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FB2033 Datasheet(PDF) 3 Page - NXP Semiconductors

Part No. FB2033
Description  8-bit latched/registered/pass-thru Futurebus universal interface transceiver
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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FB2033 Datasheet(HTML) 3 Page - NXP Semiconductors

 
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Philips Semiconductors
Product specification
FB2033
8-bit latched/registered/pass-thru
Futurebus+ universal interface transceiver
1995 May 25
3
FUNCTION TABLE
MODE
INPUTS
OUTPUTS
MODE
AIn
Bn*
OEB0
OEB1
OEA
LCAB
LCBA
SAB1
0
SBA1
0
AOn
Bn
AIn to Bn thru mode
L
H
L
L
X
X
LL
XX
Z
H**
AIn to Bn thru mode
H
H
L
L
X
X
LL
XX
Z
L
AIn to Bn transparent latch
L
H
L
L
H
X
HX
XX
Z
H**
AIn to Bn transparent latch
H
H
L
L
H
X
HX
XX
Z
L
AIn to Bn latch and read
l
H
L
L
X
HX
XX
Z
H**
AIn to Bn latch and read
h
H
L
L
X
HX
XX
Z
L
AIn to Bn register
L
H
L
L
X
LH
XX
Z
H**
AIn to Bn register
H
H
L
L
X
LH
XX
Z
L
Bn outputs latched and read
(preconditioned latch)
X
H
L
L
L
X
HX
XX
Z
latched
data
Bn to AOn thru mode
X
L
L
H
H
X
X
XX
LL
H
input
Bn to AOn thru mode
X
H
L
H
H
X
X
XX
LL
L
input
Bn to AOn transparent latch
X
L
L
H
H
X
H
XX
HX
H
input
Bn to AOn transparent latch
X
H
L
H
H
X
H
XX
HX
L
input
Bn to AOn latch and read
X
l
L
H
H
X
XX
HX
H
input
Bn to AOn latch and read
X
h
L
H
H
X
XX
HX
L
input
Bn to AOn register
X
L
L
H
H
X
XX
LH
H
input
Bn to AOn register
X
H
L
H
H
X
XX
LH
L
input
AOn outputs latched and read
(preconditioned latch)
X
X
L
H
H
X
L
XX
HX
latched
data
X
Disable Bn outputs
X
X
L
X
X
X
X
XX
XX
X
H**
Disable Bn outputs
X
X
X
H
X
X
X
XX
XX
X
H**
Disable AOn outputs
X
X
X
X
L
X
X
XX
XX
Z
X
FUNCTION SELECT TABLE
MODE SELECTED
SXX1
SXX0
Thru mode
L
L
Register mode
L
H
Latch mode
H
X
NOTES:
H
=
High voltage level
L
=
Low voltage level
h
=
High voltage level one set-up time prior to the High-to-Low LCXX transition
l
=
Low voltage level one set-up time prior to the High-to-Low LCXX transition
X
=
Don’t care
Z
=
High-impedance (OFF) state
=
Input not externally driven
=
Low-to-High transition
=
High-to-Low transition
H** =
Goes to level of pull-up voltage
Bn* =
Precaution should be taken to ensure B inputs do not float. If they do, they are equal to Low state.
NOTE: In Loopback mode (Loopback = High), AIn inputs are routed to the AOn outputs. The Bn inputs are blocked out.


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