W541E261 Datasheet, PDF (10/13 Pages) Winbond – 4BIT MICROCONTROLLER, 2K ×16 ROM, 128 ×4 RAM 128 -DOT LCD

W541E/C261 DATA SHEET
Continued
PARAMETER
Port RA/RB Sink Current
Port RA/RB Source
Current
Port MFP Sink current
Port MFP Source current
Input Port Pull-up Resistor
SYM.
IABL
IABH
IML
IML
RCD
CONDITIONS
VOL = 0.4V
VOH = 2.4V
VOL = 0.4V
VOL = 2.4V
Port RC, RD
RES Pull-up Resistor
RRES
-
INT Pull-up Resistor
RINT
-
VPP Pull-down Resistor RVPP VDD = 5V
MODE Pull-down Resistor RMODE VDD = 5V
DATA Pull-down Resistor RDATA VDD = 5V
MIN.
3
1.5
3
3
100
100
100
0.5
0.5
50
TYP.
6
MAX.
-
UNIT
mA
3.0
-
mA
6
-
mA
6
-
mA
350 600 KΩ
150 200 KΩ
150 200 KΩ
1
1.5 MΩ
1
1.5 MΩ
100 150 KΩ
6. AC CHARACTERISTICS
(VDD−VSS = 3.0V, TA = 25° C, unless otherwise specified)
PARAMETER
SYM.
CONDITIONS
Op. Frequency
Frequency Deviation by
Voltage Drop for RC
Oscillator
Instruction Cycle Time
Reset Active Width
Interrupt Active Width
FOSC
RC type
Crystal type 1 (Option
low speed type)
Crystal type 2 (Option
high speed type)
Δf
f(3V) f(2.4V)
f
f(3V)
TI
TRAW1
TRAW2
TIAW
One machine cycle
Dual clock
Single colck
FOSC = 32.768 KHz
MIN.
-
TYP.
-
MAX
.
UNIT
4000
- 32.768 -
KHz
400
- 4000
-
-
25 %
-
4/FOSC -
S
1
-
-
μS
1
-
-
1
-
- μS
- 10 -