PIC16F722 Datasheet, PDF (226/302 Pages) Microchip Technology – 28/40/44-Pin Flash Microcontrollers with nanoWatt XLP Technology

PIC16F72X/PIC16LF72X
TABLE 23-3: CLKOUT AND I/O TIMING PARAMETERS
Standard Operating Conditions (unless otherwise stated)
Operating Temperature -40°C ≤ TA ≤ +125°C
Param
No.
Sym.
Characteristic
Min.
OS11
OS12
OS13
OS14
TosH2ckL
TosH2ckH
TckL2ioV
TioV2ckH
Fosc↑ to CLKOUT↓ ⁽¹⁾
Fosc↑ to CLKOUT↑ ⁽¹⁾
CLKOUT↓ to Port out valid⁽¹⁾
Port input valid before CLKOUT↑⁽¹⁾
—
—
—
TOSC + 200
ns
OS15 TosH2ioV Fosc↑ (Q1 cycle) to Port out valid
—
OS16 TosH2ioI Fosc↑ (Q2 cycle) to Port input invalid
50
(I/O in hold time)
OS17 TioV2osH Port input valid to Fosc↑ (Q2 cycle)
20
(I/O in setup time)
OS18 TioR
Port output rise time⁽²⁾
—
—
OS19 TioF
Port output fall time⁽²⁾
—
—
OS20* Tinp
INT pin input high or low time
25
OS21* Trbp
PORTB interrupt-on-change new input
TCY
level time
* 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 TOSC.
2: Includes OSC2 in CLKOUT mode.
Typ† Max. Units Conditions
— 70 ns VDD = 3.3-5.0V
— 72 ns VDD = 3.3-5.0V
— 20 ns
— — ns
50 70* ns VDD = 3.3-5.0V
— — ns VDD = 3.3-5.0V
— — ns
40 72 ns VDD = 2.0V
15 32
VDD = 3.3-5.0V
28 55 ns VDD = 2.0V
15 30
VDD = 3.3-5.0V
— — ns
— — ns
FIGURE 23-8:
RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP
TIMER TIMING
VDD
MCLR
Internal
POR
PWRT
Time-out
OSC
Start-Up Time
Internal Reset⁽¹⁾
Watchdog Timer
Reset⁽¹⁾
33
32
I/O pins
Note 1: Asserted low.
30
31
34
34
DS41341E-page 226
© 2009 Microchip Technology Inc.