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PIC16F628-20/SS датащи(PDF) 141 Page - Microchip Technology

номер детали PIC16F628-20/SS
подробное описание детали  FLASH-Based 8-Bit CMOS Microcontrollers
PDF  160 Pages
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производитель  MICROCHIP [Microchip Technology]
домашняя страница  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16F628-20/SS датащи(HTML) 141 Page - Microchip Technology

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© 1999 Microchip Technology Inc.
Preliminary
DS40300B-page 141
PIC16F62X
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
Parameter
No.
Sym
Characteristic
Min
Typ†
Max
Unit
s
Conditions
30
TmcL
MCLR Pulse Width (low)
2000
TBD
—
TBD
—
TBD
ns
ms
VDD = 5V, -40°C to +85°C
Extended temperature
31
Twdt
Watchdog Timer Time-out Period
(No Prescaler)
7
TBD
18
TBD
33
TBD
ms
ms
VDD = 5V, -40°C to +85°C
Extended temperature
32
Tost
Oscillation Start-up Timer Period
—
1024TOSC
——
TOSC = OSC1 period
33*
Tpwrt
Power up Timer Period
28
TBD
72
TBD
132
TBD
ms
ms
VDD = 5V, -40°C to +85°C
34
TIOZ
I/O Hi-impedance from MCLR Low
or Watchdog Timer Reset
——
2.0
µs
35
TBOD
Brown-out Detect pulse width
100
—
—
µsVDD ≤ BVDD (D005)
VDD
MCLR
Internal
POR
PWRT
Timeout
OSC
Timeout
Internal
RESET
Watchdog
Timer
RESET
33
32
30
31
34
I/O Pins
34
VDD
BVDD
35



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