TCA9509DGKR - TI

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

Part No

TCA9509DGKR
Manufacturer

TI
ChipWorker Part#

CW1844245
Category

Interface IC, Interface Controller
Package

VSSOP-8
Description

I²C Logic Repeater 3.3V/5V 8Pin VSSOP T/R
Documentation

Datasheet

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TCA9509DGKR Specifications

Attribute	Attribute Value

Part Number	TCA9509DGKR
Manufacturer	TI
ChipWorker Part#	CW1844245
Category	Interface IC, Interface Controller
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	VSSOP-8
Supply Voltage (DC)	2.70V ~ 5.50V
Number of Outputs	2 Output
Supply Current	3 mA
Number of Channels	1 Channel
Number of Positions	8 Position
Power Dissipation	100 mW
Input Capacitance	6.5 pF
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	100 mW
Supply Voltage	2.7V ~ 5.5V
Supply Voltage (Max)	5.5 V
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Size-Length	3.1 mm
Size-Width	3.1 mm
Size-Height	0.95 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Cut Tape (CT)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance Edition	2015/06/15
ECCN Code	EAR99

Product Description

The TCA9509DGKR is an I²C bus/SMBus Repeater for use in I²C/SMBus systems. It can also provide bidirectional voltage-level translation (up-translation/down-translation) between low voltages (down to 0.9V) and higher voltages (2.7 to 5.5V) in mixed-mode applications. This device enables I²C and similar bus systems to be extended, without degradation of performance even during level shifting. The TCA9509 buffers both the serial data (SDA) and the serial clock (SCL) signals on the I²C bus, thus allowing 400pF bus capacitance on the B-side. This device can also be used to isolate two halves of a bus for voltage and capacitance. The TCA9509 has two types of drivers, A-side drivers and B-side drivers. All inputs and B-side I/O"s are over-voltage tolerant to 5.5V. The A-side I/O"s are over-voltage tolerant to 5.5V when the device is unpowered (VCCB and/or VCCA=0V).
Two-channel bidirectional buffer
Active-high repeater-enable input
Requires no external pull-up resistors on lower-voltage port-A
Open-drain I²C I/O
5.5V Tolerant I²C and enable input support mixed-mode signal operation
Lock-up free operation
Accommodates standard-mode and fast-mode I²C devices and multiple masters
Supports arbitration and clock stretching across repeater
Powered-OFF high-impedance I²C-bus pins
Green product and no Sb/Br

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