Frequency timing generator for Pentium II system 820 Single Chip Clock, Supports 66.6 - 150MHz Frequency Timing generator for PENTIUM II Systems 20-Bit Buffers/Drivers With 3-State Outputs 56-SSOP -40 to 85 150 MHz, PROC SPECIFIC CLOCK generator, PDSO48 SSOP-48 Replaced by SN74ABT16373A : 16-Bit Transparent D-Type Latches With 3-State Outputs 48-SSOP -40 to 85 频率的奔腾II系统时序发生