Preliminary W78E378/W78C378/W78C374
D.C. Characteristics, continued
PARAMETER
SYM.
SPECIFICATION
MIN. TYP. MAX.
UNIT
TEST CONDITIONS
IL2
DD
Input Low Voltage
V
0
-
0.3
V
V
V
V
= 4.5V
DD
P3.0, P3.1, P4.4, P4.5
Input High Voltage
IH1
DD
DD
V
V
2.0
-
V
= 5.5V
P1, P2, P3 (except P3.0 &
+0.2
IN
IN
RESET
P3.1), P4.0, H , V ,
IH2
DD
DD
Input High Voltage
V
0.7
-
-
V
V
V
V
= 5.5V
DD
V
P3.0, P3.1, P4.4, P4.5
Input High Voltage
OSCIN
+0.2
IH3
DD
DD
V
V
3.5
V
= 5.5V
+0.2
Output
DD
V
Output Low Voltage
VOL1
-
-
0.45
V
= 4.5V
OL
I
= +12 mA
RESET
P1.0, P1.1,
DD
Output Low Voltage
P3.0, P3.1, P4.4, P4.5
Output Low Voltage
P1 (except P1.0 & P1.1)
VOL2
-
-
-
-
0.45
0.45
V
V
V
= 4.5V
OL
I
= +8 mA
DD
V
VOL3
= 4.5V
OL
I
= +4 mA
-
P2, P3 (except P3.0 P3.2)
P4 (except P4.4 & P4.5)
Output Low Voltage
P3.2, OSCOUT
DD
VOL4
VOH1
VOH2
VOH3
-
-
-
-
-
0.45
V
V
V
V
V
= 4.5V
OL
I
= +0.8 mA
DD
V = 4.5V
Output High Voltage
2.4
2.4
2.4
-
-
-
OH
-
m
= -100 A
P2, P3.2 P3.4
I
DD
V
Output High Voltage
= 4.5V
OH
P4 (except P4.4 & P4.5)
I
= -4 mA
DD
V
Special Function Output
High Voltage
= 4.5V
OH
I
= -4 mA
-
P2.0 P2.3, P3.3, P3.4
DD
Output High Voltage
OSCOUT
VOH4
2.4
-
-
V
V
= 4.5V
OH
I
= -3 mA
Notes:
*1.
has an internal pull-up resistor of about 30 K
.
RESET
W
*2. P2 and P3.2 P3.4 can source a transition current when they are being externally driven from 1 to 0. The transition current
-
reaches its maximum value when VIN is approximately 2V.
*3. P3.0, P3.1, P4.4, P4.5, HIN, VIN and
are Schmitt trigger inputs.
RESET
- 34 -