PD77728 datasheet(16/44 Pages) MICROCHIP

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PD77728

Electrical Specifications

Data Sheet

DS00003920E - 16

Table 3-15. I2C

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Units

I2C SCL clock

frequency

fSCL

Standard, Fast, and Fast Plus modes are

supported.

—

MHz

Table 3-16. External Current Reference Resistor IREF

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Units

IREF resistor

value

IREF

External 0402 reference resistor value

—

kΩ

IREF%

External 0402 reference resistor accuracy

–0.1

—

0.1

IREF_TEMPCO

Resistor temperature coefficient

—

ppm/°C

Table 3-17. I/O Characteristics

Symbol Parameter

Conditions

Min.

Typ.

Max.

Units

RPULL

Internal Pull-up/Pull-down resistance

—

kΩ

VIL

Input low-level voltage

VDD = 3.0V–3.6V

—

0.3 × VDD V

VIH

Input high-level voltage

VDD = 3.0V–3.6V

0.55 × VDD —

—

VOL

Output low-level voltage

VDD > 3.0V, IOL maxI

—

0.1 × VDD 0.2 × VDD

VOH

Output high-level voltage

VDD > 3.0V, IOH maxII

0.8 × VDD

0.9 × VDD —

IOL

Output low-level current

VDD = 3V–3.63V

—

IOH

Output high-level current

VDD = 3V–3.63V

—

tRISE

Rise time1

load = 20 pF, VDD = 3.3V

—

tFALL

Fall time1

load = 20 pF, VDD = 3.3V

—

ILEAK

Input leakage current

Pull-up resistors disabled

−1

±0.015

μA

Note:

1. These values are based on simulation. These values are not covered by test limits in production

or characterization.

Table 3-18. I2C Pins Characteristics in I2C Configuration

Symbol

Parameter

Condition

Min.

Typ.

Max.

Units

VIL

Input low-level voltage

VDD = 3.0V–3.6V

—

0.3 × VDD

VIH

Input high-level voltage

VDD = 3.0V–3.6V

0.55 × VDD

—

VHYS

Hysteresis of Schmitt trigger inputs

0.08 × VDD

—

VOL

Output low-level voltage

VDD > 3.0V, IOL = 3 mA

—

0.4

IOL

Output low-level current

VOL = 0.4V

Fast Mode Plus

—

fSCL

SCL clock frequency

—

400

KHz

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