PCA9515 查看數據表（PDF） - Philips Electronics

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PCA9515

I2C-bus repeater

Philips Electronics 

Philips Semiconductors

I2C-bus repeater

Product data sheet

PCA9515

AC ELECTRICAL CHARACTERISTICS — PCA9515

SYMBOL

PARAMETER

TEST CONDITIONS

MIN.

LIMITS

TYP.

MAX.

UNIT

tPHL

Propagation delay

Waveform 1

57

98

170

ns

tPLH

Propagation delay

Waveform 1

33

55

78

ns

tTHL

Transition time

Waveform 1

—

67

—

ns

tTLH

Transition time

Waveform 1; Note 1

—

135

—

ns

tSET

Enable to Start condition

100

—

—

ns

tHOLD

Enable after Stop condition

100

—

—

ns

NOTE:

1. The tTLH transition time is specified with loads of 1.35 kΩ pull-up resistance and 7 pF load capacitance, plus an additional 50 pF load

capacitance. Different load resistance and capacitance will alter the RC time constant, thereby changing the propagation delay and

transition times.

AC WAVEFORMS

INPUT

1.5 V

tPHL

OUTPUT

80%

tTHL

1.5 V

20%

3.3 V

1.5 V

0.1 V

1.5 V

20%

tPLH

80%

3.3 V

tTLH

VOL

Waveform 1.

SW00646

TEST CIRCUIT

PULSE

GENERATOR

VIN

RT

VCC

VCC

RL

VOUT

D.U.T.

CL

Test Circuit for Open Drain Outputs

DEFINITIONS

RL = Load resistor; 1.35 kΩ

CL = Load capacitance includes jig and probe capacitance;

7 pF

RT = Termination resistance should be equal to ZOUT of

pulse generators.

SW00792

2004 Jun 24

7

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