M48T59 데이터 시트보기 (PDF) - STMicroelectronics
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M48T59 Datasheet PDF : 29 Pages
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M48T59, M48T59Y, M48T59V*
Table 4. WRITE Mode AC Characteristics
M48T59/Y/V
Symbol
Parameter(1)
–70
Unit
Min
Max
tAVAV
WRITE Cycle Time
70
ns
tAVWL
Address Valid to WRITE Enable Low
0
ns
tAVEL
Address Valid to Chip Enable Low
0
ns
tWLWH
WRITE Enable Pulse Width
50
ns
tELEH
Chip Enable Low to Chip Enable High
55
ns
tWHAX
WRITE Enable High to Address Transition
0
ns
tEHAX
Chip Enable High to Address Transition
0
ns
tDVWH
Input Valid to WRITE Enable High
30
ns
tDVEH
Input Valid to Chip Enable High
30
ns
tWHDX
WRITE Enable High to Input Transition
5
ns
tEHDX
Chip Enable High to Input Transition
5
ns
tWLQZ(2,3) WRITE Enable Low to Output Hi-Z
25
ns
tAVWH
Address Valid to WRITE Enable High
60
ns
tAVEH
Address Valid to Chip Enable High
60
ns
tWHQX(2,3) WRITE Enable High to Output Transition
5
ns
Note: 1. Valid for Ambient Operating Temperature: TA = 0 to 70°C; VCC = 4.5 to 5.5V, 4.75 to 5.5V, or 3.0 to 3.6V (except where noted).
2. CL = 5pF (see Figure 15., page 20).
3. If E goes low simultaneously with W going low, the outputs remain in the high impedance state.
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