W78C354 Datasheet, PDF (39/44 Pages) Winbond – MONITOR MICROCONTROLLER

W78C354
Table4. Watchdog Interval
TWDT
CODE OPTION 3
FORMULA
Type-A
2¹⁹/FCLOCK
Type-B
2²¹/FCLOCK
Type-C
2²³/FCLOCK
Type-D
2²⁴/FCLOCK
16 MHz
32 mS
131 mS
524 mS
1048 mS
FCLOCK
18.432 MHz
28 mS
113 mS
452 mS
905 mS
20 MHz
26 mS
104 mS
417 mS
834 mS
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
MIN.
MAX.
UNIT
DC Power Supply
VCC−VSS
-0.3
+7.0
V
Input Voltage
VIN
VSS -0.3
VCC +0.3
V
Operating Temperature
TA
0
70
°C
Storage Temperature
TST
-55
+150
°C
Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability of the
device.
DC ELECTRICAL CHARACTERISTICS
VCC−VSS = 5V ± 10%, TA = 25° C, FOSC = 20 MHz, unless otherwise specified
PARAMETER
SYM.
CONDITIONS
Operating Voltage
Operating Current
Idle Current
Logic 0 Input Current
P1, P2, P3
(except P1.0 to P1.3,P1.5)
Input Current
RESET ^[*1]
Input Current
HIN, VIN ^[*2]
Input Leakage Current
P1.0 to P1.3, ADC0 to
ADC3
VDD
IDD
IIDLE
IIN1
No load, VDD = 5.5V
Idle mode, VDD = 5.5V
VDD = 5.5V
VIN = 0V
IIN2 VDD = 5.5V
VIN = 0V
IIN3 VDD = 5.5V
VIN = VDD
ILK VDD = 5.5V
0V < VIN < VDD
MIN.
4.5
-
-
-75
-250
-
-10
TYP
.
5
-
-
-
-
-
-
MAX.
5.5
65
30
-10
-
+30
+10
UNIT
V
mA
mA
µA
µA
µA
µA
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Publication Release Date: October 1996
Revision A1