PIC17C752-08SLASHCL datasheet(239/328 Pages) MICROCHIP

239 / 328 page

Preliminary

DS30289A-page 239

PIC17C7XX

20.2

DC CHARACTERISTICS

PIC17LC7XX -08(Commercial, Industrial)

DC CHARACTERISTICS

Standard Operating Conditions (unless otherwise stated)

Operating temperature

-40˚C

≤ TA ≤ +85˚C for industrial and

0˚C

≤ TA ≤ +70˚C for commercial

Param.

No.

Sym

Characteristic

Min

Typ†

Max

Units

Conditions

D001

VDD

Supply Voltage

3.0

–

5.5

D002

VDR

RAM Data Retention

Voltage (Note 1)

1.5 *

–

Device in SLEEP mode

D003

VPOR

VDD start voltage to

ensure internal

Power-on Reset sig-

nal

–VSS

–

See section on Power-on

Reset for details

D004

SVDD

VDD rise rate to

ensure proper

operation

0.010 *

–

V/ms

See section on Power-on

Reset for details

D005

VBOR

Brown-out Reset

voltage trip point

3.65

–

4.35

D006

VPORTP

Power-on Reset trip

point

–

2.2

–

VDD = VPORTP

D010

D011

D014

IDD

Supply Current

(Note 2)

–

6 *

150

µA

FOSC = 4 MHz (Note 4)

FOSC = 8 MHz

FOSC = 32 kHz,

(EC osc conﬁguration)

D021

IPD

Power-down Current

(Note 3)

–< 1

µAVDD = 3.0V,

WDT disabled

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:

This is the limit to which VDD can be lowered in SLEEP mode without losing RAM data.

The supply current is mainly a function of the operating voltage and frequency. Other factors such as I/O pin loading and

switching rate, oscillator type, internal code execution pattern, and temperature also have an impact on the current con-

sumption.

The test conditions for all IDD measurements in active operation mode are:

OSC1=external square wave, from rail to rail; all I/O pins tristated, pulled to VDD or VSS, T0CKI = VDD, MCLR = VDD;

WDT disabled.

Current consumed from the oscillator and I/O’s driving external capacitive or resistive loads needs to be considered.

For the RC oscillator, the current through the external pull-up resistor (R) can be estimated as: VDD / (2

• R).

For capacitive loads, the current can be estimated (for an individual I/O pin) as (CL

• VDD) • f

CL = Total capacitive load on the I/O pin; f = average frequency the I/O pin switches.

The capacitive currents are most signiﬁcant when the device is conﬁgured for external execution (includes extended

microcontroller mode).

The power down current in SLEEP mode does not depend on the oscillator type. Power-down current is measured with

the part in SLEEP mode, with all I/O pins in hi-impedance state and tied to VDD or VSS.

For RC osc conﬁguration, current through Rext is not included. The current through the resistor can be estimated by the

formula IR = VDD/2Rext (mA) with Rext in kOhm.

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