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FBL2031 Datasheet(PDF) 5 Page - NXP Semiconductors

Part No. FBL2031
Description  9-bit BTL 3.3V latched/registered/pass-thru Futurebus transceiver
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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FBL2031 Datasheet(HTML) 5 Page - NXP Semiconductors

 
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Philips Semiconductors
Product specification
FBL2031
9-bit BTL 3.3V latched/registered/pass-thru
Futurebus+ transceiver
2000 Apr 18
5
FUNCTION TABLE
MODE
INPUTS
OUTPUTS
MODE
An
Bn*
OEB0
OEB1
OEA
LCAB
LCBA
SEL0
SEL1
An
Bn
An to Bn thru mode
L
H
L
L
X
X
H
L
input
H**
An to Bn thru mode
H
H
L
L
X
X
H
L
input
L
An to Bn transparent latch
L
H
L
L
L
X
L
L
input
H**
An to Bn transparent latch
H
H
L
L
L
X
L
L
input
L
An to Bn latch and read
l
H
L
L
X
L
L
input
H**
An to Bn latch and read
h
H
L
L
X
L
L
input
L
Bn outputs latched and read
(preconditioned latch)
X
H
L
X
H
X
L
L
X
latched
data
An to Bn register
l
H
L
L
X
X
H
input
H**
An to Bn register
h
H
L
L
X
X
H
input
L
Bn to An thru mode
L
Disable
H
X
X
H
L
H
input
Bn to An thru mode
H
Disable
H
X
X
H
L
L
input
L
Disable
H
X
L
L
L
H
input
Bn to An transparent latch
H
Disable
H
X
L
L
L
L
input
Bn to An transparent latch
L
Disable
H
X
L
H
H
H
input
H
Disable
H
X
L
H
H
L
input
l
Disable
H
X
L
L
H
input
Bn to An latch and read
h
Disable
H
X
L
L
L
input
Bn to An latch and read
l
Disable
H
X
H
H
H
input
h
Disable
H
X
H
H
L
input
An outputs latched and read
X
X
X
H
X
H
L
L
latched
data
X
(preconditioned latch)
X
X
X
H
X
H
H
H
latched
data
X
Bn to An register
l
Disable
H
X
L
H
H
input
Bn to An register
h
Disable
H
X
L
H
L
input
Disable Bn outputs
X
X
L
X
X
X
X
X
X
X
H**
Disable Bn outputs
X
X
X
H
X
X
X
X
X
X
H**
Disable An outputs
X
X
X
X
L
X
X
X
X
Z
X
FUNCTION SELECT TABLE
MODE SELECTED
SEL0
SEL1
Thru mode
H
L
Register mode (An to Bn)
X
H
Latch mode (An to Bn)
L
L
Register mode (Bn to An)
L
H
Latch mode (Bn to An)
L
L
Latch mode (Bn to An)
H
H
NOTES:
H
=
High voltage level
L
=
Low voltage level
l
=
Low voltage level one set-up time prior to the Low-to-High
LCXX transition
h
=
High voltage level one set-up time prior to the Low-to-High
LCXX transition
X
=
Don’t care
Z
=
High-impedance (OFF) state
=
Input not externally driven
=
Low-to-High 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.
Disable =
OEB0 is Low or OEB1 is High.


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