PIC16F62X
FIGURE 17-7: CLKOUT AND I/O TIMING
Q1
Q2
Q3
Q4
OSC1
11
10
22
23
CLKOUT
13
12
16
19
18
14
I/O Pin
(input)
15
17
I/O Pin
new value
old value
(output)
20, 21
TABLE 17-5: CLKOUT AND I/O TIMING REQUIREMENTS
Parameter
Sym
Characteristic
Min Typ† Max
Units
No.
10
TosH2ckL OSC1↑ to CLKOUT↓
16F62X
16LF62X
16F62X
16LF62X
16F62X
16LF62X
16F62X
16LF62X
—
75
200
ns
10A
11
—
—
—
400
200
ns
ns
TosH2ckH OSC1↑ to CLKOUT↑
75
11A
12
—
—
—
—
—
—
35
—
35
—
400
100
200
100
200
ns
ns
ns
ns
ns
TckR
TckF
CLKOUT rise time
CLKOUT fall time
12A
13
13A
14
15
TckL2ioV
TioV2ckH
CLKOUT ↓ to Port out valid
—
—
—
20
—
ns
ns
Port in valid before
Tosc
16F62X
+200
ns
CLKOUT ↑
Tosc
=400
ns
—
—
ns
16LF62X
16
17
TckH2ioI
Port in hold after CLKOUT ↑
OSC1↑ (Q1 cycle) to
0
—
—
ns
ns
TosH2ioV
—
50
150 *
16F62X
Port out valid
—
—
—
300
—
ns
ns
16LF62X
18
TosH2ioI
OSC1↑ (Q2 cycle) to Port input invalid
100
200
(I/O in hold time)
DS40300B-page 140
Preliminary
1999 Microchip Technology Inc.