From old datasheet system Precision 8-Channel/dual 4-Channel high-performance CMOS Analog Multiplexers Precision, 8-Channel/dual 4-Channel, high-performance, CMOS Analog Multiplexers Precision / 8-Channel/dual 4-Channel / high-performance / CMOS Analog Multiplexers Floating-Point Digital Signal Processor 144-HTQFP 8-CHANNEL, SGL ended MULTIPLEXER, PDIP16