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Sheet目录3878

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PIC16F87XA

DS39582B-page 178

2003 Microchip Technology Inc.

17.2

DC Characteristics: PIC16F873A/874A/876A/877A (Industrial, Extended)

PIC16LF873A/874A/876A/877A (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

Operating voltage VDD range as described in DC specification

(Section 17.1)

Param

No.

Sym

Characteristic

Min

Typ

Max

Units

Conditions

VIL

Input Low Voltage

I/O ports:

D030

with TTL buffer

VSS

—0.15 VDD

For entire VDD range

D030A

VSS

—0.8V

4.5V

≤ VDD ≤ 5.5V

D031

with Schmitt Trigger buffer

VSS

—0.2 VDD

D032

MCLR, OSC1 (in RC mode)

VSS

—0.2 VDD

D033

OSC1 (in XT and LP modes)

VSS

—0.3V

(Note 1)

OSC1 (in HS mode)

VSS

—0.3 VDD

Ports RC3 and RC4:

—

D034

with Schmitt Trigger buffer

VSS

—0.3 VDD

For entire VDD range

D034A

with SMBus

-0.5

—

0.6

For VDD = 4.5 to 5.5V

VIH

Input High Voltage

I/O ports:

—

D040

with TTL buffer

2.0

—

VDD

V4.5V

≤ VDD ≤ 5.5V

D040A

0.25 VDD

+ 0.8V

—VDD

For entire VDD range

D041

with Schmitt Trigger buffer

0.8 VDD

—VDD

For entire VDD range

D042

MCLR

0.8 VDD

—VDD

D042A

OSC1 (in XT and LP modes)

1.6V

—

VDD

(Note 1)

OSC1 (in HS mode)

0.7 VDD

—VDD

D043

OSC1 (in RC mode)

0.9 VDD

—VDD

Ports RC3 and RC4:

D044

with Schmitt Trigger buffer

0.7 VDD

—VDD

For entire VDD range

D044A

with SMBus

1.4

—

5.5

For VDD = 4.5 to 5.5V

D070

IPURB

PORTB Weak Pull-up Current

250

400

AVDD = 5V, VPIN = VSS,

-40°C TO +85°C

IIL

Input Leakage Current(2, 3)

D060

I/O ports

—

±1

AVSS ≤ VPIN ≤ VDD,

pin at high-impedance

D061

MCLR, RA4/T0CKI

—

±5

AVSS ≤ VPIN ≤ VDD

D063

OSC1

—

±5

AVSS ≤ VPIN ≤ VDD, XT, HS

and LP osc configuration

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.

Note 1:

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

PIC16F87XA be driven with external clock in RC mode.

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.

Negative current is defined as current sourced by the pin.

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