W742S81A Datasheet, PDF (37/47 Pages) Winbond – 4 BIT MICROCONTROLLER

W742S81A
7. ABSOLUTE MAXIMUM RATINGS
PARAMETER
RATING
UNIT
Supply Voltage to Ground Potential
-0.3 to +7.0
V
Applied Input/Output Voltage
-0.3 to +7.0
V
Power Dissipation
120
mW
Ambient Operating Temperature
0 to +70
°C
Storage Temperature
-55 to +150
°C
Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability of the
device.
8. DC CHARACTERISTICS
(VDD-VSS = 3.0 V, Fm = 3.58MHz, Fs = 32.768 KHz, Ta = 25° C, LCD on; unless otherwise specified)
PARAMETER
Op. Voltage (W742S81A)
Op. Current (Crystal type)
Op. Current (Crystal type)
Hold Current (Crystal type)
SYM
.
VDD
IOP1
IOP3
IHM1
CONDITIONS
-
No load (Ext-V)
In dual-clock normal
operation
No load (Ext-V)
In dual-clock slow operation
and Fm is stopped
Hold mode No load (Ext-V)
In dual-clock normal
operation
MIN.
2.4
-
-
-
Hold Current (Crystal type)
Stop Current (Crystal type)
Input Low Voltage
Input High Voltage
MFP Output Low Voltage
MFP Output High Voltage
Port RA, RB, RD and RF Output
Low Voltage
Port RA, RB, RD and RF Output
high Voltage
LCD Supply Current
IHM3
ISM1
VIL
VIH
VML
VMH
VABL
Hold mode No load (Ext-V)
In dual-clock slow operation
and Fm is stopped
Stop mode No load (Ext-V)
In dual-clock normal
operation
-
-
IOL = 3.5mA
IOH = 3.5mA
IOL = 2.0mA
-
-
VSS
0.7VDD
-
2.4
-
VABH
IOH = 2.0mA
2.4
ILCD
All Seg. ON
-
SEG0-SEG39 Sink Current
IOL1
VOL = 0.4V
90
(Used as LCD output)
VLCD = 0.0V
SEG0-SEG39 Drive Current
IOH1
VOH = 2.4V
90
TYP.
-
0.9
20
-
15
1
-
-
-
-
-
-
-
-
-
MAX.
5.5
2.5
30
450
30
2
0.3VDD
VDD
0.4
-
0.4
-
6
-
-
UNIT
V
mA
µA
µA
µA
µA
V
V
V
V
V
V
µA
µA
µA
Publication Release Date: March 2003
- 37 -
Revision A1