74ABT16823 Просмотр технического описания (PDF) - Philips Electronics
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74ABT16823 Datasheet PDF : 12 Pages
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Philips Semiconductors
18-bit bus-interface D-type flip-flop
with reset and enable (3-State)
Product specification
74ABT16823A
74ABTH16823A
LOGIC DIAGRAM
nCE
nCP
nD0
nD1
nD2
nD3
nD4
nD5
nD6
nD7
nD8
CP
nD
RQ
CP
nD
RQ
CP
nD
RQ
CP
nD
RQ
CP
nD
RQ
CP
nD
RQ
CP
nD
RQ
CP
nD
RQ
CP
nD
RQ
nMR
nOE
n = 1 or 2
nQ0
nQ1
nQ2
nQ3
nQ4
FUNCTION TABLE
INPUTS
nOE
nMR
nCE
nCP
nDx
OUTPUTS
nQ0 – nQ8
L
L
X
X
X
L
L
H
L
↑
h
H
L
H
L
↑
l
L
L
H
H
↑
X
NC
H
X
X
X
X
Z
H=
h=
L=
l=
NC=
X=
Z=
↑=
↑=
High voltage level
High voltage level one set-up time prior to the Low-to-High clock transition
Low voltage level
Low voltage level one set-up time prior to the Low-to-High clock transition
No change
Don’t care
High impedance “off” state
Low to High clock transition
Not a Low-to-High clock transition
nQ5
nQ6
nQ7
nQ8
SH00016
OPERATING MODE
Clear
Load and read data
Hold
High impedance
1998 Feb 27
4
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