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16F628 Datasheet(PDF) 144 Page - Microchip Technology

Part # 16F628
Description  FLASH-Based 8-Bit CMOS Microcontrollers
PDF  168 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

16F628 Datasheet(HTML) 144 Page - Microchip Technology

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PIC16F627A/628A/648A
DS40044A-page 142
Preliminary
 2002 Microchip Technology Inc.
FIGURE 17-6:
RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP
TIMER TIMING
FIGURE 17-7:
BROWN-OUT DETECT TIMING
CLKOUT
↑
PIC16LF62X
Tosc+400 ns*
—
—
ns
16
TckH2ioI
Port in hold after CLKOUT
↑
0
—
—
ns
17
TosH2ioV
OSC1
↑ (Q1 cycle) to
PIC16F62X
—
50
150*
ns
Port out valid
PIC16LF62X
—
—
300*
ns
Parameter
No.
Sym
Characteristic
Min
Typ†
Max
Units
18
TosH2ioI
OSC1
↑ (Q2 cycle) to Port input invalid
(I/O in hold time)
100*
200*
——
ns
* 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
Time out
OST
Time out
Internal
RESET
Watchdog
Timer
RESET
33
32
30
31
34
I/O Pins
34
V
DD
V
BOR
35



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