PIC18F4620-I/ML【PDF 58/286 页】IC MCU FLASH 32KX16 44QFN

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Sheet目录3818

54页 55页 56页 57页 [58页]59页 60页 61页 62页

PIC17C4X

DS30412C-page 150

1996 Microchip Technology Inc.

Applicable Devices 42 R42 42A 43 R43 44

17.2

DC CHARACTERISTICS:

PIC17C42-16 (Commercial, Industrial)

PIC17C42-25 (Commercial, Industrial)

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

Input Low Voltage

VIL

I/O ports

D030

with TTL buffer

VSS

–

0.8

D031

with Schmitt Trigger buffer

VSS

–

0.2VDD

D032

MCLR, OSC1 (in EC and RC

mode)

Vss

–

0.2VDD

Note1

D033

OSC1 (in XT, and LF mode)

–

0.5VDD

–V

Input High Voltage

VIH

I/O ports

–

D040

with TTL buffer

2.0

–

VDD

D041

with Schmitt Trigger buffer

0.8VDD

–VDD

D042

MCLR

0.8VDD

–VDD

Note1

D043

OSC1 (XT, and LF mode)

–

0.5VDD

–V

D050

VHYS

Hysteresis of

Schmitt Trigger inputs

0.15VDD*–

–

Input Leakage Current

(Notes 2, 3)

D060

IIL

I/O ports (except RA2, RA3)

–

±1

A Vss ≤ VPIN ≤ VDD,

I/O Pin at hi-impedance

PORTB weak pull-ups dis-

abled

D061

MCLR

––

±2

AVPIN = Vss or VPIN = VDD

D062

RA2, RA3

±2

A Vss ≤ VRA2, VRA3 ≤ 12V

D063

OSC1, TEST

–

±1

A Vss ≤ VPIN ≤ VDD

D064

MCLR

–

AVMCLR = VPP = 12V

(when not programming)

D070

IPURB PORTB weak pull-up current

200

400

VPIN = VSS, RBPU = 0

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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