參數(shù)資料
型號(hào): W78C374B
廠商: WINBOND ELECTRONICS CORP
英文描述: MONITOR MICROCONTROLLER
中文描述: 顯示器單片機(jī)
文件頁(yè)數(shù): 34/38頁(yè)
文件大?。?/td> 396K
代理商: W78C374B
Preliminary W78E378/W78C378/W78C374
- 34 -
D.C. Characteristics, continued
PARAMETER
Input Low Voltage
P3.0, P3.1, P4.4, P4.5
Input High Voltage
P1, P2, P3
(except P3.0 &
P3.1), P4.0, H
IN
, V
IN
, RESET
Input High Voltage
P3.0, P3.1, P4.4, P4.5
Input High Voltage
OSCIN
Output
Output Low Voltage
SYM.
V
IL2
SPECIFICATION
MIN.
TYP.
0
UNIT
V
TEST CONDITIONS
V
DD
= 4.5V
MAX.
0.3
V
DD
-
V
IH1
2.0
-
V
DD
+0.2
V
V
DD
= 5.5V
V
IH2
0.7
V
DD
-
V
DD
+0.2
V
DD
+0.2
V
V
DD
= 5.5V
V
IH3
3.5
-
V
V
DD
= 5.5V
P1.0, P1.1, RESET
Output Low Voltage
P3.0, P3.1, P4.4, P4.5
Output Low Voltage
P1 (except P1.0 & P1.1)
P2, P3 (except P3.0
P3.2)
P4 (except P4.4 & P4.5)
Output Low Voltage
P3.2, OSCOUT
Output High Voltage
P2, P3.2
P3.4
Output High Voltage
P4 (except P4.4 & P4.5)
Special Function Output
High Voltage
P2.0
P2.3, P3.3, P3.4
Output High Voltage
OSCOUT
V
OL1
-
-
0.45
V
V
DD
= 4.5V
I
OL
= +12 mA
V
OL2
-
-
0.45
V
V
DD
= 4.5V
I
OL
= +8 mA
V
DD
= 4.5V
I
OL
= +4 mA
V
OL3
-
-
0.45
V
V
OL4
-
-
0.45
V
V
DD
= 4.5V
I
OL
= +0.8 mA
V
DD
= 4.5V
I
OH
= -100
μ
A
V
DD
= 4.5V
I
OH
= -4 mA
V
DD
= 4.5V
I
OH
= -4 mA
V
OH1
2.4
-
-
V
V
OH2
2.4
-
-
V
V
OH3
2.4
-
-
V
V
OH4
2.4
-
-
V
V
DD
= 4.5V
I
OH
= -3 mA
Notes:
*1.
RESET
has an internal pull-up resistor of about 30 K
.
*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 V
IN
is approximately 2V.
*3. P3.0, P3.1, P4.4, P4.5, H
IN
, V
IN
and RESET are Schmitt trigger inputs.
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