M28C64 データシートの表示（PDF） - STMicroelectronics
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M28C64 Datasheet PDF : 24 Pages
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M28C64
Table 9C. Read Mode AC Characteristics for M28C64-xxW (3V range)
(TA = 0 to 70 °C or –40 to 85 °C; VCC = 2.7 to 3.6 V)
Symbol Alt.
Parameter
Test
Condit
ion
-12
Min Max
M28C64-xxW
-15
-20
-25
Min Max Min Max Min Max
-30
Min Max
Unit
tAVQV
tACC
Address Valid to
Output Valid
E =VIL,
G = VIL
120
150
200
250
300 ns
tELQV
tCE
Chip Enable Low to
Output Valid
G = VIL
120
150
200
250
300 ns
tGLQV
tOE
Output Enable Low
to Output Valid
E = VIL
80
80
100
150
150 ns
tEHQZ1
tDF
Chip Enable High to
Output Hi-Z
G = VIL
0
45
0
50
0
55
0
60
0
60 ns
tGHQZ1
tDF
Output Enable High
to Output Hi-Z
E = VIL
0
45
0
50
0
55
0
60
0
60 ns
tAXQX
tOH
Address Transition
to Output Transition
E =VIL,
G = VIL
0
0
0
0
0
ns
Note: 1. Output Hi-Z is defined as the point at which data is no longer driven.
Figure 10. Read Mode AC Waveforms (with Write Enable, W, high)
A0-A12
E
G
DQ0-DQ7
Note: 1. Write Enable (W) = VIH
tAVQV
VALID
tAXQX
tGLQV
tEHQZ
tELQV
DATA OUT
tGHQZ
Hi-Z
AI00749B
11/24
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