AS6UA25616 查看數據表（PDF） - Alliance Semiconductor
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AS6UA25616
Alliance Semiconductor
AS6UA25616 Datasheet PDF : 9 Pages
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AS6UA25616
Read cycle (over the operating range)3,9
–55
Parameter
Symbol Min
Max
Read cycle time
tRC
55
–
Address access time
tAA
–
55
Chip enable (CS) access
time
tACS
–
55
Output enable (OE) access
time
tOE
–
25
Output hold from address
change
tOH
10
–
CS low to output in low Z tCLZ
10
–
CS high to output in high Z tCHZ
0
20
OE low to output in low Z tOLZ
5
–
UB/LB access time
tBA
–
55
UB/LB low to low Z
tBLZ
10
–
UB/LB high to high Z
tBHZ
0
20
OE high to output in high Z tOHZ
0
20
Power up time
tPU
0
–
Power down time
tPD
–
55
®
–70
Min
Max Unit
70
–
ns
–
70
ns
–
70
ns
–
35
ns
10
–
ns
10
–
ns
0
20
ns
5
–
ns
–
70
ns
10
–
ns
0
20
ns
0
20
ns
0
–
ns
–
70
ns
Notes
3
3
5
4, 5
4, 5
4, 5
4, 5
4, 5
4, 5
4, 5
4, 5
Key to switching waveforms
Rising input
Read waveform 1 (address controlled)3,6,7,9
Falling input
tRC
Address
tOH
tAA
DOUT
Previous data valid
Read waveform 2 (CS, OE, UB, LB controlled)3,6,8,9
tRC
Address
tAA
OE
tOE
tOLZ
CS
tACS
tLZ
LB, UB
DOUT
tBLZ
tBA
Undefined/don’t care
tOH
Data valid
Data valid
tOH
tOHZ
tHZ
tBHZ
4
ALLIANCE SEMICONDUCTOR
10/6/00
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