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參數(shù)資料
| 型號(hào)： | CY7C172A |
| 廠商： | Cypress Semiconductor Corp. |
| 英文描述： | 4K x 4 Static RAM with Separate I/O(帶獨(dú)立的輸入/輸出口的4K x 4靜態(tài) RAM) |
| 中文描述： | 4K的× 4靜態(tài)存儲(chǔ)器具有獨(dú)立的I / O（帶獨(dú)立的輸入/輸出口的4K的靜態(tài)內(nèi)存× 4） |
| 文件頁數(shù)： | 6/9頁 |
| 文件大?。?/td> | 165K |
| 代理商： | CY7C172A |
CY7C171A
CY7C172A
6
Read Cycle No. 2
[9,11]
Write Cycle No. 1 (WE Controlled)
[8]
Write Cycle No. 2 (CE Controlled)
[8,12]
Notes:
11. Address valid prior to or coincident with CE transition LOW.
12. If CE goes HIGH simultaneously with WE HIGH, the output remains in a high-impedance state (7C172A).
Switching Waveforms
(continued)
50%
50%
DATA VALID
t
ACE
t
ACE
t
LZ
t
PU
HIGH IMPEDANCE
IMPEDANCE
ICC
ISB
t
HZ
t
PD
HIGH
t
RCH
C171A–6
t
RCS
DATA OUT
CE
V
CC
SUPPLY
CURRENT
WE
t
AW
t
WC
DATA UNDEFINED
HIGH IMPEDANCE
t
SCE
t
SA
t
PWE
t
HA
t
HD
t
HZWE
t
LZWE
t
SD
CE
WE
DATA IN
ADDRESS
DATA UNDEFINED
t
ADV
DATA VALID
C171A–7
DATAOUT
(7C172A)
DATAOUT
(7C171A)
DATA
IN
VALID
t
WC
DATA UNDEFINED
HIGH IMPEDANCE
t
SCE
t
SA
t
PWE
t
HA
t
HD
t
HZWE
t
SD
ADDRESS
CE
WE
DATA VALID
t
AWE
DATA UNDEFINED
C171A–8
t
AW
DATAOUT
(7C172A)
DATAOUT
(7C171A)
DATA IN
DATA
IN
VALID
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CY7C172A-15VC | 制造商:Cypress Semiconductor 功能描述: |
| CY7C172A-15VCT | 制造商:Cypress Semiconductor 功能描述: |
| CY7C172A45DMB | 制造商:CYPRESS 功能描述:New |
| CY7C172A-45DMB | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| CY7C172A-45VC | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Cypress Semiconductor 功能描述: |
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