DFD2 Datasheet, PDF (1/2 Pages) ams AG – DFD2 is a fast, static, master-slave D flip-flop with 2x drive strength. SET is asynchronous and active low.

R
Austria Mikro Systeme International
DFD2
CUB
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
HH
HL
HX
LX
C Q QN
ÉH L
ÉL H
Ê no change
XHL
Area
1.76 mils²
D ^SN Q
DFD2
C QN
Capacitance
Ci (pF)
D
0.025
C
0.020
SN 0.033
Power
6.60 µW / MHz
Delay [ns] = tpd.. = f(SL, L)
Output Slope [ns] = op_sl.. = f(L)
with SL = Input Slope [ns] ; L = Output Load [pF]
with L = Output Load [pF]
AC Characteristics : Tj = 25°C VDD = 3.3V Typical Process
AC Characteristics
Characteristics
Symbol
Delay C to Q
Delay C to QN
Delay SN to Q
Delay SN to QN
Output Slope C to Q
Output Slope C to QN
Output Slope SN to Q
Output Slope SN to QN
tpdcqr
tpdcqf
tpdcqnr
tpdcqnf
tpdsnq
tpdsnqn
op_slcqr
op_slcqf
op_slcqnr
op_slcqnf
op_slsnq
op_slsnqn
SL = 0.1
L = 0.2 L = 1.4 L = 2.0
0.81 1.78 2.26
0.73 1.64 2.08
0.98 1.94 2.43
1.07 1.95 2.40
0.81 1.77 2.25
1.06 1.94 2.37
0.66 3.42 5.01
0.57 3.00 4.02
0.67 3.58 5.00
0.53 2.86 4.05
0.67 3.43 4.97
0.56 2.87 4.15
SL = 2.0
L = 0.2 L = 1.4 L = 2.0
0.98 1.95 2.41
0.88 1.80 2.23
1.13 2.08 2.58
1.25 2.13 2.57
1.14 2.09 2.58
1.40 2.27 2.69
0.65 3.53 5.01
0.57 2.85 4.18
0.68 3.50 5.06
0.55 2.90 4.05
0.67 3.53 4.90
0.56 2.82 4.11
Sept. 1996
- 116 -
Rev. N/C