 封裝 / 箱體:EDIP 封裝:Tube |
| CAT24C44LI | 制造商:ON Semiconductor 功能描述:IC NVSRAM 256BIT DIP-8 |
| CAT24C44LI-G | 功能描述:NVRAM 256-Bit Serial N.V. RAM RoHS:否 制造商:Maxim Integrated 數據總線寬度:8 bit 存儲容量:1024 Kbit 組織:128 K x 8 接口類型:Parallel 訪問時間:70 ns 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 工作電流:85 mA 最大工作溫度:+ 70 C 最小工作溫度:0 C 封裝 / 箱體:EDIP 封裝:Tube |
| CAT24C44PI | 功能描述:NVRAM (128x8) 1k 1.8-6.0 RoHS:否 制造商:Maxim Integrated 數據總線寬度:8 bit 存儲容量:1024 Kbit 組織:128 K x 8 接口類型:Parallel 訪問時間:70 ns 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 工作電流:85 mA 最大工作溫度:+ 70 C 最小工作溫度:0 C 封裝 / 箱體:EDIP 封裝:Tube |
| CAT24C44S | 功能描述:NVRAM (128x8) 1k 1.8-6.0 RoHS:否 制造商:Maxim Integrated 數據總線寬度:8 bit 存儲容量:1024 Kbit 組織:128 K x 8 接口類型:Parallel 訪問時間:70 ns 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 工作電流:85 mA 最大工作溫度:+ 70 C 最小工作溫度:0 C 封裝 / 箱體:EDIP 封裝:Tube |
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