PIC16F676 Microchip Technology Inc., PIC16F676 Datasheet - Page 98

• Manufacturer Part Number: PIC16F676
• Description: 14-pin, Flash-based 8-bit Cmos Microcontroller
• Manufacturer: Microchip Technology Inc.

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