參數(shù)資料
型號: W78E58BF
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(shù): 19/31頁
文件大?。?/td> 419K
代理商: W78E58BF
W78E58B
Publication Release Date: March 18, 2002
- 19 -
Revision A3
DC Characteristics, continued
PARAMETER
SYM.
SPECIFICATION
TEST CONDITIONS
MIN.
0
MAX.
0.8
UNIT
V
Input Low Voltage
P0, P1, P2, P3, P4, EA
Input Low Voltage
RST
Input Low Voltage
XTAL1
[*4]
Input High Voltage
P0, P1, P2,
P3, P4, EA
Input High Voltage
RST
Input High Voltage
XTAL1
[*4]
Output Low Voltage
P1, P2, P3, P4
Output Low Voltage
P0, ALE, PSEN
[*3]
V
IL1
V
DD
= 4.5V
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
Sink current
P1, P3, P4
Sink current
P0, P2, ALE, PSEN
Isk1
4
12
mA
V
DD
= 4.5V
V
IN
= 0.45V
V
DD
= 4.5V
V
IN
= 0.45V
V
DD
= 4.5V
I
OH
= -100
μ
A
V
DD
= 4.5V
I
OH
= -400
μ
A
Isk2
10
20
mA
Output High Voltage
P1, P2, P3, P4
V
OH1
2.4
-
V
Output High Voltage
P0, ALE, PSEN
[*3]
V
OH2
2.4
-
V
Source Current
P1, P2, P3, P4
Source Current
Isr1
-120
-250
μ
A
V
DD
= 4.5V
V
IN
= 2.4V
V
DD
= 4.5V
V
IN
= 2.4V
P0, P2, ALE, PSEN
Isr2
-8
-20
mA
Notes:
*1. RST pin is a Schmitt trigger input.
*2. P0, ALE and PSEN are tested in the external access mode.
*3. XTAL1 is a CMOS input.
*4. Pins of P1, P2, P3, P4 can source a transition current when they are being externally driven from 1 to 0.
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