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