Quad 2-input AND gate - Description: Quad 2-Input AND gate ; Logic switching levels: TTL ; Number of pins: 14 ; Output drive capability: -15/ 20 mA ; Propagation delay: 2.4 ns; Voltage: 4.5-5.5 V ABT SERIES, QUAD 2-INPUT AND gate, PDSO14 Quad 2-input AND gate 输入与门 From old datasheet system Quad 2-input AND gate(输入与门)