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AS7C1025 Datasheet(PDF) 4 Page - Alliance Semiconductor Corporation

Part No. AS7C1025
Description  5V/3.3V 128K x8 CMOS SRAM (Revolutionary pinout)
Download  9 Pages
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Maker  ALSC [Alliance Semiconductor Corporation]
Homepage  http://www.alsc.com
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AS7C1025 Datasheet(HTML) 4 Page - Alliance Semiconductor Corporation

   
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®
AS7C1025
AS7C31025
3/23/01; v.1.0
Alliance Semiconductor
P. 4 of 9
Read cycle (over the operating range)3,9
Key to switching waveforms
Read waveform 1 (address controlled)3,6,7,9
Read waveform 2 (CE and OE controlled)3,6,8,9
Parameter
Symbol
-12
-15
-20
Unit
Notes
Min
Max
Min
Max
Min
Max
Read cycle time
tRC
12
15
20
ns
Address access time
tAA
–12–15
–20
ns
3
Chip enable (CE) access time
tACE
–12–15
–20
ns
3
Output enable (OE) access time
tOE
–6
–7
8
ns
Output hold from address change
tOH
3–
3–
3–
ns
5
CE Low to output in low Z
tCLZ
0–
0–
0–
ns
4, 5
CE Low to output in high Z
tCHZ
–3
–4
5
ns
4, 5
OE Low to output in low Z
tOLZ
0–
0–
0–
ns
4, 5
OE High to output in high Z
tOHZ
–3
–4
5
ns
4, 5
Power up time
tPU
0–
0–
0–
ns
4, 5
Power down time
tPD
–12–15
–20
ns
4, 5
Undefined/don’t care
Falling input
Rising input
Address
DOUT
Data valid
tOH
tAA
tRC
current
Supply
OE
DOUT
tOE
tOLZ
tACE
tCHZ
tCLZ
tPU
tPD
ICC
ISB
50%
50%
Data valid
tRC1
CE
tOHZ


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