BUY TC4019BP https://www.utsource.net/itm/p/1274677.html
AND-OR GATE, 4000/14000/40000 SERIES, 4-FUNC, 2-INPUT, CMOS, PDIP16
Description: The TC4019BP is a CMOS dual 4-bit binary counter with complementary outputs. Features: High speed operation: tPHL = tPLH = 4.5ns (typ.) at VCC = 5V Low power dissipation: ICC = 0.4μA (max) at Ta = 25°C High noise immunity: VNIH = VNIL = 28% VCC (min) Output drive capability: 10 LSTTL loads Balanced propagation delays: tPHL = tPLH Wide operating voltage range: VCC (opr) = 2 to 6V Applications: Frequency division Pulse generation Time delay generation Pulse width modulation Pulse position modulation (For reference only)