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參數資料
型號: W741L250
廠商: WINBOND ELECTRONICS CORP
元件分類: 微控制器/微處理器
英文描述: 4-BIT MICROCONTROLLER
中文描述: 4-BIT, MROM, 1 MHz, MICROCONTROLLER, PQFP64
封裝: 14 X 20 MM, QFP-64
文件頁數: 32/86頁
文件大小: 478K
代理商: W741L250
W741L250
- 32 -
DC CHARACTERISTICS
(V
DD
V
SS
= 1.5V, F
OSC
. = 32.768 KHz, T
A
= 25
°
C; unless otherwise specified)
PARAMETER
Op. Voltage
Op. Current (Crystal type)
Op. Current (RC type)
Hold Current (Crystal type)
SYM.
V
DD
I
OP1
I
OP2
I
HM1
CONDITIONS
-
No load (Ext-V)
No load (Ext-V)
Hold mode
No load (Ext-V)
Hold mode
No load (Ext-V)
Stop mode
No load (Ext-V)
Stop mode
No load (Ext-V)
MIN.
1.2
-
-
-
TYP.
-
4
35
3
MAX.
1.8
12
65
6
UNIT
V
μ
A
μ
A
μ
A
Hold Current (RC type)
I
HM2
-
16
40
μ
A
Stop Current (Crystal type)
I
SM1
-
0.1
2
μ
A
Stop Current (RC type)
I
SM2
-
0.1
2
μ
A
Input Low Voltage
Input High Voltage
MFP Output Low Voltage
MFP Output High Voltage
Port RA, RB Output Low
Voltage
Port RA, RB Output High
Voltage
LCD Supply Current
V
IL
V
IH
V
ML
V
MH
V
ABL
-
-
V
SS
-
-
-
-
-
0.3 V
DD
V
DD
0.3
-
0.3
V
V
V
V
V
0.7 V
DD
-
1.2
-
I
OL
= 0.9mA
I
OH
= -0.75mA
I
OL
= 1.0mA
V
ABH
I
OH
= -0.5mA
1.2
-
-
V
I
LCD
I
OL
All Seg. On
V
OL
= 0.05V
V
LCD
= 0.0V
-
6
-
-
3
-
μ
A
μ
A
SEG0
SEG23 Sink Current
(work as LCD output pins)
SEG0
SEG23 Drive Current
(work as LCD output pins)
SEG0
SEG23 Output Low
Voltage (work as DC output
pins)
SEG0
SEG23 Output High
Voltage (work as DC output
pins)
Port RE Sink Current
Port RE Source Current
Input Port Pull-up Resistor
I
OH
V
OH
= 4.45V
V
LCD
= 4.5V
1.5
-
-
μ
A
V
SL
I
OL
= 150
μ
A
-
-
0.15
V
V
SH
I
OH
= -1.0
μ
A
1.35
-
-
V
I
EL
I
EH
R
CD
R
INT
V
OL
= 0.3V
V
OH
= 1.2V
Port RC, RD
-
-
-
2
-
mA
mA
K
K
0.35
500
500
1000
1000
1500
1500
INT
Pull-up Resistor
-
RES
Pull-up Resistor
R
RES
-
200
500
800
K
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