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參數資料
型號: W741E260
廠商: WINBOND ELECTRONICS CORP
元件分類: 微控制器/微處理器
英文描述: 4-BIT FLASH MICROCONTROLLER
中文描述: 4-BIT, FLASH, 4.19 MHz, MICROCONTROLLER, PQFP80
封裝: QFP-80
文件頁數: 38/94頁
文件大小: 554K
代理商: W741E260
W741E260
- 38 -
DC Characteristics, continued
PARAMETER
SYM.
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Input High Voltage
V
IH
-
0.7
V
DD
-
V
DD
V
MFP Output Low Voltage
V
ML
I
OL
= 3.5 mA
-
-
0.4
V
MFP Output High Voltage
V
MH
I
OH
= 3.5 mA
2.4
-
-
V
Port RA, RB Output Low
Voltage
V
ABL
I
OL
= 2.0 mA
-
-
0.4
V
Port RA, RB Output high
Voltage
V
ABH
I
OH
= 2.0 mA
2.4
-
-
V
LCD Supply Current
I
LCD
All Seg. ON
-
-
6
μ
A
μ
A
SEG0-SEG31 Sink
Current
(Used as LCD output)
I
OL1
V
OL
= 0.4V
V
LCD
= 0.0V
0.4
-
-
SEG0-SEG31 Drive
Current
(Used as LCD output)
I
OH1
V
OH
= 2.4V
V
LCD
= 3.0V
0.3
-
-
μ
A
Segment output low
voltage
(Used as DC output)
V
SL
I
OL
= 0.6 mA
-
-
0.4
V
Segment output high
voltage
(Used as DC output)
V
SH
I
OH
= 3
μ
A
2.4
-
-
V
Port RE Sink Current
I
EL
V
OL
= 0.9V
9
-
-
mA
Port RE Source Current
I
EH
V
OH
= 2.4V
0.4
1.2
-
mA
Input Port Pull-up Resistor R
CD
Port RC, RD
100
350
1000
K
K
INT
Pull-up Resistor
R
INT
-
50
250
1000
RES
Pull-up Resistor
R
RES
-
20
100
500
K
VPP Pull-down Resistor
R
VPP
V
DD
= 5V
1.5
2
2.5
M
M
K
MODE Pull-down Resistor
R
MODE
V
DD
= 5V
1.5
2
2.5
DATA Pull-down Resistor
R
DATA
V
DD
= 5V
50
100
150
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