74XX

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The 7400 series of TTL integrated circuit SSI devices were historically important as the first widespread family of IC devices. Modern variants of the family are still used today for glue logic and sometimes in consumer electronics.

Full Text :http://en.wikipedia.org/wiki/7400_series

74HC03	Quad 2-input NAND gate
74HC11	Triple 3-input AND gate
74HC20	Dual 4-input NAND gate
74HC244	Octal buffer/line driver; 3-state
74HC245	Octal bus transceiver; 3-state
74HC4002	Dual 4-input NOR gate
74HC4053	8-channel analog multiplexer/demultiplexer
74HC4016	Quad bilateral switches
74HC4017	Johnson decade counter with 10 decoded outputs
74HC4020	14-stage binary ripple counter
74HC4024	7-stage binary ripple counter
74HC4040	12-stage binary ripple counter
74HC4051	8-channel analog multiplexer/demultiplexer
74HC4052	Dual 4-channel analog multiplexer/demultiplexer
74HC4053	Triple 2-channel analog multiplexer/demultiplexer
74HC4067	16-channel analog multiplexer/demultiplexer
74HC4075	Triple 3-input OR gate
74HC4094	8-stage shift-and-store bus register