TCA9544APWR datasheet(9/29 Pages) TI1

Part #	TCA9544APWR

Description	Low Voltage 4-Channel I2C and SMBus Multiplexer With Interrupt Logic

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RL = 4.7 kΩ

VCC

CL = 100 pF

(See Note A)

INTERRUPT LOAD CONFIGURATION

DUT

INT

0.5

× VCC

INTn

(input)

VOLTAGE WAVEFORMS (tiv)

tiv

VOLTAGE WAVEFORMS (tir)

INT

(output)

0.5

× VCC

INTn

(input)

INT

(output)

0.5

× VCC

0.5

× VCC

tir

NOTES: A. CL includes probe and jig capacitance.

B. All input pulses are supplied by generators having the following characteristics: PRR

≤ 10 MHz, ZO = 50 Ω, tr/tf ≤ 30 ns.

TCA9544A

www.ti.com

SCPS209A – MAY 2014 – REVISED MAY 2014

Parameter Measurement Information (continued)

Figure 6. Interrupt Load Circuit and Voltage Waveforms

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