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8-Channel I/O Expander I2C, SMBus 16-Pin TSSOP, TCA9554APWR

Semiconductors\Interface ICs\I/O ExpandersTCA9554/A Remote 8-bit I2C & SMBus I/O Expander Texas Instruments TCA9554/A Remote 8-bit I 2 C & SMBus I/O Expander provides 8 bits of general-purpose parallel input/output (I/O) expansion for the two-line bidirectional I 2 C bus (or SMBus) protocol. Each device can operate with a power supply voltage ranging from 1.65V to 5.5V. It supports both 100kHz (Standard-mode) and 400kHz (Fast-mode) clock frequencies. These I/O expanders from Texas Instruments 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 TCA9554 include an interrupt that is generated on the INT pin whenever an input port changes state. The A0, A1, and A2 hardware selectable address pins allow up to eight TCA9554/A devices on the same I 2 C bus.

Clock Frequency	400kHz
Interface	I2C, SMBus
Maximum Supply Voltage	5.5 V
Minimum Supply Voltage	1.65 V
Mounting Type	Surface Mount
Number of I/O Channels	8
Number of Pins	16
Package Type	TSSOP
Brand	Texas Instruments
ESD Protection	2 kV
Factory Pack Quantity: Factory Pack Quantity	2000
Features	Configuration Registers, Interrupt Pin
Input Voltage	6 V
Interface Type	I2C, Serial, SMBus
Interrupt Output	With Interrupt
Logic Family	TCA9554A
Manufacturer	Texas Instruments
Maximum Clock Frequency	400 kHz
Maximum Operating Temperature	+85 C
Minimum Operating Temperature	-40 C
Mounting Style	SMD/SMT
Number of I/Os	8 I/O
Operating Supply Voltage	1.65 V to 5.5 V
Output Current	25 mA
Output Voltage	-0.5 V to+6 V
Package / Case	TSSOP-16
Product Category	Interface-I/O Expanders
Product Type	I/O Expanders
Product	I/O Expanders
Propagation Delay Time	4 us
Series	TCA9554A
Subcategory	Interface ICs
Supply Voltage - Max	5.5 V
Supply Voltage - Min	1.65 V
Type	I/O Expander
Case	TSSOP16
Kind of integrated circuit	I/O expander
Kind of package	reel, tape
Manufacturer	TEXAS INSTRUMENTS
Mounting	SMD
Operating temperature	-40…85°C
Type of integrated circuit	interface