PXFERGATE

Transfergate with enable active low

    PXFERGATE

Library

Electrical/Digital/Tristates

Description

Description in VHDL is given by http://www.cs.sfu.ca/~ggbaker/reference/std_logic/src/std_logic_entities.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 X

Parameters

PXFERGATE_0

NameLabelDescriptionData TypeValid Values

mo_tHL

tHL

High->Low delay

Scalar

mo_tLH

tLH

Low->High delay

Scalar

PXFERGATE_1

NameLabelDescriptionData TypeValid Values

mo_enable

enable

enable

Structure

mo_enable/fixed

fixed

Cell of scalars

true
false

mo_enable/start

start

Cell of scalars

mo_x

x

x

Structure

mo_x/fixed

fixed

Cell of scalars

true
false

mo_x/start

start

Cell of scalars

mo_y

y

y

Structure

mo_y/fixed

fixed

Cell of scalars

true
false

mo_y/start

start

Cell of scalars

Ports

NameTypeDescriptionIO TypeNumber

enable

implicit

input

1

x

implicit

input

2

y

implicit

output

1