M48T12(1998) 查看數據表（PDF） - STMicroelectronics
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M48T12 Datasheet PDF : 15 Pages
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M48T02, M48T12
Table 9. Read Mode AC Characteristics
(TA = 0 to 70°C; VCC = 4.75V to 5.5V or 4.5V to 5.5V)
Symbol
Parameter
M48T02 / M48T12
-70
-150
-200
Unit
Min Max Min Max Min Max
tAVAV
Read Cycle Time
70
150
200
ns
tAVQV Address Valid to Output Valid
70
150
200
ns
tELQV Chip Enable Low to Output Valid
70
150
200
ns
tGLQV
tELQX
Output Enable Low to Output Valid
Chip Enable Low to Output Transition
35
75
80
ns
5
10
10
ns
tGLQX Output Enable Low to Output Transition
5
5
5
ns
tEHQZ Chip Enable High to Output Hi-Z
25
35
40
ns
tGHQZ Output Enable High to Output Hi-Z
25
35
40
ns
tAXQX Address Transition to Output Transition
10
5
5
ns
Figure 6. Read Mode AC Waveforms
A0-A10
E
G
DQ0-DQ7
Note: Write Enable (W) = High.
tAVQV
tELQV
tAVAV
VALID
tELQX
tGLQV
tGLQX
tAXQX
tEHQZ
tGHQZ
VALID
AI01330
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