Datasheet4U Logo Datasheet4U.com

SI2494 - V.92 AND V.34 ISOMODEM

Download the SI2494 datasheet PDF. This datasheet also covers the SI2439 variant, as both devices belong to the same v.92 and v.34 isomodem family and are provided as variant models within a single manufacturer datasheet.

General Description

The Si2494/39 ISOmodem is a full-featured ITU V.92/V.34-compliant modem that provides connect rates of up to 56 kbps, full-duplex, over the public switched telephone network (PSTN).

Key Features

  • Data modem formats.
  • ITU-T, Bell.
  • 300 bps up to 56 kbps.
  • V.21,V.22, V.29 Fast Connect.
  • V.44, V.42, V.42bis, MNP2-5.
  • Automatic rate negotiation.
  • V.92 PCM upstream.
  • V.92 Quick connect.
  • V.92 Modem on hold.
  • Type I and II caller ID decode.
  • No external ROM or RAM required.
  • UART, SPI, or parallel interface.
  • Flexible clock options.
  • Low-cost 32.768 kHz oscillator.
  • 4.915 MHz oscillator.
  • 27 MHz clock input.
  • Integrated DAA.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (SI2439-SiliconLaboratories.pdf) that lists specifications for multiple related part numbers.

Full PDF Text Transcription for SI2494 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for SI2494. For precise diagrams, and layout, please refer to the original PDF.

Si2494/39 V. 9 2 AND V. 3 4 I S O MODEM® WITH G LOBAL D A A Features  Data modem formats ITU-T, Bell 300 bps up to 56 kbps V.21,V.22, V.29 Fast Connect V.44, V.4...

View more extracted text
ell 300 bps up to 56 kbps V.21,V.22, V.29 Fast Connect V.44, V.42, V.42bis, MNP2-5 Automatic rate negotiation V.92 PCM upstream V.92 Quick connect V.92 Modem on hold  Type I and II caller ID decode  No external ROM or RAM required  UART, SPI, or parallel interface  Flexible clock options Low-cost 32.768 kHz oscillator 4.

More Datasheets from Silicon Laboratories

Part Number Description
Si2493 V.92 ISOMODEM
Si2400 V.22BIS ISOMODEM
Si2404 ISOMODEM
Si2415 ISOMODEM
Si2434 ISOMODEM
SI2439 V.92 AND V.34 ISOMODEM
Si2457 ISOMODEM
SI2107 SATELLITE RECEIVER
SI2108 SATELLITE RECEIVER
SI2109 SATELLITE RECEIVER