M48T02 查看數據表（PDF） - STMicroelectronics
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M48T02 Datasheet PDF : 19 Pages
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M48T02, M48T12
Table 8. WRITE Mode AC Characteristics
M48T02/M48T12
Symbol
Parameter(1)
–70
–150
–200
Min Max Min Max Min Max
tAVAV
WRITE Cycle Time
70
150
200
tAVWL
Address Valid to WRITE Enable Low
0
0
0
tAVEL
Address Valid to Chip Enable Low
0
0
0
tWLWH
WRITE Enable Pulse Width
50
90
120
tELEH
Chip Enable Low to Chip Enable High
55
90
120
tWHAX
WRITE Enable High to Address Transition
0
10
10
tEHAX
Chip Enable High to Address Transition
0
10
10
tDVWH
Input Valid to WRITE Enable High
30
40
60
tDVEH
Input Valid to Chip Enable High
30
40
60
tWHDX
WRITE Enable High to Input Transition
5
5
5
tEHDX
Chip Enable High to Input Transition
5
5
5
tWLQZ
WRITE Enable Low to Output Hi-Z
25
50
60
tAVWH
Address Valid to WRITE Enable High
60
120
140
tAVEH
Address Valid to Chip Enable High
60
120
140
tWHQX
WRITE Enable High to Output Transition
5
10
10
Note: 1. Valid for Ambient Operating Temperature: TA = 0 to 70°C; VCC = 4.75 to 5.5V or 4.5 to 5.5V (except where noted).
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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