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Details for TCA9534DWT by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Driver & Interface ICs
I/O EXPANDER 8BIT 400KHZ SOIC-16
TCA9534DWT image

TCA9534DWT by Texas Instruments

I/O EXPANDER 8BIT 400KHZ SOIC-16
Features
400-kHz Fast I2 C Bus
5-V Tolerant I/O Ports
ESD Protection Exceeds JESD 22
I2 C to Parallel Port Expander
Input and Output Configuration Register
Internal Power-On Reset
Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
Latched Outputs With High-Current Drive Maximum Capability for Directly Driving LEDs
Low Standby Current Consumption
No Glitch on Power Up
Noise Filter on SCL/SDA Inputs
Open-Drain Active-Low Interrupt Output
Operating Power-Supply Voltage Range of 1.65 V to 5.5 V
Polarity Inversion Register
Power-Up With All Channels Configured as Inputs
Three Hardware Address Pins Allow up to Eight Devices on the I2 C/SMBus
Part Information
TCA9534DWT image
RoHS Compliant
Description
The TCA9534 is a 16-pin device that provides 8 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, which allows for use with a wide range of devices. The device supports both 100-kHz (Standard-mode) and 400-kHz (Fast-mode) clock frequencies. I/O expanders such as the TCA9534 provide a simple solution when additional I/Os are needed for switches, sensors, push-buttons, LEDs, fans, and other similar devices. The features of the TCA9534 include an interrupt that is generated on the INT pin. This allows the master to know when an input port changes state. The A0, A1, and A2 hardware selectable address pins allow up to eight TCA9534 devices on the same I2C bus. The device can also be reset to its default sate by cycling the power supply and causing a power-on reset.
Specifications
Chip Configuration:
8bit
Bus Frequency:
400kHz
IC Interface Type:
I2C SMBus
Supply Voltage Min:
1.65V
Supply Voltage Max:
5.5V
Interface Case Style:
SOIC
No. of Pins:
16Pins
No. of I/O's:
8I/O's
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)
Alternate Descriptions
Low Voltage 8-Bit I²C and SMBUS Low-Power I/O Expander with Interrupt Output and Configuration Registers 16-Pin SOIC T/R Avnet America
Low Voltage 8-Bit I²C and SMBUS Low-Power I/O Expander with Interrupt Output and Configuration Registers 16-Pin SOIC T/R Avnet Europe