DFF2 AMSCO | Alldatasheet
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Technical content
DFF2 is a fast, static, master-slave D flip-flop with 2x drive strength. SET and RESET are asynchronous and active low. Truth Table D C Q QNRN SN Capacitance SN RN D C Q QN Ci (pF) L H X X H L D 0.020 H L X X L H C 0.020 HHH É H L SN 0.034 HHL É L H RN 0.041 HHX ˚ no change LLXX illegal Area Power 2.30 mils2 7.19 µW / MHz Delay [ns] = tpd.. = f(SL, L) with SL = Input Slope [ns] ; L = Output Load [pF] Output Slope [ns] = op_sl.. = f(L) with L = Output Load [pF] AC Characteristics : Tj = 25°C VDD = 3.3V Typical Process AC Characteristics Characteristics Symbol SL = 0.1 SL = 2.0 Sept. 1996 - 132 - Rev. N/C Austria Mikro S ysteme International R 0.6 µm CMOS CUB DFF2 DFF2
Characteristics Symbol [ns] Characteristics Symbol [ns] Min D Setup Time to C High tsudch 0.16 Min D Hold Time to CHigh thdch 0.00 Low tsudcl 0.16 Low thdcl 0.00 Min SN Setup Time to CLow tsusnc 0.00 Min SN Hold Time to C Low thsnc 0.51 Min RN Setup Time to CLow tsurnc 0.00 Min RN Hold Time to C Low thrnc 1.33 Min C Width High twch 0.48 Low twcl 0.88 Min SN Width Low twsn 1.07 Min RN Width Low twrn 3.91 Sept. 1996 - 133 - Rev. N/C Austria Mikro S ysteme International R 0.6 µm CMOS CUB DFF2