參數(shù)資料
型號(hào): FBL22031
廠(chǎng)商: NXP Semiconductors N.V.
英文描述: 9-bit BTL 3.3V latched/registered/pass-thru Futurebus transceiver with 30W termination
中文描述: 9位橋接3.3鎖存/注冊(cè)/傳遞的功率30W直連Futurebus終端收發(fā)器
文件頁(yè)數(shù): 5/16頁(yè)
文件大小: 168K
代理商: FBL22031
Philips Semiconductors
Product specification
FBL22031
9-bit BTL 3.3V latched/registered/pass-thru
Futurebus+ transceiver with 30
termination
2000 Apr 18
5
FUNCTION TABLE
MODE
INPUTS
OUTPUTS
An
L
Bn*
OEB0
H
OEB1
L
OEA
L
LCAB
X
LCBA
X
SEL0
H
SEL1
L
An
input
Bn
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**
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**
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
H**
An to Bn register
l
H
L
L
X
X
X
H
input
h
H
L
L
X
X
H
input
L
Bn to An thru mode
L
Disable
H
X
H
L
H
input
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
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
l
Disable
H
X
H
H
H
input
h
Disable
H
X
H
H
L
input
An outputs latched and read
(preconditioned latch)
X
X
X
H
X
H
L
L
latched
data
latched
data
H
X
X
X
X
H
X
H
H
H
X
Bn to An register
l
Disable
H
X
X
L
H
input
h
Disable
H
X
L
H
L
input
Disable Bn outputs
X
X
L
X
X
X
X
X
X
H**
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
H
H
NOTES:
H
L
l
=
=
=
High voltage level
Low voltage level
Low voltage level one set-up time prior to the Low-to-High
LCXX transition
High voltage level one set-up time prior to the Low-to-High
LCXX transition
Don’t care
h
=
X
=
Z
H** =
Bn* =
=
=
=
High-impedance (OFF) state
Input not externally driven
Low-to-High transition
Goes to level of pull-up voltage
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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