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SN3257-Q1 - Automotive 5V 4-Channel Switch

General Description

The SN3257-Q1 is an automotive grade complementary metal-oxide semiconductor (CMOS) switch that supports high speed signals with low propagation delay.

The SN3257-Q1 offers a 2:1 (SPDT) switch configuration with 4-channels making it ideal for multi-lane protocols such as SPI and I2S.

Key Features

  • Functional safety-capable.
  • Documentation available to aid functional safety system design.
  • AEC-Q100 qualified for automotive.

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Full PDF Text Transcription (Reference)

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SN3257-Q1 SCDS411D – JULY 2019 – REVISED OCTOBER 2022 SN3257-Q1 Automotive 5-V, Low Propagation Delay, 2:1 (SPDT), 4-Channel Switch With 1.8 V Logic 1 Features • Functional safety-capable – Documentation available to aid functional safety system design • AEC-Q100 qualified for automotive application – Temperature grade 1: -40°C to +125°C, TA • Wide supply range: 1.5 V to 5.5 V • Low propagation delay: 78 ps • Low on-resistance: 5 Ω • High bandwidth: 2 GHz • Bidirectional signal path • Supports input voltage beyond supply • 1.8 V logic compatible • Integrated pull down resistor on logic pins • Fail-safe logic • Powered-off protection up to 3.