nr4 standard cell family
4-I/P NOR gate
The P/N ratio is kept approx equal to 2 except for the nr4v1x05. In order to have smaller P-transistors for a weak drive version, a lower P/N ratio of 1 along with minimum size N-transistors is used.
z:(a+b+c+d)'
cell width
power
Generic 0.13um typical timing (ps & ps/fF), pin d.
leakage
dynamic
tR=PropR+RampR×Load(fF), tF=PropF+RampF×Load(fF)
lambda
0.13um
nW
nW/MHz
PinCap
PropR
RampR
PropF
RampF
nr4v1x05
50
2.75
0.53
6.7
3.9f
63
10.65
48
3.85
nr4v0x1
76
4.18
0.77
10.7
6.4f
49
5.43
59
3.86
nr4v0x2
110
6.05
1.42
19.6
13.5f
50
2.96
60
2.11
nr4v1x05
nr4v0x1
nr4v0x2