PIC18F44K20-I/SP View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC18F44K20-I/SP

28/40/44-Pin Flash Microcontrollers with nanoWatt XLP Technology

Microchip Technology 

PIC18F2XK20/4XK20

FIGURE 26-6:

OSC1

CLKOUT AND I/O TIMING

Q4

Q1

10

CLKOUT

13

14

I/O pin

(Input)

17

I/O pin

(Output)

Old Value

Note:

20, 21

Refer to Figure 26-4 for load conditions.

Q2

19

18

15

Q3

11

12

16

New Value

TABLE 26-9: CLKOUT AND I/O TIMING REQUIREMENTS

Param

No.

Symbol

Characteristic

Min

Typ

Max Units Conditions

10 TosH2ckL OSC1  to CLKOUT 

—

75

200

ns

11

TosH2ckH OSC1  to CLKOUT 

—

75

200

ns

12 TckR

CLKOUT Rise Time

—

35

100

ns

13 TckF

CLKOUT Fall Time

—

35

100

ns

14 TckL2ioV CLKOUT  to Port Out Valid

—

— 0.5 TCY + 20 ns

15 TioV2ckH Port In Valid before CLKOUT 

0.25 TCY + 25 —

—

ns

16 TckH2ioI Port In Hold after CLKOUT 

0

—

—

ns

17 TosH2ioV OSC1  (Q1 cycle) to Port Out Valid

—

50

150

ns

18 TosH2ioI OSC1  (Q2 cycle) to Port Input Invalid

(I/O in hold time)

100

—

—

ns

19 TioV2osH Port Input Valid to OSC1 (I/O in setup

time)

0

—

—

ns

20 TioR

Port Output Rise Time

—

10

25

ns

21 TioF

Port Output Fall Time

—

10

25

ns

22† TINP

INTx pin High or Low Time

20

—

—

ns

23† TRBP

RB<7:4> Change KBIx High or Low Time

TCY

—

—

ns

† These parameters are asynchronous events not related to any internal clock edges.

Note 1: Measurements are taken in RC mode, where CLKOUT output is 4 x TOSC.

(Note 1)

(Note 1)

(Note 1)

(Note 1)

(Note 1)

(Note 1)

(Note 1)

 2010 Microchip Technology Inc.

DS41303G-page 387

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