BUF3SL
Tristate buffer with enable active low
Library
Modelica/Electrical/Digital/Tristates
Description
Description in VHDL is given by http://www.cs.sfu.ca/~ggbaker/reference/std_logic/src/std_logic_entities.vhd
and for tristate table http://www.cs.sfu.ca/~ggbaker/reference/std_logic/src/std_logic_misc.vhd
Truth Table
| DataIn | Enable | DataOut* |
| * | U | U |
| * | X | UX |
| * | 0 | DataIn |
| * | 1 | Z |
| * | Z | UX |
| * | W | UX |
| * | L | DataIn |
| * | H | Z |
| * | - | UX |
UX: if dataIn == U then U else XDataOut*: Strength map for DataOut according to tristate table Buf3slTable
Parameters
| Name | Label | Description | Data Type | Valid Values |
|---|---|---|---|---|
mo_tHL | tHL | High->Low delay | Scalar | |
mo_tLH | tLH | Low->High delay | Scalar | |
mo_strength | strength | Output strength | Structure | |
mo_strength/choice1 | Modelica.Electrical.Digital.Interfaces.Strength.'S_X01' | Number | 0 | |
mo_strength/choice2 | Modelica.Electrical.Digital.Interfaces.Strength.'S_X0H' | Number | 0 | |
mo_strength/choice3 | Modelica.Electrical.Digital.Interfaces.Strength.'S_XL1' | Number | 0 | |
mo_strength/choice4 | Modelica.Electrical.Digital.Interfaces.Strength.'S_X0Z' | Number | 0 | |
mo_strength/choice5 | Modelica.Electrical.Digital.Interfaces.Strength.'S_XZ1' | Number | 0 | |
mo_strength/choice6 | Modelica.Electrical.Digital.Interfaces.Strength.'S_WLH' | Number | 0 | |
mo_strength/choice7 | Modelica.Electrical.Digital.Interfaces.Strength.'S_WLZ' | Number | 0 | |
mo_strength/choice8 | Modelica.Electrical.Digital.Interfaces.Strength.'S_WZH' | Number | 0 | |
mo_strength/choice9 | Modelica.Electrical.Digital.Interfaces.Strength.'S_W0H' | Number | 0 | |
mo_strength/choice10 | Modelica.Electrical.Digital.Interfaces.Strength.'S_WL1' | Number | 0 | |
mo_nextstate | nextstate | nextstate | Structure | |
mo_nextstate/fixed | fixed | Cell of scalars | true | |
mo_nextstate/start | start | FromModelica('Modelica.Electrical.Digital.Interfaces.Logic.''U''') |
| Name | Label | Description | Data Type | Valid Values |
|---|---|---|---|---|
mo__nmodifiers | Number of Modifiers | Specifies the number of modifiers | Number | |
mo__modifiers | Modifiers | Add new modifier | Structure | |
mo__modifiers/varname | Variable name | Cell of strings | ||
mo__modifiers/attribute | Attribute | Cell of strings | 'start' | |
mo__modifiers/value | Value |
Ports
| Name | Type | Description | IO Type | Number |
|---|---|---|---|---|
enable | implicit | input | 1 | |
x | implicit | input | 2 | |
y | implicit | output | 1 |