Frequency generator and integrated buffer for Celeron and Pentium II/III ,K6 Frequency generator & Integrated Buffers for Celeron & PII/III⑩& K6 Single Chip, SIS 540/630 System Clock with up to 166MHz Frequency generator & Integrated Buffers for Celeron & PII/III& K6 Frequency generator & Integrated Buffers for Celeron & PII/III? K6