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參數(shù)資料
| 型號(hào)： | CAT24C44S-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(yè)數(shù)： | 6/9頁(yè) |
| 文件大小： | 97K |
| 代理商： | CAT24C44S-TE13 |
6
CAT24C44
Doc. No. 1083, Rev. R
2005 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
WREN/WRDS
The CAT24C44 powers up in the program disable state
(the
“
write enable latch
”
is reset). Any programming after
power-up or after a WRDS (RAM write/EEPROM store
disable) instruction must first be preceded by the WREN
(RAM write/EEPROM store enable) instruction. Once
writing/storing is enabled, it will remain enabled until
power to the device is removed, the WRDS instruction is
sent, or an EEPROM store has been executed (STO).
Figure 4. Write Cycle Timing
Figure 3. Read Cycle Timing
x
1
2
n
SK
CE
tSKL
tSKH
1/FSK
tCEH
tDH
tDS
tCES
tCDS
DI
HIGH-Z
tPD
6
7
8
9
10
11
tPD
tZ
VIH
HIGH-Z
SK CYCLE #
SK
CE
DI
DO
D0
D1
Dn
The WRDS (write/store disable) can be used to disable
all CAT24C44 programming functions, and will prevent
any accidental writing to the RAM, or storing to the
EEPROM.
Data can be read normally from the CAT24C44 regard-
less of the
“
write enable latch
”
status.
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| CAT24C44VA-TE13 | 256-Bit Serial Nonvolatile CMOS Static RAM |
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| CAT24C44VI-TE13 | 256-Bit Serial Nonvolatile CMOS Static RAM |
| CAT24C44V-TE13 | 256-Bit Serial Nonvolatile CMOS Static RAM |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CAT24C44VI | 功能描述:NVRAM 256-Bit Serial N.V. RAM RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)總線寬度:8 bit 存儲(chǔ)容量:1024 Kbit 組織:128 K x 8 接口類型:Parallel 訪問(wèn)時(shí)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 |
| CAT24C44VI-G | 功能描述:NVRAM 256-Bit Serial N.V. RAM RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)總線寬度:8 bit 存儲(chǔ)容量:1024 Kbit 組織:128 K x 8 接口類型:Parallel 訪問(wèn)時(shí)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 |
| CAT24C44VI-GT3 | 功能描述:NVRAM 256-Bit Serial N.V. RAM RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)總線寬度:8 bit 存儲(chǔ)容量:1024 Kbit 組織:128 K x 8 接口類型:Parallel 訪問(wèn)時(shí)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 |
| CAT24C44VI-T3 | 功能描述:NVRAM 256-Bit Serial N.V. RAM RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)總線寬度:8 bit 存儲(chǔ)容量:1024 Kbit 組織:128 K x 8 接口類型:Parallel 訪問(wèn)時(shí)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 |
| CAT24C44VI-TE13 | 制造商:ON Semiconductor 功能描述:256-BIT SERIAL N.V. RAM - Tape and Reel |
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