M68Z128W 데이터 시트보기 (PDF) - STMicroelectronics
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M68Z128W Datasheet PDF : 12 Pages
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M68Z128W
Table 8. Write Mode AC Characteristics
(TA = 0 to 70°C; VCC = 3.0V + 0.6V / –0.3V)
Symbol
Parameter
tAVAV
Write Cycle Time
tAVWL
Address Valid to Write Enable Low
tAVWH Address Valid to Write Enable High
tAVE1H Address Valid to Chip Enable 1 High
tAVE2L Address Valid to Chip Enable 2 Low
tWLWH Write Enable Pulse Width
tWHAX Write Enable High to Address Transition
tWHDX Write Enable High to Input Transition
tWHQX (2) Write Enable High to Output Transition
tWLQZ (1,2) Write Enable Low to Output Hi-Z
tAVE1L Address Valid to Chip Enable 1 Low
tAVE2H Address Valid to Chip Enable 2 High
tE1LE1H Chip Enable 1 Low to Chip Enable 1 High
tE2HE2L Chip Enable 2 High to Chip Enable 2 Low
tE1HAX Chip Enable 1 High to Address Transition
tE2LAX Chip Enable 2 Low to Address Transition
tDVWH Input Valid to Write Enable High
tDVE1H Input Valid to Chip Enable 1 High
tDVE2L Input Valid to Chip Enable 2 Low
Note: 1. CL = 5pF.
2. At any given temperature and voltage condition, tWHQX is less than tWLQZ for any given device.
M68Z128W
Unit
-70
Min
Max
70
ns
0
ns
60
ns
60
ns
60
ns
55
ns
0
ns
0
ns
0
ns
25
ns
0
ns
0
ns
60
ns
60
ns
0
ns
0
ns
30
ns
30
ns
30
ns
7/12
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