PIC18LF14K22-E/ML View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC18LF14K22-E/ML

(PIC18F1XK22/LF1XK22) 20-Pin Flash Microcontrollers with nanoWatt XLP Technology

Microchip Technology 

PIC18F1XK22/LF1XK22

FIGURE 25-9:

CLKOUT AND I/O TIMING

Cycle

FOSC

CLKOUT

Write

Q4

I/O pin

(Input)

I/O pin

(Output)

Old Value

Fetch

Q1

OS11

OS19

OS13

Read

Q2

OS20

OS21

OS16

OS17

OS15

OS14

OS18, OS19

Execute

Q3

OS12

OS18

New Value

TABLE 25-4: 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†

OS11 TosH2ckL Fosc to CLKOUT (1)

—

—

OS12 TosH2ckH Fosc to CLKOUT (1)

—

—

OS13 TckL2ioV CLKOUT to Port out valid(1)

—

—

OS14 TioV2ckH Port input valid before CLKOUT(1)

TOSC + 200 ns —

OS15 TosH2ioV Fosc (Q1 cycle) to Port out valid

—

50

OS16 TosH2ioI Fosc (Q2 cycle) to Port input invalid

(I/O in hold time)

50

—

OS17

OS18

TioV2osH Port input valid to Fosc(Q2 cycle)

(I/O in setup time)

TioR

Port output rise time(2)

OS19 TioF

Port output fall time(2)

20

—

—

40

—

15

—

28

—

15

OS20* Tinp

INT pin input high or low time

25

—

OS21* Trbp

PORTB interrupt-on-change new input

TCY

—

level time

*

†

Note 1:

2:

These parameters are characterized but not tested.

Data in “Typ” column is at 3.0V, 25C unless otherwise stated.

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

Includes OSC2 in CLKOUT mode.

Max.

70

72

20

—

70*

—

—

72

32

55

30

—

—

Units Conditions

ns VDD = 3.3-5.0V

ns VDD = 3.3-5.0V

ns

ns

ns VDD = 3.3-5.0V

ns VDD = 3.3-5.0V

ns

ns VDD = 2.0V

VDD = 3.3-5.0V

ns VDD = 2.0V

VDD = 3.3-5.0V

ns

ns

DS41365D-page 352

Preliminary

 2010 Microchip Technology Inc.

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