Datasheet

 1996-2013 Microchip Technology Inc. Preliminary DS40143E-page 83
PIC16C55X
TABLE 10-2: CLKOUT AND I/O TIMING REQUIREMENTS
Parameter # Sym Characteristic Min Typ† Max Units
10* TosH2ckL OSC1 to CLKOUT
(1)
—
—
75
—
200
400
ns
ns
11* TosH2ckH OSC1 to CLKOUT
(1)
—
—
75
—
200
400
ns
ns
12* TckR CLKOUT rise time
(1)
—
—
35
—
100
200
ns
ns
13* TckF CLKOUT fall time
(1)
—
—
35
—
100
200
ns
ns
14* TckL2ioV CLKOUT  to Port out valid
(1)
— — 20 ns
15* TioV2ckH Port in valid before CLKOUT 
(1)
Tosc +200 ns
Tosc +400 ns
—
—
—
—
ns
ns
16* TckH2ioI Port in hold after CLKOUT 
(1)
0——ns
17* TosH2ioV OSC1 (Q1 cycle) to Port out valid —
—
50 150
300
ns
ns
18* TosH2ioI OSC1 (Q2 cycle) to Port input invalid (I/O in
hold time)
100
200
—
—
—
—
ns
ns
19* TioV2osH Port input valid to OSC1(I/O in setup time) 0 — — ns
20* TioR Port output rise time —
—
10
—
40
80
ns
ns
21* TioF Port output fall time —
—
10
—
40
80
ns
ns
22* Tinp RB0/INT pin high or low time 25
40
—
—
—
—
ns
ns
23* Trbp RB<7:4> change interrupt 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. These parameters are for design guidance
only and are not tested.
Note 1: Measurements are taken in RC mode where CLKOUT output is 4 x T
OSC.