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L9637D - Monolithic bus driver

Download the L9637D datasheet PDF. This datasheet also covers the L9637 variant, as both devices belong to the same monolithic bus driver family and are provided as variant models within a single manufacturer datasheet.

General Description

The L9637 is a monolithic integrated circuit containing standard ISO 9141 compatible interface functions.

Table 1.

1.

Key Features

  • Operating power supply voltage range 4.5 V  VS  36 V (40 V for transients).
  • Reverse supply (battery) protected down to VS  -24 V.
  • Standby mode with very low current consumption ISSB 1 mA @ VCC 0.5 V.
  • Low quiescent current in off condition ISOFF = 120 µA.
  • TTL compatible TX input.
  • Bidirectional K-I/O pin with supply voltage dependent input threshold.
  • Overtemperature shut down function Selective to K-I/O pin.
  • Wide input and output voltage range -24 V.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (L9637-STMicroelectronics.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by STMicroelectronics

Part Number Description
L9637 Monolithic bus driver
L9654 Quad squib driver and dual sensor interface ASIC
L9658 Octal squib driver and quad sensor interface ASIC
L9659 Octal squib driver ASIC
L9660 Quad squib driver ASIC

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
L9637 Monolithic bus driver with ISO 9141 interface Features ■ Operating power supply voltage range 4.5 V  VS  36 V (40 V for transients) ■ Reverse supply (battery) protected down to VS  -24 V ■ Standby mode with very low current consumption ISSB 1 mA @ VCC 0.5 V ■ Low quiescent current in off condition ISOFF = 120 µA ■ TTL compatible TX input ■ Bidirectional K-I/O pin with supply voltage dependent input threshold ■ Overtemperature shut down function Selective to K-I/O pin ■ Wide input and output voltage range -24 V  VK  VS ■ K output current limitation, typ.