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TXS0102DCUR Datasheet(PDF) 1 Page - Texas Instruments |
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TXS0102DCUR Datasheet(HTML) 1 Page - Texas Instruments |
1 / 23 page 1 B1 8 2 7 V CCB 3 6 OE 4 5 B2 GND V CCA A2 A1 V CCB B1 B2 OE V CCA A1 A2 GND 1 2 3 4 8 7 6 5 A2 5 4 A1 3 6 OE V CCA 2 7 V CCB GND 8 B1 1 B2 A1 B1 C1 D1 A2 B2 C2 D2 TXS0102 www.ti.com SCES640D – JANUARY 2007 – REVISED MARCH 2011 2-BIT BIDIRECTIONAL VOLTAGE-LEVEL TRANSLATOR FOR OPEN-DRAIN AND PUSH-PULL APPLICATIONS Check for Samples: TXS0102 1 FEATURES TYPICAL LEVEL-SHIFTER APPLICATIONS 2 • No Direction-Control Signal Needed • I2C/SMBus • Max Data Rates • UART – 24 Mbps (Push Pull) • GPIO – 2 Mbps (Open Drain) • Available in the Texas Instruments NanoStar ™ DCT OR DCU PACKAGE (TOP VIEW) 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 DQE OR DQM PACKAGE • Ioff Supports Partial-Power-Down Mode (TOP VIEW) Operation • Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II • ESD Protection Exceeds JESD 22 – A Port YZP PACKAGE – 2500-V Human-Body Model (A114-B) (BOTTOM VIEW) – 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) 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. 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 NanoStar is a trademark of Texas Instruments. PRODUCTION DATA information is current as of publication date. Copyright © 2007–2011, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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