PCA6107 datasheet(16/24 Pages) TI

Part #	PCA6107

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

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Manufacturer	TI [Texas Instruments]

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PARAMETER MEASUREMENT INFORMATION

RL = 1 kΩ

VCC

CL = 50 pF

(see Note A)

tbuf

ticr

tsth

tsds

tsdh

ticf

ticr

tscl

tsch

tsts

tPHL

tPLH

0.3

× VCC

Stop

Condition

tsps

Repeat

Start

Condition

Start or

Repeat

Start

Condition

SCL

SDA

Start

Condition

(S)

Address

Bit 7

(MSB)

Data

Bit 10

(LSB)

Stop

Condition

(P)

Three Bytes for Complete

Device Programming

SDA LOAD CONFIGURATION

VOLTAGE WAVEFORMS

ticf

Stop

Condition

(P)

tsp

DUT

SDA

0.7

× VCC

0.3

× VCC

0.7

× VCC

R/W

Bit 0

(LSB)

ACK

(A)

Data

Bit 07

(MSB)

Address

Bit 1

Address

Bit 6

BYTE

DESCRIPTION

1

I2C address

2, 3

P-port data

PCA6107

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

WITH INTERRUPT OUTPUT, RESET, AND CONFIGURATION REGISTERS

SCPS139B – JANUARY 2006 – REVISED OCTOBER 2006

A.

CL includes probe and jig capacitance.

B.

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

≤ 10 MHz, Z

O = 50 Ω, tr/tf≤ 30 ns.

C.

All parameters and waveforms are not applicable to all devices.

Figure 10. I2C Interface Load Circuit and Voltage Waveforms

16

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