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Auto-direction voltage translators

LSF0204D

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4-Bit Bidirectional Multi-Voltage Level Translator for Open-Drain & Push-Pull

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Data sheet

LSF0204D

ACTIVE
Data sheet Order now

Product details

Technology family LSF Applications I2C, SPI Bits (#) 4 Data rate (max) (Mbps) 200 High input voltage (min) (V) 0.95 High input voltage (max) (V) 5 Vout (min) (V) 0.95 Vout (max) (V) 5 IOH (max) (mA) 0 IOL (max) (mA) 0 Supply current (max) (µA) 12.5 Features Output enable Input type Transmission Gate Output type 3-State, Transmission Gate Rating Catalog Operating temperature range (°C) -40 to 125
Technology family LSF Applications I2C, SPI Bits (#) 4 Data rate (max) (Mbps) 200 High input voltage (min) (V) 0.95 High input voltage (max) (V) 5 Vout (min) (V) 0.95 Vout (max) (V) 5 IOH (max) (mA) 0 IOL (max) (mA) 0 Supply current (max) (µA) 12.5 Features Output enable Input type Transmission Gate Output type 3-State, Transmission Gate Rating Catalog Operating temperature range (°C) -40 to 125
DSBGA (YZP) 12 3.9375 mm² 2.25 x 1.75 TSSOP (PW) 14 32 mm² 5 x 6.4 UQFN (RUT) 12 3.4 mm² 2 x 1.7 VQFN (RGY) 14 12.25 mm² 3.5 x 3.5
  • Provides bidirectional voltage translation with no direction terminal
  • Supports up to 100-MHz up translation and greater than 100-MHz down translation at ≤ 30-pF capacitor load and up to 40-MHz up/down translation at 50-pF capacitor load
  • Supports Ioff, partial power-down mode (refer to Feature Description)
  • Allows bidirectional voltage level translation between
    • 0.8 V ↔ 1.8, 2.5, 3.3, 5 V
    • 1.2 V ↔ 1.8, 2.5, 3.3, 5 V
    • 1.8 V ↔ 2.5, 3.3, 5 V
    • 2.5 V ↔ 3.3, 5 V
    • 3.3 V ↔ 5 V
  • Low standby current
  • 5 V Tolerance I/O port to support TTL
  • Low Ron provides less signal distortion
  • High-impedance I/O terminals for EN = Low
  • Flow-through pinout for easy PCB trace routing
  • Latch-up performance exceeds 100 mA per JESD17
  • –40°C to 125°C operating temperature range
  • ESD performance tested per JESD 22
    • 2000-V human-body model (A114-B, Class II)
    • 200-V machine model (A115-A)
    • 1000-V charged-device model (C101)
  • Provides bidirectional voltage translation with no direction terminal
  • Supports up to 100-MHz up translation and greater than 100-MHz down translation at ≤ 30-pF capacitor load and up to 40-MHz up/down translation at 50-pF capacitor load
  • Supports Ioff, partial power-down mode (refer to Feature Description)
  • Allows bidirectional voltage level translation between
    • 0.8 V ↔ 1.8, 2.5, 3.3, 5 V
    • 1.2 V ↔ 1.8, 2.5, 3.3, 5 V
    • 1.8 V ↔ 2.5, 3.3, 5 V
    • 2.5 V ↔ 3.3, 5 V
    • 3.3 V ↔ 5 V
  • Low standby current
  • 5 V Tolerance I/O port to support TTL
  • Low Ron provides less signal distortion
  • High-impedance I/O terminals for EN = Low
  • Flow-through pinout for easy PCB trace routing
  • Latch-up performance exceeds 100 mA per JESD17
  • –40°C to 125°C operating temperature range
  • ESD performance tested per JESD 22
    • 2000-V human-body model (A114-B, Class II)
    • 200-V machine model (A115-A)
    • 1000-V charged-device model (C101)

The LSF family consists of bidirectional voltage level translators that operate from 0.8 V to 4.5 V (Vref_A) and 1.8 V to 5.5 V (Vref_B). This range allows for bidirectional voltage translations between 0.8 V and 5.0 V without the need for a direction terminal in open-drain or push-pull applications. The LSF family supports level translation applications with transmission speeds greater than 100 MHz for open-drain systems that utilize a 15-pF capacitance and 165-Ω pull-up resistor.

When the An or Bn port is LOW, the switch is in the ON-state and a low resistance connection exists between the An and Bn ports. The low Ron of the switch allows connections to be made with minimal propagation delay and signal distortion. The voltage on the A or B side will be limited to Vref_A and can be pulled up to any level between Vref_A and 5 V. This functionality allows a seamless translation between higher and lower voltages selected by the user without the need for directional control.

The LSF family consists of bidirectional voltage level translators that operate from 0.8 V to 4.5 V (Vref_A) and 1.8 V to 5.5 V (Vref_B). This range allows for bidirectional voltage translations between 0.8 V and 5.0 V without the need for a direction terminal in open-drain or push-pull applications. The LSF family supports level translation applications with transmission speeds greater than 100 MHz for open-drain systems that utilize a 15-pF capacitance and 165-Ω pull-up resistor.

When the An or Bn port is LOW, the switch is in the ON-state and a low resistance connection exists between the An and Bn ports. The low Ron of the switch allows connections to be made with minimal propagation delay and signal distortion. The voltage on the A or B side will be limited to Vref_A and can be pulled up to any level between Vref_A and 5 V. This functionality allows a seamless translation between higher and lower voltages selected by the user without the need for directional control.
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Technical documentation

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Type Title Date
* Data sheet LSF0204x 4-Bits Bidirectional Multi-Voltage Level Translator for Open-Drain and Push-Pull Application datasheet (Rev. H) PDF | HTML 29 Apr 2021
Application note Schematic Checklist - A Guide to Designing with Auto-Bidirectional Translators PDF | HTML 12 Jul 2024
Application note Understanding Transient Drive Strength vs. DC Drive Strength in Level-Shifters (Rev. A) PDF | HTML 03 Jul 2024
Selection guide Voltage Translation Buying Guide (Rev. A) 15 Apr 2021
EVM User's guide LSF-EVM Hardware User's Guide 05 Jul 2017
Application note Voltage-Level Translation With the LSF Family (Rev. B) 12 Mar 2015

Design & development

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Evaluation board

14-24-LOGIC-EVM — Logic product generic evaluation module for 14-pin to 24-pin D, DB, DGV, DW, DYY, NS and PW packages

The 14-24-LOGIC-EVM evaluation module (EVM) is designed to support any logic device that is in a 14-pin to 24-pin D, DW, DB, NS, PW, DYY or DGV package,

User guide: PDF | HTML
Not available on TI.com
Evaluation board

14-24-NL-LOGIC-EVM — Logic product generic evaluation module for 14-pin to 24-pin non-leaded packages

14-24-NL-LOGIC-EVM is a flexible evaluation module (EVM) designed to support any logic or translation device that has a 14-pin to 24-pin BQA, BQB, RGY, RSV, RJW or RHL package.

User guide: PDF | HTML
Not available on TI.com
Evaluation board

LSF-EVM — 1 to 8-bit LSF Translator Family Evaluation Module

The LSF family of devices are level translators that support a voltage range of 0.95V and 5V and provide multi-voltage bidirectional translation without a direction pin.

The LSF-EVM comes populated with the LSF0108PWR device and has landing patterns that are compatible with the LSF0101DRYR, (...)

User guide: PDF
Not available on TI.com
Package Pins CAD symbols, footprints & 3D models
DSBGA (YZP) 12 Ultra Librarian
TSSOP (PW) 14 Ultra Librarian
UQFN (RUT) 12 Ultra Librarian
VQFN (RGY) 14 Ultra Librarian
TI's Standard Terms and Conditions for Evaluation Items apply.

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