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PIC16F676-E/ST Datasheet(PDF) 98 Page - Microchip Technology

Part # PIC16F676-E/ST
Description  14-Pin FLASH-Based 8-Bit CMOS Microcontrollers
PDF  130 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16F676-E/ST Datasheet(HTML) 98 Page - Microchip Technology

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PIC16F630/676
DS40039E-page 96
© 2007 Microchip Technology Inc.
FIGURE 12-6:
CLKOUT AND I/O TIMING
TABLE 12-3:
CLKOUT AND I/O TIMING REQUIREMENTS
OSC1
CLKOUT
I/O pin
(Input)
I/O pin
(Output)
Q4
Q1
Q2
Q3
10
13
14
17
20, 21
22
23
19
18
15
11
12
16
Old Value
New Value
Param
No.
Sym
Characteristic
Min
Typ†
Max
Units
Conditions
10
TosH2ckL
OSC1
↑ to CLOUT↓
—
75
200
ns
(Note 1)
11
TosH2ckH OSC1
↑ to CLOUT↑
—
75
200
ns
(Note 1)
12
TckR
CLKOUT rise time
—
35
100
ns
(Note 1)
13
TckF
CLKOUT fall time
—
35
100
ns
(Note 1)
14
TckL2ioV
CLKOUT
↓ to Port out valid
—
—
20
ns
(Note 1)
15
TioV2ckH
Port in valid before CLKOUT
↑
TOSC + 200 ns
—
—
ns
(Note 1)
16
TckH2ioI
Port in hold after CLKOUT
↑
0
—
—
ns
(Note 1)
17
TosH2ioV
OSC1
↑ (Q1 cycle) to Port out valid
—
50
150 *
ns
—
—
300
ns
18
TosH2ioI
OSC1
↑ (Q2 cycle) to Port input
invalid (I/O in hold time)
100
—
—
ns
19
TioV2osH
Port input valid to OSC1
↑
(I/O in setup time)
0—
—
ns
20
TioR
Port output rise time
—
10
40
ns
21
TioF
Port output fall time
—
10
40
ns
22
Tinp
INT pin high or low time
25
—
—
ns
23
Trbp
PORTA change INT high or low
time
TCY
——
ns
* These parameters are characterized but not tested.
† Data in ‘Typ’ column is at 5.0V, 25
°C unless otherwise stated.
Note 1: Measurements are taken in RC mode where CLKOUT output is 4xTOSC.



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