PIC16F720-ESLASHML datasheet(199/244 Pages) MICROCHIP

199 / 244 page

 2010 Microchip Technology Inc.

DS41430A-page 199

PIC16F/LF720/721

FIGURE 23-7:

CLKOUT AND I/O TIMING

FOSC

CLKOUT

I/O pin

(Input)

I/O pin

(Output)

OS11

OS19

OS13

OS15

OS18, OS19

OS20

OS21

OS17

OS16

OS14

OS12

OS18

Old Value

New Value

Write

Fetch

Read

Execute

Cycle

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.

Typ†

Max.

Units

Conditions

OS11*

TOSH2CKLFOSC

 to CLKOUT (1)

——

VDD = 3.3-5.0V

OS12* TOSH2CKHFOSC

 to CLKOUT (1)

——

VDD = 3.3-5.0V

OS13* TCKL2IOVCLKOUT

 to Port out valid(1)

——

OS14* TIOV2CKH

Port input valid before CLKOUT

(1)

TOSC + 200 ns

—

OS15* TOSH2IOVFOSC

 (Q1 cycle) to Port out valid

—

70*

VDD = 3.3-5.0V

OS16* TOSH2IOIFOSC

 (Q2 cycle) to Port input invalid

(I/O in hold time)

—

VDD = 3.3-5.0V

OS17* TIOV2OSH

Port input valid to FOSC

(Q2 cycle)

(I/O in setup time)

—

OS18* TIOR

Port output rise time(2)

—

VDD = 2.0V

VDD = 3.3-5.0V

OS19* TIOF

Port output fall time(2)

—

VDD = 2.0V

VDD = 3.3-5.0V

OS20* TINP

INT pin input high or low time

—

OS21* TRBP

PORTB interrupt-on-change new input

level time

TCY

——

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.

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