24-Pin Dual-Port I/O Expander, 5V, Industrial Temperature, PDIP-24
Parallel I/O Port, 4-Bit, 20 I/O, CMOS, PDIP24, 0.600 INCH, 2.54 MM PITCH, PLASTIC, DIP-24
IC,CPU SYSTEM CLOCK GENERATOR,BIPOLAR,DIP,18PIN,CERAMIC