TXS0102DCUR Two Bit Non Inverting Integrated Circuit Chip Partial Power Down Mode Operation
logic integrated circuits
,programmable logic array ic
TXS0102DCUR Programmable Logic ICS Voltage Levels 2-Bit Bi-Directional Voltage-Level-Trans
1 Features
- No Direction-Control Signal Needed
- Maximum Data Rates
- – 24 Mbps (Push Pull)
- – 2 Mbps (Open Drain)
- Available in the Texas Instruments NanoStarTM Package
- 1.65Vto3.6VonAPortand2.3Vto5.5VonB 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
2 Applications
-
I2C / SMBus
-
UART
-
GPIO
3 Description
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.
Device Information
| PART NUMBER | PACKAGE | BODY SIZE (NOM) |
| TXS0102DCT | SSOP (8) | 2.95 mm × 2.80 mm |
| TXS0102DCU | VSSOP (8) | 2.30 mm × 2.00 mm |
| TXS0102DQE | X2SON (8) | 1.40 mm × 1.00 mm |
| TXS0102DQM | X2SON (8) | 1.80 mm × 1.20 mm |
| TXS0102YZP | DSBGA (8) | 1.90 mm × 0.90 mm |
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