Cadence Mixed-Signal Circuit Design Environment User Guide
Interface Element Macro Models
October 2003
61
Product Version 5.0
The following figure shows a waveform of V
p
as a function of the digital source.
The netlister passes interface element parameter values to instantiate the macro.
.D2A &1 V1&1 &3 &4 &5 &6
V1&1 &1 0 PWL 0 0
X&1 &1 &2 C&1
.SUBCKT C&1 1 2
VDD 3 0 5
E1 3 4 1 0 1
C1 2 0 0.1P
W1 3 2 1 0 V &7 1n 1n 1e+12 &9
W2 2 0 4 0 V &8 1n 1n 1e+12 &10
.ENDS C&1
The following parameters are mapped in order:
Macro
Parameter
Mnemonic Parameter Name
&1
Digital source, intermediate node
&2
Analog node (interface net)
&3
D2A_VL
&4
D2A_VH
&5
D2A_TR
Summary :
.D2A &1 V1&1 &3 &4 &5 &6 V1&1 &1 0 PWL 0 0 X&1 &1 &2 C&1 .SUBCKT C&1 1 2 VDD 3 0 5 E1 3 4 1 0 1 C1 2 0 0.1P W1 3 2 1 0 V &7 1n 1n 1e+12 &9 W2 2 0 4 0 V &8 1n 1n 1e+12 &10 .ENDS C&1 The following parameters are mapped in order: Macro Parameter Mnemonic Parameter Name &1 Digital source, intermediate node &2 Analog node (interface net) &3 D2A_VL &4 D2A_VH &5 D2A_TR
Tags :
amp1,parameter,interface,camp1,macro,1amp1,1e12,digital,amp4,following,amp3,node,amp5