74AHC02D-T Quad 2-input NOR gate - Description: Quad 2-Input NOR Gate ; Logic switching levels: CMOS ; Number of pins: 14 ; Output drive capability: +/- 8 mA ; Power dissipation considerations: Low Power or Battery Applications ; Propagation delay: 2.9@5V ns; Voltage: 2.0-5.5 V
74AHC74BQ-G Dual D-type flip-flop with set and reset; positive-edge trigger - Description: Dual D-Type Flip-Flop with Set and Reset; Positive-Edge Trigger ; Fmax: 170 @ 5 V MHz; Logic switching levels: CMOS ; Output drive capability: +/- 8 mA ; Power dissipation considerations: Low Power or Battery Applications ; Propagation delay: 3.7@5 V ns; Voltage: 2.0-5.5 V