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參數資料
型號: W77E468
廠商: WINBOND ELECTRONICS CORP
元件分類: 8位微控制器
英文描述: 8 BIT MICROCONTROLLER
中文描述: 8位微控制器
文件頁數: 77/84頁
文件大小: 531K
代理商: W77E468
Preliminary W77E468
Publication Release Date: January 1999
- 77 - Revision A1
DC Electrical Characteristics, continued
Parameter
Symbol
Specification
Min.
Max.
-50
Test Conditions
Input Current
P1, P2, P3, P4, P5, P6
Input Current
RST
[*1]
Input Leakage Current
P0,
EA
Logic 1 to 0 Transition Current
P1, P2, P3, P4, P5, P6
Input Low Voltage
P0, P1, P2, P3, P4, P5, P6,
EA
Input Low Voltage
RST
[*1]
Input Low Voltage
XTAL1
[*3]
Input High Voltage
P0, P1, P2, P3, P4, P5, P6,
EA
Input High Voltage
RST
Input High Voltage
XTAL1
[*3]
Output Low Voltage
P1, P2, P3, P4, P5, P6
Output Low Voltage
P0, ALE, PSEN
[*2]
Output High Voltage
P1, P2, P3, P4, P5, P6
Output High Voltage
P0, ALE, PSEN
[*2]
I
IN1
+10
μ
A
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
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
DD
= 4.5V
V
IL1
0
0.8
V
V
IL2
0
0.8
V
V
DD
= 4.5V
V
IL3
0
0.8
V
V
DD
= 4.5V
V
IH1
2.4
V
DD
+0.2
V
V
DD
= 5.5V
V
IH2
3.5
V
DD
+0.2
V
V
DD
= 5.5V
V
IH3
3.5
V
DD
+0.2
V
V
DD
= 5.5V
V
OL1
-
0.45
V
V
DD
= 4.5V
I
OL
= +2 mA
V
DD
= 4.5V
I
OL
= +4 mA
V
OL2
-
0.45
V
V
OH1
2.4
-
V
V
DD
= 4.5V
I
OH
= -100
μ
A
V
DD
= 4.5V
I
OH
= -400
μ
A
V
OH2
2.4
-
V
Notes:*1. RST pin is a Schmitt trigger input.
*2. ALE and
PSEN
are tested in the external access mode.
*3. XTAL1 is a CMOS input.
*4. Pins of P1, P2, P3, P4, P5, P6 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
approximates to 2V.
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