PC87427 datasheet(21/46 Pages) NSC

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2.0 Device Characteristics (Continued)

Revision 1.0

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2.1.3

Capacitance

2.1.4

Power Consumption under Recommended Operating Conditions

2.1.5

Voltage Thresholds

Symbol

Parameter

Min2

Typ1

1. TA = 25°C, f = 1 MHz.

Max2

2. Not tested. Guaranteed by characterization.

Unit

CIN

Input Pin Capacitance

CIN1

Clock Input Capacitance3

3. LCLK, CLKIN.

CIO

I/O Pin Capacitance

Output Pin Capacitance

Symbol

Parameter

Conditions1

1. All parameters speciﬁed for 0

° C ≤ T

A ≤ 70° C; VDD and VSB = 3.3V ±10%, unless otherwise speciﬁed.

Typ

Max

Unit

IDD

VDD Average Main Supply Current

VIL = 0.5V, VIH = 2.4V

No Load

IDDLP

VDD Quiescent Main Supply Current in

Low Power Mode2

2. All the modules disabled; clock outputs disabled; no LPC or SMBus activity.

VIL =VSS,VIH =VDD

No Load

0.5

0.8

ISB

VSB Average Main Supply Current

VIL = 0.5V, VIH = 2.4V

No Load

ISBLP

VSB Quiescent Main Supply Current in

Low Power Mode2

VIL =VSS,VIH =VSB

No Load

IBAT

VBAT Battery Supply Current

VDD,VSB =0V,

VBAT =3V

0.9

1.5

µA

Symbol

Parameter1

1. All parameters speciﬁed for 0

° C

≤ T

A ≤ 70° C.

Min2

2. Not tested. Guaranteed by characterization.

Typ

Max2

Unit

VDDON

VDD Detected as Power-on

2.3

2.6

2.9

VDDOFF

VDD Detected as Power-off

2.2

2.5

2.8

VDDHY

VDD Hysteresis (VDDON − VDDOFF)50

VSBON

VSB Detected as Power-on

2.3

2.6

2.9

VSBOFF

VSB Detected as Power-off

2.2

2.5

2.8

VSBHY

VSB Hysteresis (VSBON − VSBOFF)50

VBATDTC

Battery Detected

1.0

1.2

VLOWBAT

Low Battery Voltage

1.3

1.9

PC87427 Datasheet(PDF) 21 Page - National Semiconductor (TI)

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