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TXS0102 Datasheet

Part NameTXS0102 TI
Texas Instruments TI
Description2-BIT BIDIRECTIONAL VOLTAGE-LEVEL TRANSLATOR FOR OPEN-DRAIN AND PUSH-PULL APPLICATIONS
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DESCRIPTION/ORDERING INFORMATION
This two-bit non-inverting translator is a bidirectional voltage-level translator and can be used to establish digital switching compatibility between mixed-voltage systems. It uses two separate configurable power-supply rails, with the A ports supporting operating voltages from 1.65 V to 3.6 V while it tracks the VCCA supply, and the B ports supporting operating voltages from 2.3 V to 5.5 V while it tracks the VCCB supply. This allows the support of both lower and higher logic signal levels while providing bidirectional translation capabilities between any of the 1.8-V, 2.5-V, 3.3-V, and 5-V voltage nodes.
When the output-enable (OE) input is low, all I/Os are placed in the high-impedance state, which significantly reduces the power-supply quiescent current consumption.
To ensure the high-impedance state during power up or power down, OE should be tied to GND through a pulldown resistor; the minimum value of the resistor is determined by the current-sourcing capability of the driver.

FEATURES
• No Direction-Control Signal Needed
• Max Data Rates
   – 24 Mbps (Push Pull)
   – 2 Mbps (Open Drain)
• Available in the Texas Instruments NanoStar™ Package
• 1.65 V to 3.6 V on A port and 2.3 V to 5.5 V on B port (VCCA ≤ VCCB)
• VCC Isolation Feature – If Either VCC Input Is at
   GND, Both Ports Are in the High-Impedance State
• No Power-Supply Sequencing Required –
   Either VCCA or VCCB Can Be Ramped First
• Ioff Supports Partial-Power-Down Mode Operation
• Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
• ESD Protection Exceeds JESD 22
   – A Port
      – 2500-V Human-Body Model (A114-B)
      – 250-V Machine Model (A115-A)
      – 1500-V Charged-Device Model (C101)
   – B Port
      – 8-kV Human-Body Model (A114-B)
      – 250-V Machine Model (A115-A)
      – 1500-V Charged-Device Model (C101)
     
TYPICAL LEVEL-SHIFTER APPLICATIONS
• I2C/SMBus
• UART
• GPIO

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