M48Z129VPM 查看數據表（PDF） - STMicroelectronics
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M48Z129VPM Datasheet PDF : 13 Pages
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M48Z129Y, M48Z129V
Table 10. Write Mode AC Characteristics
(TA = 0 to 70 °C; VCC = 4.5V to 5.5V or 3.0V to 3.6V)
M48Z129Y
M48Z129V
Symbol
Parameter
-70
-85
Min
Max
Min
Max
tAVAV
Write Cycle Time
70
85
tAVWL
Address Valid to Write Enable Low
0
0
tAVEL
Address Valid to Chip Enable Low
0
0
tWLWH
Write Enable Pulse Width
55
65
tELEH
Chip Enable Low to Chip Enable High
55
75
tWHAX
Write Enable High to Address Transition
5
5
tEHAX
Chip Enable High to Address Transition
15
15
tDVWH
Input Valid to Write Enable High
30
35
tDVEH
Input Valid to Chip Enable High
30
35
tWHDX
Write Enable High to Input Transition
0
0
tEHDX
Chip Enable High to Input Transition
10
15
tWLQZ (1, 2)
Write Enable Low to Output Hi-Z
25
30
tAVWH
Address Valid to Write Enable High
65
75
tAVEH
Address Valid to Chip Enable High
65
75
tWHQX (1, 2)
Write Enable High to Output Transition
5
5
Note: 1. CL = 5pF (see Figure 4).
2. If E goes low simultaneously with W going low, the outputs remain in the high impedance state.
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Figure 8. Write Enable Controlled, Write AC Waveforms
A0-A16
E
W
DQ0-DQ7
tAVEL
tAVAV
VALID
tAVWH
tWHAX
tAVWL
tWLWH
tWLQZ
tWHDX
DATA INPUT
tDVWH
tWHQX
AI02382
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