TCA9535DBT - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

TCA9535DBT
Manufacturer

TI
ChipWorker Part#

CW64479227
Category

Interface IC, Interface Controller
Package

SSOP-24
Description

I2C/SMBus GPIO Expander 100kHz/400kHz 5V 24Pin SSOP T/R
Documentation

Datasheet

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TCA9535DBT Specifications

Attribute	Attribute Value

Part Number	TCA9535DBT
Manufacturer	TI
ChipWorker Part#	CW64479227
Category	Interface IC, Interface Controller
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	24 Pin
Case/Package	SSOP-24
Clock Speed	400 kHz
Voltage Nodes	1.80 V, 2.70 V, 3.30 V, 3.60 V, 5.00 V
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	1.65V ~ 5.5V
Supply Voltage (Max)	5.5 V
Supply Voltage (Min)	1.65 V
	expand all
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free

Product Description

Description
The TCA9535 is a 24-pin device that provides 16 bits of general purpose parallel input and output (I/O) expansion for the two-line bidirectional I2C bus or (SMBus) protocol. The device can operate with a power supply voltage ranging from 1.65 V to 5.5 V.
The TCA9535 consists of two 8-bit Configuration (input or output selection), Input Port, Output Port, and Polarity Inversion (active-high or active-low operation) registers. At power on, the I/Os are configured as inputs. The system master can enable the I/Os as either inputs or outputs by writing to the I/O configuration bits.
The TCA9535 is identical to the TCA9555, except that the TCA9535 does not include the internal I/O pull-up resistor, which requires pull-ups and pull downs on unused I/O pins when configured as an input and undriven.
Features
• I2C to Parallel Port Expander
• Wide Power Supply Voltage Range of 1.65 V to 5 V
• Low Standby-Current Consumption
• Open-Drain Active-Low Interrupt Output
• 5-V Tolerant I/O Ports
• 400-kHz Fast I2C Bus
• Polarity Inversion Register
• Address by Three Hardware Address Pins for Use of up to Eight Devices
• Latched Outputs With High-Current Drive Capability for Directly Driving LEDs
• Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
• ESD Protection Exceeds JESD 22
– 2000-V Human-Body Model (A114-A)
– 1000-V Charged-Device Model (C101)
Applications
• Servers
• Routers (Telecom Switching Equipment)
• Personal Computers
• Personal Electronics (For Example, Gaming Consoles)
• Industrial Automation
• Products With GPIO-Limited Processors

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