PCA9534ADWR datasheet(19/35 Pages) TI

Part #	PCA9534ADWR

Description	REMOTE 8-BIT I2C AND SMBus LOW-POWER I/O EXPANDER WITH INTERRUPT OUTPUT AND CONFIGURATION REGISTERS

PDF	35 Pages

Scroll/Zoom	100%

Manufacturer	TI [Texas Instruments]

Direct Link	http://www.ti.com

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19 / 35 page

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0.7

× VCC

0.3

× VCC

SCL

tpv

(see Note B)

Slave

ACK

Unstable

Data

Last Stable Bit

SDA

WRITE MODE (R/W = 0)

0.7

× VCC

0.3

× VCC

SCL

0.7

× VCC

0.3

× VCC

tps

tph

READ MODE (R/W = 1)

DUT

CL = 50 pF

(see Note A)

P-PORT LOAD CONFIGURATION

× VCC

500 W

PCA9534A

REMOTE 8-BIT I2C AND SMBus LOW-POWER I/O EXPANDER

WITH INTERRUPT OUTPUT AND CONFIGURATION REGISTERS

SCPS141B – SEPTEMBER 2006 – REVISED MARCH 2007

PARAMETER MEASUREMENT INFORMATION (continued)

CL includes probe and jig capacitance.

tpv is measured from 0.7 × VCC on SCL to 50% I/O (Pn) output.

All inputs are supplied by generators having the following characteristics: PRR

≤ 10 MHz, Z

O = 50 Ω, tr/tf ≤ 30 ns.

The outputs are measured one at a time, with one transition per measurement.

All parameters and waveforms are not applicable to all devices.

Figure 12. P-Port Load Circuit and Voltage Waveforms

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PCA9534ADWR Datasheet(PDF) 19 Page - Texas Instruments

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