Description
The CY2277A is a Clock Synthesizer/Driver for Pentium, Pentium II, 6X86, and K6 portable PCs designed with the Intel® 82430TX or similar chipsets.
Features
- Mixed 2.5V and 3.3V operation.
- Complete clock solution to meet requirements of Pentium®, Pentium® II, 6x86, or K6 motherboards.
- Four CPU clocks at 2.5V or 3.3V.
- Up to eight 3.3V SDRAM clocks.
- Seven 3.3V synchronous PCI clocks, one free running.
- Two 3.3V USB/IO clocks at 48 or 24 MHz, selectable by serial interface.
- One 2.5V IOAPIC clock at 14.318 MHz.
- Two 3.3V Ref. clocks at 14.318 MHz.
- Factory-EPROM programmable C.