PIC16F8X_13 Datasheet, PDF (83/128 Pages) Microchip Technology – 18-pin Flash/EEPROM 8-Bit Microcontrollers

PIC16F83/84
PIC16F8X
FIGURE 10-4: CLKOUT AND I/O TIMING
Q4
OSC1
CLKOUT
Q1
Q2
10
13
14
22
23
19
18
Q3
11
12
16
I/O Pin
(input)
I/O Pin
(output)
17
15
old value
new value
20, 21
Note: All tests must be done with specified capacitive loads (Figure 10-2) 50 pF on I/O pins and CLKOUT.
TABLE 10-4 CLKOUT AND I/O TIMING REQUIREMENTS
Parameter
No.
Sym
Characteristic
Min
Typ†
Max
Units Conditions
10
TosH2ckL OSC1 to CLKOUT PIC16F8X
—
15
30 *
ns
Note 1
10A
PIC16LF8X
11
TosH2ckH OSC1 to CLKOUT PIC16F8X
11A
PIC16LF8X
12
TckR
CLKOUT rise time
PIC16F8X
12A
PIC16LF8X
—
15
120 *
ns
Note 1
—
15
30 *
ns
Note 1
—
15
120 *
ns
Note 1
—
15
30 *
ns
Note 1
—
15
100 *
ns
Note 1
13
TckF
CLKOUT fall time
PIC16F8X
—
15
30 *
ns
Note 1
13A
PIC16LF8X
—
15
100 *
ns
Note 1
14
TckL2ioV CLKOUT  to Port out valid
—
— 0.5TCY +20 * ns
Note 1
15
TioV2ckH Port in valid before PIC16F8X
0.30TCY + 30 * —
—
ns
Note 1
CLKOUT 
PIC16LF8X 0.30TCY + 80 * —
—
ns
Note 1
16
TckH2ioI Port in hold after CLKOUT 
0*
—
—
ns
Note 1
17
TosH2ioV OSC1 (Q1 cycle) to PIC16F8X
—
—
125 *
ns
Port out valid
PIC16LF8X
—
—
250 *
ns
18
TosH2ioI OSC1 (Q2 cycle) to PIC16F8X
Port input invalid
(I/O in hold time)
PIC16LF8X
10 *
—
—
ns
10 *
—
—
ns
19
TioV2osH Port input valid to
PIC16F8X
OSC1
(I/O in setup time)
PIC16LF8X
-75 *
—
—
ns
-175 *
—
—
ns
20
TioR
Port output rise time PIC16F8X
—
10
35 *
ns
20A
PIC16LF8X
—
10
70 *
ns
21
TioF
Port output fall time PIC16F8X
—
10
35 *
ns
21A
PIC16LF8X
—
10
70 *
ns
22
Tinp
INT pin high
PIC16F8X
20 *
—
—
ns
22A
or low time
PIC16LF8X
55 *
—
—
ns
23
Trbp
RB7:RB4 change INT PIC16F8X
TOSC §
—
—
ns
23A
high or low time
PIC16LF8X
TOSC §
—
—
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.
§ By design
Note 1: Measurements are taken in RC Mode where CLKOUT output is 4 x TOSC.
 1996-2013 Microchip Technology Inc.
DS30430D-page 11-83