PIC16CE624T-04SS View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC16CE624T-04SS

OTP 8-Bit CMOS MCU with EEPROM Data Memory

Microchip Technology 

PIC16CE62X

13.5 Timing Diagrams and Specifications

FIGURE 13-5: EXTERNAL CLOCK TIMING

Q4

OSC1

CLKOUT

Q1

Q2

Q3

1

3

3

2

Q4

Q1

4

4

TABLE 13-3: EXTERNAL CLOCK TIMING REQUIREMENTS

Parameter Sym Characteristic

No.

Min Typ† Max Units Conditions

1A

1

2

3*

4*

*

†

Note 1:

Fosc External CLKIN Frequency

(Note 1)

DC

—

DC

—

4

MHz XT and RC osc mode, VDD=5.0V

20 MHz HS osc mode

DC

—

200 kHz LP osc mode

Oscillator Frequency

(Note 1)

DC

—

0.1

—

4

MHz RC osc mode, VDD=5.0V

4

MHz XT osc mode

1

—

20 MHz HS osc mode

DC

–

200 kHz LP osc mode

Tosc External CLKIN Period

(Note 1)

250

—

50

—

—

ns XT and RC osc mode

—

ns HS osc mode

5

—

—

µs LP osc mode

Oscillator Period

(Note 1)

250

—

—

ns RC osc mode

250

— 10,000 ns XT osc mode

50

—

1,000 ns HS osc mode

5

—

—

µs LP osc mode

TCY Instruction Cycle Time (Note 1)

200

—

DC

ns TCY=FOSC/4

TosL, External Clock in (OSC1) High or 100*

—

TosH Low Time

2*

—

—

ns XT oscillator, TOSC L/H duty cycle

—

µs LP oscillator, TOSC L/H duty cycle

20*

—

—

ns HS oscillator, TOSC L/H duty cycle

TosR, External Clock in (OSC1) Rise or

25*

—

TosF Fall Time

50*

—

—

ns XT oscillator

—

ns LP oscillator

15*

—

—

ns HS oscillator

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.

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 con-

sumption. 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.

© 1999 Microchip Technology Inc.

DS40182C-page 91

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