4-Bit Arithmetic Logic Unit, TTL, 5V, CDIP, Through Hole
TTL/H/L SERIES, 4-BIT MAGNITUDE COMPARATOR, TRUE OUTPUT, CDIP16
14-Pin Dual In-Line TTL/H/L Bus Driver IC, 5V 4.5-5.5V
TTL/H/L SERIES, 4-BIT DRIVER, TRUE OUTPUT, CDIP14