W541C240 Datasheet, PDF (8/10 Pages) Winbond – 4-BIT MICROCONTROLLER

W541C240
DC Characteristics, continued
PARAMETER
SEG0−SEG23 Sink Current
(work as LCD output pins)
SEG0−SEG23 Drive Current
(work as LCD output pins)
Input Port Pull-up Resistor
RES Pull-up Resistor
SYM. CONDITIONS
IOL
VOL = 0.4V
VLCD = 0.0V
IOH
VOH = 2.4V
VLCD = 3.0V
RC Port RC
RRES
-
MIN.
4
TYP.
-
MAX.
-
UNIT
µA
15
-
-
µA
100
350 1000
KΩ
20
100
500
KΩ
6.3 AC Characteristics
(VDD−VSS = 3.0V, TA = 25° C; unless otherwise specified)
PARAMETER
SYM.
CONDITIONS
Op. Frequency
FOSC RC type
Crystal type (Option low-
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
MIN.
-
-
-
-
1
TYP. MAX.
-
1000
32.768 -
-
10
4/FOSC -
-
-
UNIT
KHz
%
mS
µS
-8-