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參數資料
型號: W741L260
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, PQFP80
封裝: QFP-80
文件頁數: 35/90頁
文件大小: 480K
代理商: W741L260
W741L260
Publication Release Date: March 1998
- 35 -
Revision A2
DC Characteristics, continue
PARAMETER
SYM.
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Port RA, RB Output Low Voltage
V
ABL
I
OL
= 1.0 mA
-
0.2
0.3
V
Port RA, RB Output High Voltage
V
ABH
I
OH
= 0.5 mA
1.2
1.4
-
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
= 0.05V
V
LCD
= 0.0V
6
12
-
SEG0
SEG31 Drive Current
(Used as LCD Output)
I
OH1
V
OH
= 4.45V
V
LCD
= 4.5V
1.5
12
-
μ
A
Segment Output Low Voltage
(Used as DC Output)
V
SL
I
OL
= 150
μ
A
-
0.1
0.15
V
Segment Output High Voltage
(Used as DC Output)
V
SH
I
OH
= 1
μ
A
1.35
1.4
-
V
Port RE Sink Current
I
EL
V
OL
= 0.3V
2
3.5
-
mA
Port RE Source Current
I
EH
V
OH
= 1.2V
0.35
0.45
-
mA
Input Port Pull-up Resistor
R
CD
Port RC, RD
500
1000
1500
K
K
RES
Pull-up Resistor
R
RES
-
200
500
800
AC CHARACTERISTICS
(V
DD
V
SS
= 1.5V, T
A
= 25
°
C, unless otherwise specified)
PARAMETER
SYM.
CONDITIONS
MIN.
TYP.
MAX.
UNIT
RC type
-
-
1000
Op. Frequency
F
OSC
Crystal type (Option low
speed type only)
-
32.768
-
KHz
Frequency Deviation by
Voltage Drop for RC
Oscillator
f
f
f(1.5V)
f(1.2V)
f(1.5V)
-
-
10
%
Oscillator Start-up Time
T
S
V
DD
=1.2 V,
F
OSC
=32.768 KHz
-
1
2
S
Instruction Cycle Time
T
I
One machine cycle
-
4/F
OSC
-
S
Reset Active Width
T
RAW
F
OSC
= 32.768 KHz
1
-
-
μ
S
μ
S
Interrupt Active Width
T
IAW
F
OSC
= 32.768 KHz
1
-
-
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