Microchip Technology AC164337 Data Sheet

Page of 286
 2006-2014 Microchip Technology Inc.
DS70000178D-page 247
dsPIC30F1010/202X
                               
TABLE 21-18: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER, POWER-UP TIMER 
AND TIMING REQUIREMENTS
AC CHARACTERISTICS
Standard Operating Conditions: 3.3V and 5.0V (±10%)
(unless otherwise stated)
Operating temperature
-40°C 
 T
A
 
 +85°C for Industrial 
-40°C 
 T
A
 
 +125°C for Extended 
Param
No.
Symbol
Characteristic
(1)
Min
Typ
(2)
Max
Units
Conditions
SY10
T
MC
L
MCLR Pulse Width (low)
s
 -40°C to +125°C
SY11
T
PWRT
Power-up Timer Period
0.75
1.5
3
6
12
24
48
96
1
2
4
8
16
32
64
128
1.25
2.5
5
10
20
40
80
160
ms 
 -40°C to +125°C,
user programmable
SY12
T
POR
Power-on Reset Delay
3
10
30
s
 -40°C to +125°C
SY13
T
IOZ
I/O High-impedance from MCLR 
Low or Watchdog Timer Reset
0.8
1.0
s
SY20
T
WDT
1
Watchdog Timer Time-out Period 
(No Prescaler)
1.4
2.1
2.8
ms
V
DD
 = 5V, 
-40°C to +125°C
T
WDT
2
1.4
2.1
2.8
ms
V
DD
 = 3.3V, 
-40°C to +125°C
SY30
T
OST
Oscillation Start-up Timer Period
1024 T
OSC
T
OSC
 = OSC1 period
SY35
T
FSCM
Fail-Safe Clock Monitor Delay
500
s
-40°C to +125°C
Note 1:
These parameters are characterized but not tested in manufacturing.
2:
Data in “Typ” column is at 5V, +25°C unless otherwise stated.