W541C250 Datasheet, PDF (8/10 Pages) Winbond – 4-BIT MICROCONTROLLER

W541C250
DC Characteristics, continued
PARAMETER
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
Pull-up Resistor
INT Pull-up Resistor
RES Pull-up Resistor
SYM.
VSL
VSH
IEL
IEH
RCD
RINT
RRES
CONDITIONS
IOL = 0.6 mA
IOH = -0.3 µA
VOL = 0.9V
VOH = 2.4V
Port RC, RD
-
-
MIN.
-
TYP.
-
MAX. UNIT
0.4
V
2.4
-
-
V
7.5
-
-
mA
-0.4 -1.2
-
mA
100 350 1000 KΩ
50
250 1000 KΩ
20
100 500
KΩ
6.3 AC Characteristics
(VDD−VSS = 3V, 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)
Instruction Cycle Time
TI One machine cycle
Reset Active Width
TRAW FOSC = 32.768 KHz
Interrupt Active Width
TIAW FOSC = 32.768 KHz
MIN.
-
TYP. MAX. UNIT
-
4000
- 32.768 - KHz
400
-
3580
-
4/FOSC -
mS
1
-
-
µS
1
-
-
µS
-8-