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)