Microchip Technology DM164130-2 Data Sheet

Page of 478
PIC16(L)F1946/47
DS41414D-page 406
 2010-2012 Microchip Technology Inc.
TABLE 30-4:
CLKOUT AND I/O TIMING PARAMETERS    
FIGURE 30-8:
RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP 
TIMER TIMING
Standard Operating Conditions (unless otherwise stated)
Operating Temperature -40°C 
T
A
 
+125°C
Param 
No.
Sym.
Characteristic
Min.
Typ† Max. Units
Conditions
OS11
TosH2ckL F
OSC
 to CLKOUT 
(1)
70
ns
V
DD
 = 3.3-5.0V
OS12
TosH2ckH F
OSC
 to CLKOUT 
(1)
72
ns
V
DD
 = 3.3-5.0V
OS13
TckL2ioV
CLKOUT
 to Port out valid
(1)
 
20
ns
OS14
TioV2ckH
Port input valid before CLKOUT
(1)
 
T
OSC
 + 200 ns
ns
OS15
TosH2ioV
Fosc
 (Q1 cycle) to Port out valid
50
70*
ns
V
DD
 = 3.3-5.0V
OS16
TosH2ioI
Fosc
 (Q2 cycle) to Port input invalid 
(I/O in hold time)
50
ns
V
DD
 = 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

40
15
72
32
ns
V
DD
 = 1.8V
V
DD
 = 3.3-5.0V
OS19
TioF
Port output fall time

28
15
55
30
ns
V
DD
 = 1.8V
V
DD
 = 3.3-5.0V
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 RC mode where CLKOUT output is 4 x T
OSC
.
V
DD
MCLR
Internal
POR
PWRT
Time-out
OSC
Start-Up Time
Internal Reset
(1)
Watchdog Timer
33
32
30
31
34
I/O pins
34
Note 1: Asserted low.
Reset
(1)