CUB DFF2 R Austria Mikro Systeme International 0.6 µm CMOS DFF2 is a fast, static, master-slave D flip-flop with 2x drive strength. SET and RESET are asynchronous and active low. Truth Table SN RN L H H H H L H L H H H L Q Capacitance D C QN Ci (pF) X X H L X X X H L X L H É H L É L H Ê no change SN D D C SN RN Q DFF2 C RN QN illegal X Area 2.30 mils 0.020 0.020 0.034 0.041 Power 2 7.19 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 0.88 0.80 1.84 1.71 2.29 2.15 1.04 0.96 2.00 1.88 2.46 2.31 Delay C to QN tpdcqnr tpdcqnf 1.20 1.18 2.14 2.09 2.65 2.54 1.37 1.35 2.31 2.25 2.82 2.70 Delay SN to Q tpdsnq 0.88 1.83 2.32 1.20 2.18 2.65 Delay SN to QN tpdsnqn 1.18 2.07 2.50 1.50 2.40 2.83 Delay RN to Q tpdrnq 2.15 3.04 3.49 2.34 3.25 3.67 Delay RN to QN tpdrnqn 0.95 1.88 2.33 1.27 2.22 2.67 Output Slope C to Q op_slcqr op_slcqf 0.67 0.60 3.51 2.85 5.01 4.25 0.67 0.61 3.53 3.00 5.03 4.08 Output Slope C to QN op_slcqnr op_slcqnf 0.71 0.58 3.55 2.93 5.08 4.03 0.71 0.56 3.60 2.93 5.00 4.03 Output Slope SN to Q op_slsnq 0.73 3.70 5.11 0.71 3.63 5.25 Output Slope SN to QN op_slsnqn 0.60 2.88 4.08 0.58 2.91 4.12 Output Slope RN to Q op_slrnq 0.66 3.05 4.13 0.65 2.95 4.06 Output Slope RN to QN op_slrnqn 0.70 3.48 5.12 0.70 3.58 5.11 Sept. 1996 - 132 - Rev. N/C CUB DFF2 R Austria Mikro Systeme International Characteristics 0.6 µm CMOS Symbol [ns] Characteristics Symbol [ns] Low tsudch tsudcl 0.16 0.16 Min D Hold Time to C Low thdch thdcl 0.00 0.00 Min SN Setup Time to C Low tsusnc 0.00 Min SN Hold Time to C Low thsnc 0.51 Min RN Setup Time to C Low tsurnc 0.00 Min RN Hold Time to C Low thrnc 1.33 Low twch twcl 0.48 0.88 Min SN Width Low twsn 1.07 Min RN Width Low twrn 3.91 Min D Setup Time to C Min C Width Sept. 1996 High High - 133 - Rev. N/C High