Texas Instruments SN74LS74AN Dual D Type Flip Flop IC, 14-Pin PDIP
3 x 6.57mm, Maximum Operating Supply Voltage: 5.35 x 4.Texas Instruments SN74LS74AN Dual D Type Flip Flop IC, 14-Pin PDIP, Input Type: Single Ended, Output Signal Type: Differential, Triggering Type: Positive Edge, Polarity: Inverting, Non-Inverting, Mounting Type: Through Hole, Set/Reset: Yes, Number of Elements per Chip: 2, Maximum Propagation Delay Time @ Maximum CL: 40 ns @ 5 V, Dimensions: 19.