BUY HEF4050BT https://www.utsource.net/itm/p/11246431.html
Description: The HEF4050BT is a quad 2-input NAND gate with Schmitt-trigger inputs.
Features:
Low power consumption
High noise immunity
Schmitt-trigger inputs
Outputs can drive up to 10 LS-TTL loads
Inputs accept voltages up to 7V
Outputs in phase with inputs
Outputs source/sink up to 20mA
CMOS low power consumption
ESD protection: HBM EIA/JESD22-A114-A exceeds 2000V
Latch-up performance exceeds 100mA on all pins
SO-14 package
Applications:
Logic gates
Logic buffers
Line receivers
Clock generators
Flip-flops
Counters
Data selectors/multiplexers
Analog switches
Signal routing
Interface circuits
(For reference only)