PIC16F1946 datasheet(392/448 Pages) MICROCHIP

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PIC16(L)F1946/1947

DS41414C-page 392

Preliminary

 2010-2011 Microchip Technology Inc.

30.1

DC Characteristics: PIC16F/LF1946/47-I/E (Industrial, Extended)

Standard Operating Conditions (unless otherwise stated)

Operating temperature

-40°C

 TA  +85°C for industrial

-40°C

 TA  +125°C for extended

PIC16F1946/47

Standard Operating Conditions (unless otherwise stated)

Operating temperature

-40°C

 TA  +85°C for industrial

-40°C

 TA  +125°C for extended

Param.

No.

Sym.

Characteristic

Min.

Typ†

Max.

Units

Conditions

D001

VDD

Supply Voltage

PIC16LF1946/47

1.8

2.5

—

3.6

FOSC

 16 MHz:

FOSC

 32 MHz (NOTE 2)

D001

PIC16F1946/47

1.8

2.5

—

5.5

FOSC

 16 MHz:

FOSC

 32 MHz (NOTE 2)

D002*

VDR

RAM Data Retention Voltage(1)

PIC16LF1946/47

1.5

—

Device in Sleep mode

D002*

PIC16F1946/47

1.7

—

Device in Sleep mode

VPOR*

Power-on Reset Release Voltage

—1.6

—

VPORR*

Power-on Reset Rearm Voltage

PIC16LF1946/47

—

0.8

—

Device in Sleep mode

PIC16F1946/47

—

1.7

—

Device in Sleep mode

D003

VADFVR

Fixed Voltage Reference Voltage

for ADC

-8

—

1.024V, VDD

 2.5V

2.048V, VDD

 2.5V

4.096V, VDD

 4.75V

D003A

VCDAFVR

Fixed Voltage Reference Voltage

for Comparator and DAC

-11

—

1.024V, VDD

 2.5V

2.048V, VDD

 2.5V

4.096V, VDD

 4.75V

D003B

VLCDFVR

Fixed Voltage Reference Voltage

for LCD Bias, Initial Accuracy

-11

—

3.072V, VDD

 3.6V

D004*

SVDD

VDD Rise Rate

to ensure internal

Power-on Reset signal

0.05

—

V/ms

See Section 6.1 “Power-on Reset

(POR)”

for details.

These parameters are characterized but not tested.

†

Data in “Typ” column is at 3.3V, 25°C unless otherwise stated. These parameters are for design guidance only and are not

tested.

Note

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

PLL required for 32 MHz operation.

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