
PIC16F62X
DS40300C-page 138
Preliminary
2003 Microchip Technology Inc.
FIGURE 17-8:
RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP
TIMER TIMING
FIGURE 17-9:
BROWN-OUT DETECT TIMING
TABLE 17-6:
RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP
TIMER REQUIREMENTS
Param
No.
Sym
Characteristic
Min
Typ
Max
Units
Conditions
30
TmcL
MCLR Pulse Width (low)
2000
TBD
—
TBD
—
TBD
ns
ms
V
DD = 5V, -40°C to +85°C
Extended temperature
31
Twdt
Watchdog Timer Timeout Period
(No Prescaler)
7
TBD
18
TBD
33
TBD
ms
V
DD = 5V, -40°C to +85°C
Extended temperature
32
Tost
Oscillation Start-up Timer Period
—
1024T
OSC
——
T
OSC = OSC1 period
33*
Tpwrt
Power-up Timer Period
28
TBD
72
TBD
132
TBD
ms
V
DD = 5V, -40°C to +85°C
Extended temperature
34
TIOZ
I/O Hi-impedance from MCLR Low
or Watchdog Timer Reset
——
2.0
s
35
T
BOD
Brown-out Detect pulse width
100
—
sVDD ≤ VBOD (D005)
*
These parameters are characterized but not tested.
Data in “Typ” column is at 5.0V, 25
°C unless otherwise stated. These parameters are for design guidance only and are not
tested.
V
DD
MCLR
Internal
POR
PWRT
Timeout
OSC
Timeout
Internal
RESET
Watchdog
Timer
RESET
33
32
30
31
34
I/O Pins
34
V
DD
V
BOD
35