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M87C257 DC and AC parameters
13/22
Table 6. Capacitance
(1)
(2)
1. T
A
= 25 °C, f = 1 MHz
2. Sampled only, not 100% tested.
Symbol Parameter Test Condition Min Max Unit
C
IN
Input Capacitance V
IN
= 0V 6 pF
C
OUT
Output Capacitance V
OUT
= 0V 12 pF
Table 7. Read mode DC characteristics
(1)
(2)
1. T
A
= 0 to 70 °C, –40 to 85 °C; –40 to 105 °C or –40 to 125 °C; V
CC
= 5V ± 5% or 5V ± 10%; V
PP
= V
CC
2. V
CC
must be applied simultaneously with or before V
PP
and removed simultaneously or after V
PP
.
Symbol Parameter Test Condition Min Max Unit
I
LI
Input Leakage Current 0V ≤
V
IN
≤ V
CC
±10 µA
I
LO
Output Leakage Current 0V ≤ V
OUT
≤ V
CC
±10 µA
I
CC
Supply Current
E
= V
IL
, G = V
IL
,
I
OUT
= 0mA, f = 5MHz
30 mA
I
CC1
Supply Current
(Standby) TTL
E
= V
IH,
ASV
PP
= V
IH
, Address
Switching
10 mA
E
= V
IH,
ASV
PP
= V
IL
, Address
Stable
1mA
I
CC2
Supply Current
(Standby) CMOS
E
> V
CC
– 0.2V, ASV
PP
≥
V
CC
–
0.2V, Address Switching
6mA
E
> V
CC
– 0.2V, ASV
PP
=
V
SS
,
Address Stable
100 µA
I
PP
Program Current V
PP
= V
CC
100 µA
V
IL
Input Low Voltage –0.3 0.8 V
V
IH
(3)
3. Maximum DC voltage on Output is V
CC
+0.5V.
Input High Voltage 2 V
CC
+ 1 V
V
OL
Output Low Voltage I
OL
= 2.1mA 0.4 V
V
OH
Output High Voltage I
OH
= –1mA V
CC
– 0.8V V
Table 8. Programming mode DC characteristics
(1)
(2)
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
.
Symbol Parameter Test Condition 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 V
CC
– 0.8 V
V
ID
A9 Voltage 11.5 12.5 V
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