FIGURE 5-2:
FOSC
LED1, LED2,
CTRLOUT,
CHGOUT, HVOUT
(input)
LED1, LED2,
CTRLOUT,
CHGOUT, HVOUT
(output)
CLKO AND I/O TIMING
Q4
Q1
10
13
14
Q2
22
23
19 18
17
15
Old Value
20, 21
PS200
Q3
11
12
16
New Value
TABLE 5-3: CLKO AND I/O TIMING REQUIREMENTS
Param
No.
Sym
Characteristic
Min
17
TosH2ioV FOSC ↑ (Q1 cycle) to Port Out Valid
—
—
18
TosH2ioI FOSC ↑ (Q2 cycle) to Port Input
100
Invalid (I/O in hold time)
19
TioV2osH Port Input Valid to FOSC ↑
0
(I/O in setup time)
20
TioR
Port Output Rise Time
—
21
TioF
Port Output Fall Time
—
* These parameters are characterized but not tested.
† Data in “Typ” column is at 5.0 V, 25°C unless otherwise stated.
Typ†
50
—
—
—
10
10
Max
150*
300
—
—
40
40
Units Conditions
ns
ns
ns
ns
ns
ns
© 2005 Microchip Technology Inc.
DS21891B-page 19