PCA9535DB datasheet(21/35 Pages) TI

부품명	PCA9535DB

상세설명	REMOTE 16-BIT I2C AND SMBus, LOW-POWER I/O EXPANDER WITH INTERRUPT OUTPUT AND CONFIGURATION REGISTERS

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SDA

SCL

Start

ACK or Read Cycle

tREC

RESET

0.3 y VCC

VCC/2

tRESET

RL = 1 kΩ

VCC

CL = 50 pF

(see Note A)

SDA LOAD CONFIGURATION

DUT

SDA

P-PORT LOAD CONFIGURATION

VCC/2

tRESET

DUT

CL = 50 pF

(see Note A)

× VCC

500 W

PCA9535

REMOTE 16-BIT I2C AND SMBus, LOW-POWER I/O EXPANDER

WITH INTERRUPT OUTPUT AND CONFIGURATION REGISTERS

SCPS129E – AUGUST 2005 – REVISED FEBRUARY 2007

PARAMETER MEASUREMENT INFORMATION (continued)

CL includes probe and jig capacitance.

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.

I/Os are configured as inputs.

All parameters and waveforms are not applicable to all devices.

Figure 14. Reset Load Circuits and Voltage Waveforms

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PCA9535DB 데이터시트(PDF) 21 Page - Texas Instruments