TXB0104NMNR
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Texas Instruments TXB0104NMNR

Manufacturer No:
TXB0104NMNR
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
4-BIT BIDIRECTIONAL VOLTAGE-LEVE
Delivery:
Payment:
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Product Introduction

Overview

The TXB0104NMNR, produced by Texas Instruments, is a 4-bit bidirectional voltage-level translator designed for interfacing devices or systems operating at different interface voltages. This device uses two separate configurable power-supply rails, allowing for universal low-voltage bidirectional translation between various voltage nodes ranging from 1.2 V to 5.5 V. The TXB0104 is particularly useful in applications where different voltage domains need to communicate, ensuring seamless data transfer without the need for external level-shifting components.

Key Specifications

Parameter Description Value
Supply Voltage (VCCA) Range of supply voltage for A port 1.2 V to 3.6 V
Supply Voltage (VCCB) Range of supply voltage for B port 1.65 V to 5.5 V
Data Rate Maximum data transfer rate Up to 100 Mbps
Propagation Delay Time (A-to-B) Typical propagation delay from A to B port 5.7 ns (typical at VCCA = 1.2 V, VCCB = 1.8 V)
Propagation Delay Time (B-to-A) Typical propagation delay from B to A port 6.4 ns (typical at VCCA = 1.2 V, VCCB = 1.8 V)
Enable Time (OE-to-A/B) Time for output enable to take effect 1 μs
Disable Time (OE-to-A/B) Time for output disable to take effect 14 ns to 20 ns
Input Clamp Current Maximum current when input voltage is below 0 V -50 mA
Package Options Available package types UQFN, SOIC, BGA MICROSTAR JUNIOR, TSSOP, VQFN, DSBGA, NFBGA
Operating Temperature Range Range of temperatures for device operation -40°C to 85°C

Key Features

  • Bidirectional Voltage-Level Translation: Supports translation between different voltage nodes (1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V, and 5 V).
  • Automatic Direction Sensing: Automatically senses the direction of data flow without the need for external direction-control signals.
  • High-impedance State: Outputs enter a high-impedance state when the OE input is low, ensuring no current flow during power-up or power-down.
  • Partial Power-Down Capability: IOFF circuitry disables outputs to prevent backflow current when the device is powered down.
  • ESD Protection: ±15-kV Human-Body Model (A114-B) and 1500-V Charged-Device Model (C101) ESD protection.
  • Low Input Capacitance: Input capacitance as low as 3 pF to 14 pF depending on the port.

Applications

  • Headsets: For voltage translation in audio interfaces.
  • Smartphones and Tablets: To manage different voltage domains within mobile devices.
  • Desktop PCs: For interfacing peripherals with different voltage requirements.
  • Embedded Systems: In various embedded systems where multiple voltage domains are present.

Q & A

  1. What is the primary function of the TXB0104?

    The primary function of the TXB0104 is to perform bidirectional voltage-level translation between different voltage domains.

  2. What are the acceptable supply voltage ranges for VCCA and VCCB?

    VCCA can range from 1.2 V to 3.6 V, and VCCB can range from 1.65 V to 5.5 V.

  3. How does the TXB0104 handle power-up and power-down states?

    The device ensures a high-impedance state during power-up or power-down by tying the OE input to GND through a pulldown resistor.

  4. What is the maximum data rate supported by the TXB0104?

    The TXB0104 supports a maximum data rate of up to 100 Mbps.

  5. Does the TXB0104 have ESD protection?

    Yes, the TXB0104 has ±15-kV Human-Body Model (A114-B) and 1500-V Charged-Device Model (C101) ESD protection.

  6. What are the available package options for the TXB0104?

    The TXB0104 is available in UQFN, SOIC, BGA MICROSTAR JUNIOR, TSSOP, VQFN, DSBGA, and NFBGA packages.

  7. What is the operating temperature range of the TXB0104?

    The operating temperature range is -40°C to 85°C.

  8. How does the IOFF circuitry work in the TXB0104?

    The IOFF circuitry disables the outputs to prevent damaging current backflow when the device is powered down.

  9. What is the typical output impedance of the TXB0104 during output transitions?

    The typical output impedance varies from 40 Ω to 70 Ω depending on the VCCO voltage.

  10. What is the purpose of the OE input in the TXB0104?

    The OE input controls the output state; when low, it places all outputs in a high-impedance state.

Product Attributes

Translator Type:Voltage Level
Channel Type:Bidirectional
Number of Circuits:1
Channels per Circuit:4
Voltage - VCCA:1.2 V ~ 3.6 V
Voltage - VCCB:1.65 V ~ 5.5 V
Input Signal:- 
Output Signal:- 
Output Type:Tri-State, Non-Inverted
Data Rate:100Mbps
Operating Temperature:-40°C ~ 85°C (TA)
Features:- 
Mounting Type:Surface Mount
Package / Case:12-VFBGA
Supplier Device Package:12-NFBGA (2x2.5)
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