PCA9539DB datasheet(13/48 Pages) TI2

Part #	PCA9539DB

Description	PCA9539 Remote 16-Bit I2C and SMBus Low-Power I/O Expander With Interrupt Output, Reset, and Configuration Registers

PDF	48 Pages

Scroll/Zoom	100%

Manufacturer	TI2 [Texas Instruments]

Direct Link	https://www.ti.com

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13 / 48 page

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

2 × VCC

500 W

A. CL includes probe and jig capacitance.

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

C. All inputs are supplied by generators having the following characteristics: PRR ≤ 10 MHz, ZO = 50 Ω, tr/tf ≤ 30 ns.

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

E. All parameters and waveforms are not applicable to all devices.

Figure 7-3. P-Port Load Circuit And Voltage Waveforms

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PCA9539

SCPS130H – AUGUST 2005 – REVISED MARCH 2021

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PCA9539DB Datasheet(PDF) 13 Page - Texas Instruments