NXP Semiconductors
74HC573; 74HCT573
Octal D-type transparent latch; 3-state
D0
D1
D2
D3
D4
D5
D6
D7
D
Q
D
Q
D
Q
D
Q
D
Q
D
Q
D
Q
D
Q
LATCH
1
LE
LE
LATCH
2
LE
LATCH
3
LE
LATCH
4
LE
LATCH
5
LE
LATCH
6
LE
LATCH
7
LE
LATCH
8
LE
OE
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
001aae075
Fig 2.
Logic diagram
11
1
1
2
3
4
5
6
7
8
9
OE
D0
D1
D2
D3
D4
D5
D6
D7
LE
11
mna807
C1
EN1
2
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
19
18
17
16
15
14
13
12
4
5
6
7
8
9
3
1D
19
18
17
16
15
14
13
12
mna808
Fig 3.
Logic symbol
Fig 4.
IEC logic symbol
74HC_HCT573
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© NXP B.V. 2012. All rights reserved.
Product data sheet
Rev. 5 — 15 August 2012
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