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MK1443 - SCSI and Ethernet Clock Source

Download the MK1443 datasheet PDF. This datasheet also covers the MK144x-0xSTR variant, as both devices belong to the same scsi and ethernet clock source family and are provided as variant models within a single manufacturer datasheet.

Key Features

  • The MK1442/3 are the ideal way to generate clocks for desktop computer motherboards and LAN workstations. Using analog Phase-Locked Loop (PLL) techniques, the devices accept a 14.318 MHz crystal input to produce multiple output clocks up to 100 MHz. They provide 2XCPU, CPU, floppy controller, keyboard, system, SCSI and Ethernet clocks. The MK1442/3 are perfect for new Pentium™ Processor, PCI bus and 486 systems. The devices can operate at 5V or 3.3V up to and including 80MHz on the CPU clock. T.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (MK144x-0xSTR_IntegratedCircuitSystems.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number MK1443
Manufacturer Integrated Circuit Systems
File Size 67.57 KB
Description SCSI and Ethernet Clock Source
Datasheet download datasheet MK1443 Datasheet

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Other Datasheets by Integrated Circuit Systems

Part Number Description
MK1443 SCSI and Ethernet Clock Source
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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
MK1442/MK1443 SCSI and Ethernet Clock Source Description Features The MK1442/3 are the ideal way to generate clocks for desktop computer motherboards and LAN workstations. Using analog Phase-Locked Loop (PLL) techniques, the devices accept a 14.318 MHz crystal input to produce multiple output clocks up to 100 MHz. They provide 2XCPU, CPU, floppy controller, keyboard, system, SCSI and Ethernet clocks. The MK1442/3 are perfect for new Pentium™ Processor, PCI bus and 486 systems. The devices can operate at 5V or 3.3V up to and including 80MHz on the CPU clock. The devices are identical except the MK1442 has an Output Enable (OE) pin that tri-states all outputs when taken low, and the MK1443 has an extra 14.318 MHz clock.