M48Z09PC View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
M48Z09PC Datasheet PDF : 13 Pages
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M48Z09, M48Z19
Table 9. Write Mode AC Characteristics (TA = 0 to 70°C; VCC = 4.75V to 5.5V or 4.5V to 5.5V)
Symbol
Parameter
M48Z09 / 19
-100
Min
Max
tAVAV
Write Cycle Time
100
tAVWL
Address Valid to Write Enable Low
0
tAVE1L
Address Valid to Chip Enable 1 Low
0
tAVE2H
Address Valid to Chip Enable 2 High
0
tWLWH
Write Enable Pulse Width
80
tE1LE1H
Chip Enable 1 Low to Chip Enable 1 High
80
tE2HE2L
Chip Enable 2 High to Chip Enable 2 Low
80
tWHAX
Write Enable High to Address Transition
10
tE1HAX
Chip Enable 1 High to Address Transition
10
tE2LAX
Chip Enable 2 Low to Address Transition
10
tDVWH
Input Valid to Write Enable High
50
tDVE1H
Input Valid to Chip Enable 1 High
50
tDVE2L
Input Valid to Chip Enable 2 Low
50
tWHDX
Write Enable High to Input Transition
5
tE1HDX
Chip Enable 1 High to Input Transition
5
tE2LDX
tWLQZ (1, 2)
Chip Enable 2 Low to Input Transition
Write Enable Low to Output Hi-Z
5
50
tAVWH
Address Valid to Write Enable High
80
tAVE1H
Address Valid to Chip Enable 1 High
80
tAVE2L
Address Valid to Chip Enable 2 Low
80
tWHQX (1, 2)
Write Enable High to Output Transition
10
Notes: 1. CL= 30pF (see Figure 4).
2. If E1 goes low or E2 high 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
ns
ns
ns
ns
ns
ns
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