PIC16C55X
TABLE 10-2: CLKOUT AND I/O TIMING REQUIREMENTS
Parameter #
Sym
Characteristic
Min
Typ† Max Units
10*
TosH2ckL OSC1↑ to CLKOUT↓ (1)
11*
TosH2ckH OSC1↑ to CLKOUT↑ (1)
12*
TckR CLKOUT rise time(1)
13*
TckF CLKOUT fall time(1)
14*
TckL2ioV CLKOUT ↓ to Port out valid(1)
15*
TioV2ckH Port in valid before CLKOUT ↑ (1)
16*
TckH2ioI Port in hold after CLKOUT ↑ (1)
—
75
200
ns
—
—
400
ns
—
75
200
ns
—
—
400
ns
—
35
100
ns
—
—
200
ns
—
35
100
ns
—
—
200
ns
—
—
20
ns
Tosc +200 ns —
—
ns
Tosc +400 ns —
—
ns
0
—
—
ns
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
100
—
—
ns
hold time)
200
—
—
ns
19*
TioV2osH Port input valid to OSC1↑ (I/O in setup time)
0
—
—
ns
20*
TioR Port output rise time
—
10
40
ns
—
—
80
ns
21*
TioF Port output fall time
—
10
40
ns
—
—
80
ns
22*
Tinp RB0/INT pin high or low time
25
—
—
ns
40
—
—
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 TOSC.
2002 Microchip Technology Inc.
Preliminary
DS40143D-page 83