PIC18F4620-I/PT【PDF 59/286 页】IC MCU FLASH 32KX16 44TQFP

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Sheet目录3819

55页 56页 57页 58页 [59页]60页 61页 62页 63页

1996 Microchip Technology Inc.

DS30412C-page 151

PIC17C4X

Applicable Devices 42 R42 42A 43 R43 44

Output Low Voltage

D080

D081

VOL

I/O ports (except RA2 and RA3)

with TTL buffer

–

0.1VDD

0.4

IOL = 4 mA

IOL = 6 mA, VDD = 4.5V

Note 6

D082

RA2 and RA3

–

3.0

IOL = 60.0 mA, VDD = 5.5V

D083

OSC2/CLKOUT

(RC and EC osc modes)

–

0.4

IOL = 2 mA, VDD = 4.5V

Output High Voltage (Note 3)

D090

D091

VOH

I/O ports (except RA2 and RA3)

with TTL buffer

0.9VDD

2.4

–

IOH = -2 mA

IOH = -6.0 mA, VDD = 4.5V

Note 6

D092

RA2 and RA3

–

Pulled-up to externally applied

voltage

D093

OSC2/CLKOUT

(RC and EC osc modes)

2.4

–

IOH = -5 mA, VDD = 4.5V

Capacitive Loading Specs on

Output Pins

D100

COSC2 OSC2 pin

–

In EC or RC osc modes when

OSC2 pin is outputting

CLKOUT.

External clock is used to drive

OSC1.

D101

CIO

All I/O pins and OSC2

(in RC mode)

–

D102

CAD

System Interface Bus

(PORTC, PORTD and PORTE)

–

100

In Microprocessor or

Extended Microcontroller

mode

DC CHARACTERISTICS

Standard Operating Conditions (unless otherwise stated)

Operating temperature

-40C

≤ TA ≤ +85C for industrial and

≤ TA ≤ +70C for commercial

Operating voltage VDD range as described in Section 17.1

Parameter

No.

Sym

Characteristic

Min

Typ

Max

Units

Conditions

These parameters are characterized but not tested.

Data in “Typ” column is at 5V, 25

°C unless otherwise stated. These parameters are for design guidance only

and are not tested.

These parameters are for design guidance only and are not tested, nor characterized.

Design guidance to attain the AC timing specications. These loads are not tested.

Note 1: In RC oscillator conguration, the OSC1 pin is a Schmitt Trigger input. It is not recommended that the

PIC17CXX devices be driven with external clock in RC mode.

2: The leakage current on the MCLR pin is strongly dependent on the applied voltage level. The specied levels

represent normal operating conditions. Higher leakage current may be measured at different input voltages.

3: Negative current is dened as coming out of the pin.

4: These specications are for the programming of the on-chip program memory EPROM through the use of the

table write instructions. The complete programming specications can be found in: PIC17CXX Programming

Specications (Literature number DS30139).

5: The MCLR/Vpp pin may be kept in this range at times other than programming, but this is not recommended.

6: For TTL buffers, the better of the two specications may be used.

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