DC and AC parameters M27C512
14/22
Figure 7. Read mode AC waveforms
AI00735B
tAXQX
tEHQZ
A0-A15
E
G
Q0-Q7
tAVQV
tGHQZ
tGLQV
tELQV
VALID
Hi-Z
VALID
Table 11. Programming mode DC characteristics
Symbol Parameter Test Condition
(1)(2)
Min Max Unit
I
LI
Input Leakage Current V
IL
≤ V
IN
≤ V
IH
±10 µA
I
CC
Supply Current 50 mA
I
PP
Program Current E = V
IL
50 mA
V
IL
Input Low Voltage –0.3 0.8 V
V
IH
Input High Voltage 2 V
CC
+ 0.5 V
V
OL
Output Low Voltage I
OL
= 2.1mA 0.4 V
V
OH
Output High Voltage TTL I
OH
= –1mA 3.6 V
V
ID
A9 Voltage 11.5 12.5 V
1. T
A
= 25 °C; V
CC
= 6.25V ± 0.25V; V
PP
= 12.75V ± 0.25V
2. V
CC
must be applied simultaneously with or before V
PP
and removed simultaneously or after V
PP
.
Table 12. Margin Mode AC Characteristics
Symbol Alt Parameter
Test
Condition
(1)(2)
Min Max Unit
t
A9HVPH
t
AS9
V
A9
High to V
PP
High 2 µs
t
VPHEL
t
VPS
V
PP
High to Chip Enable Low 2 µs
t
A10HEH
t
AS10
V
A10
High to Chip Enable High (Set) 1 µs
t
A10LEH
t
AS10
V
A10
Low to Chip Enable High (Reset) 1 µs
t
EXA10X
t
AH10
Chip Enable Transition to V
A10
Transition
1µs
t
EXVPX
t
VPH
Chip Enable Transition to V
PP
Transition
2µs
t
VPXA9X
t
AH9
V
PP
Transition to V
A9
Transition 2 µs
1. T
A
= 25 °C; V
CC
= 6.25V ± 0.25V; V
PP
= 12.75V ± 0.25V
2. V
CC
must be applied simultaneously with or before V
PP
and removed simultaneously or after V
PP
.
