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W741C260 Datasheet, PDF (36/92 Pages) Winbond – 4-BIT MICROCONTROLLER
W741C260
DC Characteristics, continue
PARAMETER
SYM.
CONDITIONS
LCD Supply Current
ILCD All Seg. ON
SEG0−SEG31 Sink Current IOL1 VOL = 0.4V
(Used as LCD Output)
VLCD = 0.0V
SEG0−SEG31 Drive Current IOH1 VOH = 2.4V
(Used as LCD Output)
VLCD = 3.0V
Segment Output Low
Voltage
VSL IOL = 0.6 mA
(Used as DC Output)
Segment Output High
Voltage
VSH IOH = 3 µA
(Used as DC Output)
Port RE Sink Current
IEL VOL = 0.9V
Port RE Source Current
IEH VOH = 2.4V
Input Port Pull-up Resistor RCD Port RC, RD
RES Pull-up Resistor
RRES
-
MIN.
-
0.4
TYP.
-
-
MAX.
6
-
UNIT
µA
µA
0.3
-
-
µA
-
-
0.4
V
2.4
-
-
V
9
13.5
-
mA
0.4 1.2
-
mA
100 350 1000 KΩ
20 100 500 KΩ
AC CHARACTERISTICS
(VDD−VSS = 3.0V, TA = 25° C, unless otherwise specified)
PARAMETER
SYM.
CONDITIONS
RC type
Op. Frequency
FOSC Crystal type 1 (Option low
speed type)
Crystal type 2 (Option
high speed type)
Frequency Deviation by
∆f
Voltage Drop for RC
Oscillator
f
f(3V) − f(2.4V)
f(3V)
Instruction Cycle Time
TI One machine cycle
Reset Active Width
TRAW FOSC = 32.768 KHz
Interrupt Active Width
TIAW FOSC = 32.768 KHz
MIN.
-
-
400
-
-
1
1
TYP.
-
32.768
-
-
4/FOSC
-
-
MAX.
4000
-
UNIT
KHz
4190
10
%
-
S
-
µS
-
µS
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