
Preliminary W78LE51
- 12 -
DC CHARACTERISTICS
V
SS
= 0V, T
A
= 25
°
C, unless otherwise specified.
PARAMETER
SYM.
SPECIFICATION
MIN.
2.4
-
-
-
-
-
-
-50
UNIT
TEST CONDITIONS
MAX.
5.5
20
3
6
1.5
50
20
+10
Operating Voltage
Operating Current
V
DD
I
DD
V
mA
mA
mA
mA
μ
A
μ
A
μ
A
No load V
DD
= 5.5V
No load V
DD
= 2.4V
V
DD
= 5.5V, Fosc = 20 MHz
V
DD
= 2.4V, Fosc = 12 MHz
V
DD
= 5.5V, Fosc = 20 MHz
V
DD
= 2.4V, Fosc = 12 MHz
V
DD
= 5.5V
V
IN
= 0V or V
DD
V
DD
= 5.5V
0 < V
IN
< V
DD
V
DD
= 5.5V
0V < V
IN
< V
DD
Idle Current
I
IDLE
Power Down Current
I
PWDN
Input Current
P1, P2, P3, P4
Input Current
RST
Input Leakage Current
P0,
EA
Logic 1 to 0 Transition
Current
P1, P2, P3, P4
Input Low Voltage
I
IN1
I
IN2
-10
+300
μ
A
I
LK
-10
+10
μ
A
I
TL
[*4]
-500
-
μ
A
V
DD
= 5.5V
V
IN
= 2.0V
V
IL1
0
0
0.8
0.5
V
V
V
DD
= 4.5V
V
DD
= 2.4V
P0, P1, P2, P3, P4,
EA
Input Low Voltage
RST[*1]
Input Low Voltage
XTAL1 [*3]
Input High Voltage
V
IL2
0
0
0
0
0.8
0.3
0.8
0.6
V
V
V
V
V
V
V
DD
= 4.5V
V
DD
= 2.4V
V
DD
= 4.5V
V
DD
= 2.4V
V
DD
= 5.5V
V
DD
= 2.4V
V
IL3
V
IH1
2.4
1.4
V
DD
+0.2
V
DD
+0.2
P0, P1, P2, P3, P4,
EA
Input High Voltage
RST[*1]
Input High Voltage
XTAL1 [*3]
Output Low Voltage
P1, P2, P3, P4
Output Low Voltage
V
IH2
3.5
1.7
3.5
1.6
-
-
-
-
V
DD
+0.2
V
DD
+0.2
V
DD
+0.2
V
DD
+0.2
0.45
0.25
0.45
0.25
V
V
V
V
V
V
V
V
V
DD
= 5.5V
V
DD
= 2.4V
V
DD
= 5.5V
V
DD
= 2.4V
V
DD
= 4.5V, I
OL
= +2 mA
V
DD
= 2.4V, I
OL
= +1 mA
V
DD
= 4.5V, I
OL
= +4 mA
V
DD
= 2.4V, I
OL
= +2 mA
V
IH3
V
OL1
V
OL2
P0, ALE, PSEN [*2]
Sink Current
P1, P2, P3, P4
I
SK1
4
12
5.4
mA
mA
V
DD
= 4.5V, Vin = 0.45V
V
DD
= 2.4V, Vin = 0.45V
1.8