BUY HEF4013BTT https://www.utsource.net/itm/p/4510513.html
Tolerant of slow clock rise and fall times
Description: Dual D-Type Flip-Flop Features: Low power consumption Low noise High noise immunity High speed High output current capability High input impedance CMOS technology High noise immunity Low input current High input impedance Low power consumption Applications: Data storage Data transfer Data conversion Frequency division Clock generation Signal regeneration Pulse generation Signal gating Signal sampling (For reference only)