PIC16F753 datasheet(188/230 Pages) MICROCHIP

188 / 230 page

PIC16F753/HV753

DS40001709C-page 188

 2013-2015 Microchip Technology Inc.

FIGURE 22-5:

CLKOUT AND I/O TIMING

FOSC

CLKOUT

I/O pin

(Input)

I/O pin

(Output)

OS19

OS13

OS15

OS18, OS19

OS20

OS21

OS17

OS16

OS14

OS18

Old Value

New Value

Write

Fetch

Read

Execute

Cycle

TABLE 22-10: CLKOUT AND I/O TIMING PARAMETERS

Standard Operating Conditions (unless otherwise stated)

Param

No.

Sym.

Characteristic

Min.

Typ†

Max.

Units

Conditions

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 =

5.0V

OS16

TOSH2IOIFOSC

 (Q2 cycle) to Port input invalid

(I/O in setup time)

—

VDD =

5.0V

OS17

TIOV2OSH

Port input valid to FOSC

(Q2 cycle)

(I/O in setup time)

—

OS18*

TIOR

Port output rise time

—

VDD =

2.0V

VDD =

5.0V

OS19*

TIOF

Port output fall time

—

VDD =

2.0V

VDD =

5.0V

OS20*

TINP

INT pin input high or low time

—

OS21*

TIOC

Interrupt-on-change new input level

time

TCY

——

These parameters are characterized but not tested.

† Data in “Typ” column is at 5.0V, 25

C unless otherwise stated.

Note 1:

Measurements are taken in RC mode where CLKOUT output is 4 x TOSC.

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