W48C55A Overview
Fixed 1.843-MHz output for serial I/O clock application Fixed 12-MHz output for keyboard clock application Fixed 16-MHz output for APIC or bus clock application Fixed Reference output.
W48C55A Key Features
- Proprietary crystal oscillator circuitry provides low REFOUT jitter, excellent duty cycle
- Power-on delay feature ensures full VDD is reached prior to output activation
- 3.3V and 5V operation supported including the VRE (Voltage Regulated Extended) specification for Pentium® processor
- Pin and function patible with AV9154/AV9155
- Integral PLL loop filter ponents ensures stable PLL
- Smooth frequency transition of CPU and 2XCPU outputs
- patible with Intel X86 and other high-performance processors
- Up to eight outputs for CPU and peripherals
- Supports Green PC and notebook designs
- Custom options available with metal layer change