CUB DFD2 R Austria Mikro Systeme International 0.6 µm CMOS DFD2 is a fast, static, master-slave D flip-flop with 2x drive strength. SET is asynchronous and active low. Truth Table SN D C H H H L H L X X É H L É L H Ê no change X Q Capacitance H QN SN D Ci (pF) Q D C SN DFD2 C L QN 0.025 0.020 0.033 Area Power 1.76 mils2 6.60 µW / MHz Delay [ns] = tpd.. = f(SL, L) Output Slope [ns] = op_sl.. = f(L) AC Characteristics : Tj = 25°C with SL = Input Slope [ns] ; L = Output Load [pF] with L = Output Load [pF] VDD = 3.3V Typical Process AC Characteristics Characteristics Symbol Delay C to Q SL = 0.1 SL = 2.0 L = 0.2 L = 1.4 L = 2.0 L = 0.2 L = 1.4 L = 2.0 tpdcqr tpdcqf 0.81 0.73 1.78 1.64 2.26 2.08 0.98 0.88 1.95 1.80 2.41 2.23 Delay C to QN tpdcqnr tpdcqnf 0.98 1.07 1.94 1.95 2.43 2.40 1.13 1.25 2.08 2.13 2.58 2.57 Delay SN to Q tpdsnq 0.81 1.77 2.25 1.14 2.09 2.58 Delay SN to QN tpdsnqn 1.06 1.94 2.37 1.40 2.27 2.69 Output Slope C to Q op_slcqr op_slcqf 0.66 0.57 3.42 3.00 5.01 4.02 0.65 0.57 3.53 2.85 5.01 4.18 Output Slope C to QN op_slcqnr op_slcqnf 0.67 0.53 3.58 2.86 5.00 4.05 0.68 0.55 3.50 2.90 5.06 4.05 Output Slope SN to Q op_slsnq 0.67 3.43 4.97 0.67 3.53 4.90 Output Slope SN to QN op_slsnqn 0.56 2.87 4.15 0.56 2.82 4.11 Sept. 1996 - 116 - Rev. N/C CUB DFD2 R Austria Mikro Systeme International Characteristics 0.6 µm CMOS Symbol [ns] Characteristics Low tsudch tsudcl 0.15 0.13 Min D Hold Time to C Min SN Setup Time to C Low tsusnc 0.00 Low twch twcl 0.38 0.82 Low twsn 1.05 Min D Setup Time to C Min C Width Min SN Width Sept. 1996 High High - 117 - Symbol [ns] Low thdch thdcl 0.00 0.00 Min SN Hold Time to C Low thsnc 0.45 Rev. N/C High