M27C512
Table 9. Read Mode AC Characteristics
M27C512
-10
Min Max Min Max Min Max Min Max
(1)
Symbol Alt
Parameter
-12
-15/-20/-25 Unit
Test Condition
-90
Address Valid to
Output Valid
t
t
t
t
E = V , G = V
90
90
40
30
30
100
100
40
120
120
50
150
150
60
ns
ns
ns
ns
ns
ns
AVQV
ACC
IL
IL
Chip Enable Low to
Output Valid
t
G = V
ELQV
CE
IL
Output Enable Low
to Output Valid
t
E = V
IL
GLQV
OE
Chip Enable High
to Output Hi-Z
(2)
t
t
t
G = V
0
0
0
0
0
0
30
0
0
0
40
0
0
0
50
t
DF
DF
IL
EHQZ
Output Enable
High to Output Hi-Z
(2)
E = V
30
40
50
t
IL
GHQZ
Address Transition
to Output Transition
t
E = V , G = V
IL IL
AXQX
OH
Note: 1. V must be applied simultaneously with or before V and removed simultaneously or after V .
PP
CC
PP
2. Sampled only, not 100% tested.
Figure 9. Read Mode AC Waveforms
VALID
tGLQV
VALID
A0-A15
tAVQV
tAXQX
E
tEHQZ
tGHQZ
G
tELQV
Hi-Z
Q0-Q7
AI00735B
12/22
STMICROELECTRONICS [ ST ]
