PIC16CE623 datasheet(92/114 Pages) MICROCHIP

92 / 114 page

PIC16CE62X

DS40182D-page 92

 1998-2013 Microchip Technology Inc.

FIGURE 13-6: CLKOUT AND I/O TIMING

TABLE 13-4:

CLKOUT AND I/O TIMING REQUIREMENTS

Parameter #

Sym

Characteristic

Min

Typ†

Max

Units

10*

TosH2ckL

OSC1

 to CLKOUT (1)

—75

200

11*

TosH2ckH

OSC1

 to CLKOUT (1)

—75

200

12*

TckR

CLKOUT rise time (1)

—35

100

13*

TckF

CLKOUT fall time (1)

—35

100

14*

TckL2ioV

CLKOUT

 to Port out valid (1)

—

15*

TioV2ckH

Port in valid before CLKOUT

 (1)

Tosc +200 ns

—

16*

TckH2ioI

Port in hold after CLKOUT

 (1)

0—

—

17*

TosH2ioV

OSC1

 (Q1 cycle) to Port out valid

—

150

18*

TosH2ioI

OSC1

 (Q2 cycle) to Port input invalid (I/O in hold

time)

100

—

19*

TioV2osH

Port input valid to OSC1

(I/O in setup time)

—

20*

TioR

Port output rise time

—

21*

TioF

Port output fall time

—

22*

Tinp

RB0/INT pin high or low time

—

Trbp

RB<7:4> change interrupt high or low time

TCY

——

These parameters are characterized but not tested

† Data in "Typ" column is at 5.0V, 25

C unless otherwise stated. These parameters are for design guidance only and are not tested.

Note 1:

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

Note: All tests must be do with specified capacitance loads (Figure 13-4) 50 pF on I/O pins and CLKOUT

OSC1

CLKOUT

I/O Pin

(input)

I/O Pin

(output)

20, 21

old value

new value

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