Dual J-K Negative-Edge-Triggered Flip-Flops With Preset, Common CLR And CLK 14-PDIP 0 to 70
Dual J-K Negative-Edge-Triggered Flip-Flops With Preset 14-PDIP 0 to 70

Dual J-K Negative-Edge-Triggered Flip-Flops With Preset 14-SOIC 0 to 70
Dual J-K Negative-Edge-Triggered Flip-Flops With Clear and Preset 16-PDIP 0 to 70