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PCA9306

Texas Instruments
Part Number PCA9306
Manufacturer Texas Instruments
Description SMBus Voltage-Level Translator
Published Jul 10, 2020
Detailed Description Product Folder Order Now Technical Documents Tools & Software Support & Community PCA9306 SCPS113M – OCTOBER 2004 –...
Datasheet PDF File PCA9306 PDF File

PCA9306
PCA9306

Overview
Product Folder Order Now Technical Documents Tools & Software Support & Community PCA9306 SCPS113M – OCTOBER 2004 – REVISED APRIL 2019 PCA9306 Dual Bidirectional I2C Bus and SMBus Voltage-Level Translator 1 Features •1 2-Bit bidirectional translator for SDA and SCL lines in mixed-mode I2C Applications • I2C and SMBus Compatible • Less than 1.
5-ns Maximum Propagation Delay to Accommodate Standard-mode and Fast-mode I2C Devices and Multiple Masters • Allows Voltage-level Translation Between – 1.
2-V VREF1 and 1.
8-V, 2.
5-V, 3.
3-V, or 5-V VREF2 – 1.
8-V VREF1 and 2.
5-V, 3.
3-V, or 5-V VREF2 – 2.
5-V VREF1 and 3.
3-V or 5-V VREF2 – 3.
3-V VREF1 and 5-V VREF2 • Provides Bidirectional Voltage Translation with no Direction Pin • Low 3.
5-Ω ON-state Resistance Between Input and Output Ports Provides Less Signal Distortion • Open-drain I2C I/O ports (SCL1, SDA1, SCL2, and SDA2) • 5-V Tolerant I2C I/O Ports to Support Mixed-mode Signal Operation • High-impedance SCL1, SDA1, SCL2, and SDA2 pins for EN = Low • Lockup-free Operation for Isolation when EN = Low • Flow-through Pinout for Ease of Printed-circuitboard Trace Routing • Latch-up Performance Exceeds 100 mA Per JESD 78, Class II • ESD Protection Exceeds JESD 22 – 2000-V Human-Body Model (A114-A) – 1000-V Charged-Device Model (C101) 2 Applications • I2C, SMBus, PMBus, MDIO, UART, low-speed SDIO, GPIO, and other two-signal interfaces • Servers • Routers (Telecom Switching Equipment) • Personal Computers • Industrial Automation 3 Description The PCA9306 device is a dual bidirectional I2C and SMBus voltage-level translator with an enable (EN) input, and is operational from 1.
2-V to 3.
3-V VREF1 and 1.
8-V to 5.
5-V VREF2.
The PCA9306 device allows bidirectional voltage translations between 1.
2 V and 5 V, without the use of a direction pin.
The low ON-state resistance (RON) of the switch allows connections to be made with minimal propagation delay.
When EN is high, the translator switch is ON, and the SCL1 and SDA1 I/O are conne...


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