Datasheet

 2009-2016 Microchip Technology Inc. DS40001365F-page 343
PIC18(L)F1XK22
FIGURE 26-9: CLKOUT AND I/O TIMING
FOSC
CLKOUT
I/O pin
(Input)
I/O pin
(Output)
Q4
Q1
Q2 Q3
OS11
OS19
OS13
OS15
OS18, OS19
OS20
OS21
OS17
OS16
OS14
OS12
OS18
Old Value
New Value
Write Fetch Read ExecuteCycle
TABLE 26-15: CLKOUT AND I/O TIMING PARAMETERS
Standard Operating Conditions (unless otherwise stated)
Param.
No.
Sym. Characteristic Min. Typ.† Max. Units Conditions
OS11 TOSH2CKLFosc to CLKOUT
(1)
——70nsVDD = 3.3-5.0V
OS12 T
OSH2CKHFosc to CLKOUT
(1)
——72nsVDD = 3.3-5.0V
OS13 T
CKL2IOVCLKOUT to Port out valid
(1)
——20ns
OS14 T
IOV2CKH Port input valid before CLKOUT
(1)
TOSC + 200 ns — — ns
OS15 TOSH2IOVFosc (Q1 cycle) to Port out valid — 50 70* ns VDD = 3.3-5.0V
OS16 T
OSH2IOIFosc (Q2 cycle) to Port input invalid
(I/O in hold time)
50 — — ns VDD = 3.3-5.0V
OS17 T
IOV2OSH Port input valid to Fosc(Q2 cycle)
(I/O in setup time)
20 — — ns
OS18 T
IOR Port output rise time
(2)
—
—
40
15
72
32
ns VDD = 1.8V
V
DD = 3.3-5.0V
OS19 T
IOF Port output fall time
(2)
—
—
28
15
55
30
ns VDD = 1.8V
V
DD = 3.3-5.0V
OS20* TINP INT pin input high or low time 25 — — ns
OS21* T
RBP PORTB interrupt-on-change new input
level time
25 — — ns
* These parameters are characterized but not tested.
† Data in “Typ” column is at 3.0V, 25C unless otherwise stated.
Note 1: Measurements are taken in RC mode where CLKOUT output is 4 x T
OSC.
2: Includes OSC2 in CLKOUT mode.