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7C256 データシート(PDF) 4 Page - Alliance Semiconductor Corporation

部品番号 7C256
部品情報  High Performance 32Kx8 CMOS SRAM
PDF  8 Pages
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メーカー  ALSC [Alliance Semiconductor Corporation]
ホームページ  https://www.alliancememory.com
Logo ALSC - Alliance Semiconductor Corporation

7C256 データシート(HTML) 4 Page - Alliance Semiconductor Corporation

  7C256 Datasheet HTML 1Page - Alliance Semiconductor Corporation 7C256 Datasheet HTML 2Page - Alliance Semiconductor Corporation 7C256 Datasheet HTML 3Page - Alliance Semiconductor Corporation 7C256 Datasheet HTML 4Page - Alliance Semiconductor Corporation 7C256 Datasheet HTML 5Page - Alliance Semiconductor Corporation 7C256 Datasheet HTML 6Page - Alliance Semiconductor Corporation 7C256 Datasheet HTML 7Page - Alliance Semiconductor Corporation 7C256 Datasheet HTML 8Page - Alliance Semiconductor Corporation  
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AS7C256
AS7C256L
4
Parameter
Symbol
-10
-12
-15
-20
-25
-35
Unit
Notes
Min Max Min Max Min Max Min Max Min Max Min Max
Read Cycle Time
tRC
10
12
15
20
25
35
ns
Address Access Time
tAA
10
12
15
20
25
35
ns
3
Chip Enable (CE) Access Time
tACE
10
12
15
20
25
35
ns
3
Output Enable (OE) Access Time
tOE
–3
–3
–4–
5–
6–
8
ns
Output Hold from Address Change
tOH
2–
3–
3–3
–3
–3
ns
5
CE LOW to Output in Low Z
tCLZ
3–
3–
3–3
–3
–3
ns
4, 5
CE HIGH to Output in High Z
tCHZ
–3
–3
–4–
5–
6–
8
ns
4, 5
OE LOW to Output in Low Z
tOLZ
0–
0–
0–0
–0
–0
ns
4, 5
OE HIGH to Output in High Z
tOHZ
–3
–3
–4–
5–
6–
8
ns
4, 5
Power Up Time
tPU
0–
0–
0–0
–0
–0
ns
4, 5
Power Down Time
tPD
10
12
15
20
25
35
ns
4, 5
READ CYCLE
(VCC = 5V±10%, GND = 0V, Ta = 0°C to +70°C)
3, 9
3, 6, 7, 9
TIMING WAVEFORM OF READ CYCLE 1
(Address Controlled)
Address
Dout
Data Valid
tOH
tAA
tRC
3, 6, 8, 9
TIMING WAVEFORM OF READ CYCLE 2
(CE Controlled)
Supply
Current
CE
OE
Dout
tRC
1
tOE
tOLZ
tACE
tCHZ
tCLZ
tPU
tPD
ICC
ISB
50%
50%
tOHZ
Data Valid
AS7C256-04



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