Datasheet
PIC16(L)F1454/5/9
DS41639A-page 368 Preliminary 2012 Microchip Technology Inc.
FIGURE 29-6: CLKOUT AND I/O TIMING
TABLE 29-3: CLKOUT AND I/O TIMING PARAMETERS
Standard Operating Conditions (unless otherwise stated)
Operating Temperature -40°C TA +125°C
Param
No.
Sym. Characteristic Min. Typ† Max. Units Conditions
OS11 TosH2ckL FOSC to CLKOUT
(1)
——70nsVDD = 3.3-5.0V
OS12 TosH2ckH F
OSC to CLKOUT
(1)
——72nsVDD = 3.3-5.0V
OS13 TckL2ioV CLKOUT
to Port out valid
(1)
——20ns
OS14 TioV2ckH Port input valid before CLKOUT
(1)
TOSC + 200 ns — — ns
OS15 TosH2ioV Fosc
(Q1 cycle) to Port out valid — 50 70* ns VDD = 3.3-5.0V
OS16 TosH2ioI Fosc
(Q2 cycle) to Port input invalid
(I/O in hold time)
50 — — ns VDD = 3.3-5.0V
OS17 TioV2osH Port input valid to Fosc
(Q2 cycle)
(I/O in setup time)
20 — — ns
OS18* TioR Port output rise time
(2)
—
—
15
40
32
72
ns VDD = 2.0V
V
DD = 5.0V
OS19* TioF Port output fall time
(2)
—
—
28
15
55
30
ns VDD = 2.0V
V
DD = 5.0V
OS20* Tinp INT pin input high or low time 25 — — ns
OS21* Tioc 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 EC mode where CLKOUT output is 4 x TOSC.
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