AS7C31024-20TI 查看數據表（PDF） - Alliance Semiconductor
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AS7C31024-20TI Datasheet PDF : 9 Pages
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AS7C1024
AS7C31024
®
Write cycle (over the operating range)
-10
-12
-15
-20
Parameter
Symbol Min Max Min Max Min Max Min Max Unit
Write cycle time
tWC 10 – 12 – 15 – 20 –
ns
Chip enable (CE1) to write end
tCW1 9 – 10 – 12 – 12 –
ns
Chip enable (CE2) to write end
tCW2 9 – 10 – 12 – 12 –
ns
Address setup to write end
tAW
9 – 10 – 12 – 12 –
ns
Address setup time
tAS
0 – 0–0–0–
ns
Write pulse width
tWP
7 – 8 – 9 – 12 –
ns
Address hold from end of write
tAH
0 – 0–0–0–
ns
Data valid to write end
tDW
6 – 6 – 9 – 10 –
ns
Data hold time
tDH
0 – 0–0–0–
ns
Write enable to output in high Z
tWZ
–
5 –5–5–5
ns
Output active from write end
tOW
3 – 3–3–3–
ns
Shaded areas contain advance information.
Notes
12
12
12
4, 5
4, 5
4, 5
Write waveform 1 ( WE controlled)
Address
tWC
tAW
tWP
WE
tAS
DIN
tWZ
DOUT
tAH
tDW
tDH
Data valid
tOW
Write waveform 2 (CE1 and CE2 controlled)
tWC
tAW
Address
tAS
tCW1, tCW2
CE1
CE2
tWP
WE
tWZ
tDW
DIN
Data valid
DOUT
tAH
tDH
11/29/00
ALLIANCE SEMICONDUCTOR
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