74abt16823a NXP Semiconductors, 74abt16823a Datasheet - Page 4

• Manufacturer Part Number: 74abt16823a
• Description: 18-bit Bus Interface D-type Flip-flop With Reset And Enable 3-state
• Manufacturer: NXP Semiconductors

Philips Semiconductors
LOGIC DIAGRAM
FUNCTION TABLE
H = High voltage level
h = High voltage level one set-up time prior to the LOW-to-HIGH clock transition
L = Low voltage level
l
NC= No change
X = Don’t care
Z = High impedance “off” state
2004 Feb 02
nCE
nCP
18-bit bus-interface D-type flip-flop
with reset and enable (3-State)
= Low voltage level one set-up time prior to the LOW-to-HIGH clock transition
= LOW-to-HIGH clock transition
= Not a LOW-to-HIGH clock transition
nOE
H
L
L
L
L
n = 1 or 2
nMR
nMR
nOE
H
H
H
L
X
INPUTS
nCE
nD0
X
H
X
L
L
nD
R
CP
Q
nQ0
nD1
nCP
nD
R
X
X
CP
Q
nQ1
nD2
nD
R
nDx
CP
X
X
X
h
l
Q
nQ2
nD3
4
nD
R
CP
Q
nQ3
nQ0 – nQ8
OUTPUTS
nD4
NC
H
L
L
Z
nD
R
CP
Q
nQ4
nD5
nD
R
CP
Clear
Load and read data
Load and read data
Hold
High impedance
Q
nQ5
nD6
OPERATING MODE
OPERATING MODE
nD
R
CP
Q
nQ6
74ABT16823A
nD7
nD
R
CP
Q
nQ7
nD8
Product data
nD
R
SH00016
CP
Q
nQ8