PIC16F676-I Datasheet, PDF (100/132 Pages) Microchip Technology – 14-Pin, Flash-Based 8-Bit CMOS Microcontrollers

PIC16F630/676
TABLE 12-4: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER, POWER-UP TIMER,
AND BROWN-OUT DETECT REQUIREMENTS
Param
No.
Sym
Characteristic
Min Typ† Max Units
Conditions
30
TMCL _{MCLR Pulse Width (low)}
31
TWDT Watchdog Timer Time-out
Period
(No Prescaler)
32
TOST Oscillation Start-up Timer
Period
33* TPWRT Power-up Timer Period
2
—
— s VDD = 5V, -40°C to +85°C
11
18
24 ms Extended temperature
10
17
25 ms VDD = 5V, -40°C to +85°C
10
17
30 ms Extended temperature
— 1024TOSC — — TOSC = OSC1 period
28*
TBD
72
TBD
132* ms VDD = 5V, -40°C to +85°C
TBD ms Extended Temperature
34
TIOZ I/O High-impedance from
—
—
2.0 s
MCLR Low or Watchdog Timer
Reset
BVDD Brown-out Detect Voltage
2.025
—
2.175 V
Brown-out Hysteresis
TBD
—
——
35
TBOD Brown-out Detect Pulse Width 100*
—
— s VDD  BVDD (D005)
* These parameters are characterized but not tested.
† Data in “Typ” column is at 5V, 25°C unless otherwise stated. These parameters are for design guidance only
and are not tested.
DS40039F-page 100
 2010 Microchip Technology Inc.