Product
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LSF0101
  • LSF0101
  • LSF0101
  • LSF0101
  • LSF0101
  • LSF0101
  • LSF0101
  • LSF0101

LSF0101

ACTIVE

Single bi-directional multi-voltage level translator

Texas Instruments LSF0101 Product Info

1 April 2026 2

Parameters

Bits (#)

1

Data rate (max) (Mbps)

200

Topology

Open drain, Push-Pull

Vin (min) (V)

0.95

Vin (max) (V)

3.6

Vout (min) (V)

1.8

Vout (max) (V)

5

Applications

GPIO, I2C, MDIO, PMBus, SMBus

Features

Output enable

Prop delay (ns)

0.4

Technology family

LSF

Supply current (max) (mA)

0.0125

Rating

Catalog

Operating temperature range (°C)

-40 to 125

Package

USON (DRY)-6-1.45 mm² 1.45 x 1

Features

  • 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
  • Allows bidirectional voltage-level translation between
    • 0.95 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 R ON provides less signal distortion
  • High-impedance I/O pins for EN = Low
  • Flow-through pinout for easy PCB trace routing
  • Latch-up performance >100 mA per JESD 17
  • –40°C to 125°C operating temperature range
  • 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
  • Allows bidirectional voltage-level translation between
    • 0.95 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 R ON provides less signal distortion
  • High-impedance I/O pins for EN = Low
  • Flow-through pinout for easy PCB trace routing
  • Latch-up performance >100 mA per JESD 17
  • –40°C to 125°C operating temperature range

Description

The LSF family of devices supports bidirectional voltage translation without the need for DIR pin which minimizes system effort (for PMBus, I 2C, SMBus, and so forth). The LSF family of devices 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 which allows the LSF family to support more consumer or telecom interfaces (MDIO or SDIO).

LSF family supports 5-V tolerance on I/O port which makes it compatible with TTL levels in industrial and telecom applications. The LSF family is able to set up different voltage translation levels which makes it very flexible.

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