PIC18F242 datasheet(267/332 Pages) MICROCHIP

267 / 332 page

DS39564C-page 265

PIC18FXX2

22.2

DC Characteristics: PIC18FXX2 (Industrial, Extended)

PIC18LFXX2 (Industrial)

DC CHARACTERISTICS

Standard Operating Conditions (unless otherwise stated)

Operating temperature -40°C

≤ TA ≤ +85°C for industrial

-40°C

≤ TA ≤ +125°C for extended

Param

No.

Symbol

Characteristic

Min

Max

Units

Conditions

VIL

Input Low Voltage

I/O ports:

D030

with TTL buffer

Vss

0.15 VDD

VVDD < 4.5V

D030A

—

0.8

4.5V

≤ VDD ≤ 5.5V

D031

with Schmitt Trigger buffer

RC3 and RC4

Vss

0.2 VDD

0.3 VDD

D032

MCLR

VSS

0.2 VDD

D032A

OSC1 (in XT, HS and LP modes)

and T1OSI

VSS

0.3 VDD

D033

OSC1 (in RC and EC mode)(1)

VSS

0.2 VDD

VIH

Input High Voltage

I/O ports:

D040

with TTL buffer

0.25 VDD +

0.8V

VDD

VVDD < 4.5V

D040A

2.0

VDD

V4.5V

≤ VDD ≤ 5.5V

D041

with Schmitt Trigger buffer

RC3 and RC4

0.8 VDD

0.7 VDD

VDD

D042

MCLR, OSC1 (EC mode)

0.8 VDD

VDD

D042A

OSC1 (in XT, HS and LP modes)

and T1OSI

0.7 VDD

VDD

D043

OSC1 (RC mode)(1)

0.9 VDD

VDD

IIL

Input Leakage Current(2,3)

D060

I/O ports

.02

±1

μAVSS ≤ VPIN ≤ VDD,

Pin at hi-impedance

D061

MCLR

—

±1

μA Vss ≤ VPIN ≤ VDD

D063

OSC1

—

±1

μA Vss ≤ VPIN ≤ VDD

IPU

Weak Pull-up Current

D070

IPURB

PORTB weak pull-up current

450

μAVDD = 5V, VPIN = VSS

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

PICmicro device be driven with an external clock while in RC mode.

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

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

voltages.

3: Negative current is defined as current sourced by the pin.

4: Parameter is characterized but not tested.

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