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Core Logic
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Description
DF4Fx is a family of static, master-slave, multiplexed scan D flip-flops without SET or RESET. Outputs are buffered and change state on the rising edge of the clock.
Logic Symbol
DF4Fx
DQ C SD SE Q
Truth Table C ↑ ↑ ↑ ↑ L
D SD SE Q HX L H LXLL XHHH XLHL X X X NC
NC = No Change
QN L H L H NC
HDL Syntax Verilog .................... DF4Fx inst_name (Q, QN, C, D, SD, SE); VHDL...................... inst_name: DF4Fx port map (Q, QN, C, D, SD, SE);
Pin Loading
Pin Name
C D SD SE
DF4F1 1.0 1.0 1.0 2.1
Equivalent Loads
DF4F2
DF4F4
1.0 1.0
1.0 1.0
1.0 1.0
2.1 2.1
DF4F6 1.0 1.0 1.0 2.1
Size And Power Characteristics
Power Characteristicsa
Cell Equivalent Gates
Static IDD (TJ = 85°C) (nA)
EQLpd (Eq-load)
DF4F1
9.