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See Technical Specifications

TCA4307

I2C Buffer 3.3V/5V

Manufacturer: Texas Instruments, Inc
Mfr.Part #: TCA4307
Datasheet: TCA4307 Datasheet (PDF)
Package/Case: VSSOP-8
Product Type: Drivers
RoHS:
Lifecycle: Unconfirmed

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TCA4307 General Description

The TCA4307 is an I2C bus buffer with voltage-level translation. The I2C bus is a common two-wire serial communication protocol used to connect various digital devices in a system, such as microcontrollers, sensors, displays, and more. The TCA4307 is designed to enhance the robustness and reliability of I2C communication in scenarios where there are multiple devices with different supply voltage levels on the same bus.

Key Features

• Supports bidirectional data transfer of I2C bus signals
• Operating power-supply voltage range of 2.3 V to 5.5 V
• TA ambient air temperature range of -40 °C to 125 °C
• Stuck bus recovery featuring automatic bus recovery
• 1-V Precharge on all SDA and SCL lines prevents corruption during live insertion
• Accommodates standard mode and fast mode I2C devices
• Supports clock stretching, arbitration and synchronization
• Powered-off high-impedance I2C pins

Application

• Servers
• Enterprise Switching
• Telecom switching equipment
• Base stations
• Industrial automation equipment

Specifications

Features	Buffer, Enable pin, Hot swap, Stuck bus recovery	Frequency (max) (MHz)	0.4
VCCA (min) (V)	2.3	VCCA (max) (V)	5.5
VCCB (min) (V)	2.3	VCCB (max) (V)	5.5
Supply restrictions	VCC Single Supply	Rating	Catalog
Operating temperature range (°C)	-40 to 125	feature-type	Buffer
feature-process-technology		feature-input-signal-type	I2C
feature-typical-input-capacitance-pf	1.6	feature-minimum-operating-supply-voltage-v	2.3
feature-maximum-operating-supply-voltage-v	5.5	feature-maximum-supply-current-ma	4.5
feature-packaging		feature-rad-hard
feature-pin-count		feature-supplier-package
feature-standard-package-name1		feature-cecc-qualified
feature-esd-protection		feature-military
feature-aec-qualified	No	feature-aec-qualified-number
feature-auto-motive	No	feature-p-pap	No
feature-eccn-code		feature-svhc
feature-svhc-exceeds-threshold	No

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Ratings and Reviews

L**y 03/26/2024

The goods received. Thank you. Everything is very fast. Packed well. Visible damage is not visible. Not yet tested in work.

L**n 12/13/2021

The MC33PF8100EQES electronic components purchased from Avaq are outstanding! They perform exceptionally well, and I had no issues with their quality. Will definitely buy from Avaq again!

P**a 08/17/2021

The thing is very small, powerful

A**a 01/16/2020

The order reached the moscow region for 5 days. Packaging is ok, the goods are whole, like everything is working. No claims.