TCA9555RTWR datasheet(5/32 Pages) TI

номер детали	TCA9555RTWR

подробное описание детали	LOW VOLTAGE 16-BIT I2C AND SMBus I/O EXPANDER WITH INTERRUPT OUTPUT AND CONFIGURATION REGISTERS

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VCC

CLK

D

Q

FF

Configuration

Register

Data From

Shift Register

Data From

Shift Register

Q

Write Configuration

Pulse

CLK

D

Q

FF

Q

Write Pulse

Output Port

Register

100 kW

Q1

Q2

GND

I/O Pin

Output Port

Register Data

CLK

D

Q

FF

Q

Input Port

Register

Read Pulse

CLK

D

Q

FF

Q

Polarity Inversion

Register

Write Polarity

Pulse

Input Port

Register Data

Polarity

Register Data

To INT

Data From

Shift Register

I/O Port

TCA9555

www.ti.com .............................................................................................................................................................. SCPS200A – JULY 2009 – REVISED JULY 2009

SIMPLIFIED SCHEMATIC OF P-PORT I/Os

When an I/O is configured as an input, FETs Q1 and Q2 are off, creating a high-impedance input. The input

voltage may be raised above VCC to a maximum of 5.5 V.

If the I/O is configured as an output, Q1 or Q2 is enabled, depending on the state of the Output Port register. In

this case, there are low-impedance paths between the I/O pin and either VCC or GND. The external voltage

applied to this I/O pin should not exceed the recommended levels for proper operation.

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Аналогичный номер детали - TCA9555RTWR

производитель	номер детали	датащи	подробное описание детали
Texas Instruments	TCA9555RTWR	1Mb / 46P	[Old version datasheet] Low-Voltage 16-Bit I2C and SMBus I/O Expander with Interrupt Output and Configuration Registers

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Аналогичное описание - TCA9555RTWR

производитель	номер детали	датащи	подробное описание детали
Texas Instruments	TCA9555	1Mb / 46P	[Old version datasheet] Low-Voltage 16-Bit I2C and SMBus I/O Expander with Interrupt Output and Configuration Registers
	TCA6416	913Kb / 35P	[Old version datasheet] LOW-VOLTAGE 16-BIT I2C AND SMBus I/O EXPANDER WITH INTERRUPT OUTPUT, RESET, AND CONFIGURATION REGISTERS
	TCA6416A	900Kb / 32P	[Old version datasheet] LOW-VOLTAGE 16-BIT I2C AND SMBus I/O EXPANDER WITH INTERRUPT OUTPUT, RESET, AND CONFIGURATION REGISTERS
	TCA6416	781Kb / 31P	[Old version datasheet] LOW-VOLTAGE 16-BIT I2C AND SMBus I/O EXPANDER WITH INTERRUPT OUTPUT, RESET, AND CONFIGURATION REGISTERS
	PCA9555	842Kb / 35P	[Old version datasheet] REMOTE 16-BIT I2C AND SMBus I/O EXPANDER WITH INTERRUPT OUTPUT AND CONFIGURATION REGISTERS
	TCA6416A	909Kb / 34P	[Old version datasheet] LOW-VOLTAGE 16-BIT I2C AND SMBus I/O EXPANDER WITH INTERRUPT OUTPUT, RESET, AND CONFIGURATION REGISTERS
	PCA9555	817Kb / 35P	[Old version datasheet] REMOTE 16-BIT I2C AND SMBus I/O EXPANDER WITH INTERRUPT OUTPUT AND CONFIGURATION REGISTERS
	PCA9555	818Kb / 35P	[Old version datasheet] REMOTE 16-BIT I2C AND SMBus I/O EXPANDER WITH INTERRUPT OUTPUT AND CONFIGURATION REGISTERS
	TCA9535	1Mb / 46P	[Old version datasheet] Low-Voltage 16-Bit I2C and SMBus Low-Power I/O Expander with Interrupt Output and Configuration Registers
	TCA9535	780Kb / 32P	[Old version datasheet] LOW VOLTAGE 16-BIT I2C AND SMBus LOW-POWER I/O EXPANDER WITH INTERRUPT OUTPUT AND CONFIGURATION REGISTERS

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Аналогичный номер детали - TCA9555RTWR

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