DL021 is a transparent, unbuffered D latch with active low gate transparency. SET is active low. Logic Symbol Truth Table Pin Loading DL021 DSQ G SN GN D Q L XXH H H X NC HL L L H L HH NC = No Change Equivalent Load D 1.0 GN 1.0 SN 1.0 Equivalent Gates 4.0 HDL Syntax Verilog DL021 inst_name.