PIC16C83 datasheet(77/117 Pages) MICROCHIP

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DS30081F-page 77

PIC16C8X

Applicable Devices 83 R83 84 84A R84

11.5

Timing Diagrams and Speciﬁcations

FIGURE 11-3: EXTERNAL CLOCK TIMING

TABLE 11-3:

EXTERNAL CLOCK TIMING REQUIREMENTS

Parameter

No.

Sym

Characteristic

Min

Typ†

Max

Units

Conditions

Fos

External CLKIN Frequency

(Note 1)

—

MHz

XT, RC osc

PIC16LC84-04

—

MHz

XT, RC osc

PIC16C84-04

—

MHz

HS osc

PIC16C84-10

—

200

kHz

LP osc

PIC16LC84-04

Oscillator Frequency

(Note 1)

—

MHz

RC osc

PIC16LC84-04

—

MHz

RC osc

PIC16C84-04

0.1

—

MHz

XT osc

PIC16LC84-04

0.1

—

MHz

XT osc

PIC16C84-04

—

MHz

HS osc

PIC16C84-10

—

200

kHz

LP osc

PIC16LC84-04

1TOSC

External CLKIN Period

(Note 1)

500

—

XT, RC osc

PIC16LC84-04

250

—

XT, RC osc

PIC16C84-04

100

—

HS osc

PIC16C84-10

5—

—

µs

LP osc

PIC16LC84-04

Oscillator Period

(Note 1)

500

250

—

RC osc

PIC16LC84-04

RC osc

PIC16C84-04

500

—

10,000

XT osc

PIC16LC84-04

250

—

10,000

XT osc

PIC16C84-04

100

—

1,000

HS osc

PIC16C84-10

5—

—

µs

LP osc

PIC16LC84-04

2TCY

Instruction Cycle Time (Note 1)

0.4

4/Fosc

µs

TosL,

TosH

Clock in (OSC1) High or Low Time

60 *

—

XT osc

PIC16LC84-04

50 *

—

XT osc

PIC16C84-04

2 *

—

µs

LP osc

PIC16LC84-04

35 *

—

HS osc

PIC16C84-10

TosR,

TosF

Clock in (OSC1) Rise or Fall Time

25 *

—

XT osc

PIC16C84-04

50 *

—

LP osc

PIC16LC84-04

15 *

—

HS osc

PIC16C84-10

†

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:

Instruction cycle period (TCY) equals four times the input oscillator time base period. All speciﬁed values are based on

characterization data for that particular oscillator type under standard operating conditions with the device executing code.

Exceeding these speciﬁed limits may result in an unstable oscillator operation and/or higher than expected current

consumption. All devices are tested to operate at "min." values with an external clock applied to the OSC1 pin.

When an external clock input is used, the "Max." cycle time limit is "DC" (no clock) for all devices.

OSC1

CLKOUT

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