Product Documentation
Spectre Circuit Simulator Components and Device Models Reference
Product Version 23.1, June 2023

Logic-to-Analog Converter (d2a)

The logic-to-analog converter converts a binary signal from a logic simulator to an analog waveform.

This device is not supported within altergroup.

Sample Instance Statement

d2a_1 (net1 net2) d2a src=”99991” val0=0 val1=2.5 valx=1.25 rise=200p fall=200p m=2   //99991 is an analog net

Instance Syntax

Name  p  n d2a parameter=value ...

Instance Parameters

src

The foreign simulator's name for the source of the analog signal.

nestlev

0

Number of nesting levels to be ignored in the hierarchical name. This should be used skip over extra levels that do not exist in the co-simulator.

val0

0 V

Final value for logical 0.

val1

5 V

Final value for logical 1.

valx

(V)

Final value for logical X.

valz

(V)

Final value for logical Z.

rise

1ns s

Time for transition from val0 to val1.

fall

1ns s

Time for transition from val1 to val0.

ron

100

Output resistance when in active state.

m

1

Multiplicity factor.

Related Topics

device checker (assert)

Logic-to-Analog Converter (d2a)

Circuit Components


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