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LSF0108-Q1
  • LSF0108-Q1
  • LSF0108-Q1
  • LSF0108-Q1
  • LSF0108-Q1
  • LSF0108-Q1
  • LSF0108-Q1
  • LSF0108-Q1

LSF0108-Q1

ACTIVE

Automotive eight-channel bidirectional multi-voltage-level translator

Texas Instruments LSF0108-Q1 Product Info

1 April 2026 0

Parameters

Bits (#)

8

Data rate (max) (Mbps)

200

Topology

Open drain, Push-Pull

Direction control (typ)

Auto-direction

Vin (min) (V)

0.65

Vin (max) (V)

4.9

Vout (min) (V)

1.25

Vout (max) (V)

5.5

Applications

GPIO, I2C, JTAG, MDIO, SDIO, SMBus, SPI, UART

Features

Output enable, Wettable flanks package

Prop delay (ns)

2.2

Technology family

LSF

Supply current (max) (mA)

0.0015

Rating

Automotive

Operating temperature range (°C)

-40 to 125

Package

TSSOP (PW)-20-41.6 mm² 6.5 x 6.4

Features

  • AEC-Q100 qualified with the following results:
    • Device HBM ESD classification level 2000-V
    • Device CDM ESD classification level 1000-V
  • Available in wettable flank VQFN (RKS) package

  • Provides bidirectional voltage translation with no direction pin
  • Supports up to 100 MHz up translation and greater than 100 MHz down translation at ≤ 30-pF capacitive load and up to 40 MHz up or down translation at 50-pF capacitive load
  • Supports hot insertion
  • Allow bidirectional voltage level translation between
    • 0.65 V ↔ 1.8 V, 2.5 V, 3.3 V, 5 V (RKS package only)
    • 0.95 V ↔ 1.8 V, 2.5 V, 3.3 V, 5 V
    • 1.2 V ↔ 1.8 V, 2.5 V, 3.3 V, 5 V
    • 1.8 V ↔ 2.5 V, 3.3 V, 5 V
    • 2.5 V ↔ 3.3 V, 5 V
    • 3.3 V ↔ 5 V
  • Low standby current
  • 5-V tolerance I/O port to support TTL
  • Low r on provides less signal distortion
  • High-impedance I/O pins for EN = low
  • Flow-through pin-out for easy PCB trace routing
  • Latch-up performance exceeds 100 mA per JESD 17
  • –40°C to +125°C operating temperature range
  • AEC-Q100 qualified with the following results:
    • Device HBM ESD classification level 2000-V
    • Device CDM ESD classification level 1000-V
  • Available in wettable flank VQFN (RKS) package

  • Provides bidirectional voltage translation with no direction pin
  • Supports up to 100 MHz up translation and greater than 100 MHz down translation at ≤ 30-pF capacitive load and up to 40 MHz up or down translation at 50-pF capacitive load
  • Supports hot insertion
  • Allow bidirectional voltage level translation between
    • 0.65 V ↔ 1.8 V, 2.5 V, 3.3 V, 5 V (RKS package only)
    • 0.95 V ↔ 1.8 V, 2.5 V, 3.3 V, 5 V
    • 1.2 V ↔ 1.8 V, 2.5 V, 3.3 V, 5 V
    • 1.8 V ↔ 2.5 V, 3.3 V, 5 V
    • 2.5 V ↔ 3.3 V, 5 V
    • 3.3 V ↔ 5 V
  • Low standby current
  • 5-V tolerance I/O port to support TTL
  • Low r on provides less signal distortion
  • High-impedance I/O pins for EN = low
  • Flow-through pin-out for easy PCB trace routing
  • Latch-up performance exceeds 100 mA per JESD 17
  • –40°C to +125°C operating temperature range

Description

  • Supports up to 100 MHz up translation and greater than 100 MHz down translation at ≦ 30 pF capacitive load and up to 40 MHz up and down translation at 50 pF capacitive load:
    • Allows the LSF family to support more consumer or telecom interfaces (MDIO or SDIO)
  • Bidirectional voltage translation without DIR pin:
    • Minimizes system effort to develop voltage translation for bidirectional interface (PMBus, I 2C, or SMbus)
  • 5 V tolerance on IO port and 125°C support:
    • With 5 V tolerance and 125°C support, the LSF family is flexible and compliant with TTL levels in industrial and telecom applications
  • Channel specific translation:
    • The LSF family is able to set up different voltage translation levels on each channel

  • Supports up to 100 MHz up translation and greater than 100 MHz down translation at ≦ 30 pF capacitive load and up to 40 MHz up and down translation at 50 pF capacitive load:
    • Allows the LSF family to support more consumer or telecom interfaces (MDIO or SDIO)
  • Bidirectional voltage translation without DIR pin:
    • Minimizes system effort to develop voltage translation for bidirectional interface (PMBus, I 2C, or SMbus)
  • 5 V tolerance on IO port and 125°C support:
    • With 5 V tolerance and 125°C support, the LSF family is flexible and compliant with TTL levels in industrial and telecom applications
  • Channel specific translation:
    • The LSF family is able to set up different voltage translation levels on each channel

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