74ABT373A Philips Semiconductors, 74ABT373A Datasheet - Page 3

• Manufacturer Part Number: 74ABT373A
• Description: Octal transparent latch 3-State
• Manufacturer: Philips Semiconductors

Philips Semiconductors
LOGIC SYMBOL
FUNCTION TABLE
H = High voltage level
h = High voltage level one set-up time prior to the High-to-Low E
L = Low voltage level
l
NC= No change
X = Don’t care
Z = High impedance “off” state
LOGIC DIAGRAM
1995 Feb 17
OE
H
H
L
L
L
L
L
Octal transparent latch (3-State)
= Low voltage level one set-up time prior to the High-to-Low E
= High-to-Low E transition
OE
INPUTS
E
11
1
transition
transition
E
H
H
H
L
L
11
1
Dn
Dn
H
X
X
L
h
l
INTERNAL
REGISTER
E
OE
D0 D1 D2 D3 D4 D5 D6 D7
Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7
D0
2
3
3
NC
NC
Dn
D
E
H
H
4
5
L
L
Q
7
6
Q0
9
8
2
13 14
12 15 16
OUTPUTS
D1
Q0 – Q7
4
NC
D
E
H
H
Z
Z
L
L
17
Q
18
19
Q1
5
Enable and read
register
Latch and read
register
Hold
Disable outputs
D2
OPERATING
OPERATING
7
D
E
MODE
Q
SA00060
Q2
6
D3
8
D
E
3
Q
LOGIC SYMBOL (IEEE/IEC)
Q3
9
D4
13
D
E
Q
Q4
12
11
1
14
3
4
7
8
13
17
18
D5
14
D
E
Q
1D
EN
C1
Q5
15
D6
17
D
E
Q
74ABT373A
12
15
16
19
Q6
2
5
6
9
Product specification
16
D7
18
D
E
Q
SA00062
SA00061
Q7
19