a4 standard cell family

 4-I/P AND gate
a4 symbol
4 I/P AND gate designed with a stage effort of about 2.4 for the a4_x2 and about 4.8 for the a4_x4.
q:(i0*i1*i2*i3) cell width power Generic 0.13um typical timing (ps & ps/fF), pin i3.
leakage dynamic tR=PropR+RampR×Load(fF), tF=PropF+RampF×Load(fF)
sxlib013 gates lambda 0.13um nW nW/MHz PinCap PropR RampR PropF RampF
a4_x2 2.3  70 3.85 1.85  33.1  4.8f 109  1.50 107  1.15
a4_x4 2.7  80 4.40 2.54  49.6  4.6f 135  0.76 132  0.59
a4_x2
 
Effort
FO4 Log.
i0 /\
¯_ 2.20
i1 /\
¯_ 2.15
i2 /\
¯_ 2.04
i3 /\
¯_ 1.92
a4_x2 schematic a4_x2 standard cell layout
a4_x4
 
Effort
FO4 Log.
i0 /\
¯_ 2.39
i1 /\
¯_ 2.32
i2 /\
¯_ 2.21
i3 /\
¯_ 2.09
a4_x4 schematic a4_x4 standard cell layout
Web data book for the sxlib. Vdd=1.2V, T=27°C, nominal process, generic 0.13um technology.   Copyright © 2005-2008 Graham Petley.  11 JAN 2008