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參數(shù)資料
型號(hào): W741C260
廠商: WINBOND ELECTRONICS CORP
元件分類: 微控制器/微處理器
英文描述: 4-BIT Microcontroller(多次可編程4位的微控制器)
中文描述: 4-BIT, MROM, 4.19 MHz, MICROCONTROLLER, PQFP80
封裝: QFP-80
文件頁數(shù): 36/92頁
文件大小: 488K
代理商: W741C260
W741C260
- 36 -
DC Characteristics, continue
PARAMETER
LCD Supply Current
SYM.
I
LCD
I
OL1
CONDITIONS
All Seg. ON
V
OL
= 0.4V
V
LCD
= 0.0V
MIN.
-
0.4
TYP.
-
-
MAX.
6
-
UNIT
μ
A
μ
A
SEG0
SEG31 Sink Current
(Used as LCD Output)
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
13.5
-
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
RES
Pull-up Resistor
R
RES
-
20
100
500
AC CHARACTERISTICS
(V
DD
V
SS
= 3.0V, T
A
= 25
°
C, unless otherwise specified)
PARAMETER
SYM.
CONDITIONS
MIN.
TYP.
MAX.
UNIT
RC type
-
-
4000
Op. Frequency
F
OSC
Crystal type 1 (Option low
speed type)
-
32.768
-
KHz
Crystal type 2 (Option
high speed type)
400
-
4190
Frequency Deviation by
Voltage Drop for RC
Oscillator
f
f
f(3V) f(2.4V)
f(3V)
-
-
10
%
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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