MK1491-14 Description
www.DataSheet4U.com MK1491-14 OPTi ACPI Firestar Clock Source .
The MK1491-14 is a low cost, low jitter, high performance clock synthesizer for OPTi’s Firestar and Firestar+ chipsets for Pentium™ Processor-based mo.
MK1491-14 Features
* Packaged in 28 pin, 150 mil wide SSOP
* Provides all critical timing for OPTi ACPI Firestar and Firestar+
* Early Host clock of 3.5ns
* Separate VDD and skew adjust for Host 5,6, and 7 supports field upgrade to Firestar+ and new 2.5V processors
* 48MHz USB,
MK1491-14 Applications
* Using analog Phase-Locked Loop (PLL) techniques, the device uses a 14.318 MHz crystal input to produce multiple output clocks up to 75 MHz. It provides selectable Host and PCI local bus clocks as well as selectable clocks for Super I/O or Universal Serial Bus (USB). The device has up to seven Host
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