tc74ac373 TOSHIBA Semiconductor CORPORATION, tc74ac373 Datasheet - Page 2

• Manufacturer Part Number: tc74ac373
• Description: Octal D-type Latch With 3-state Output
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Pin Assignment
Truth Table
System Diagram
X: Don’t care
Z: High impedance
Q
OE
n
H
L
L
L
: Q outputs are latched at the time when the LE input is taken to a low logic level.
GND
OE
Q0
Q1
Q2
Q3
D0
D1
D2
D3
Inputs
LE
H
H
X
L
LE
OE
10
1
2
3
4
5
6
7
8
9
11
1
D
X
X
H
L
(top view)
Output
Q
3
Q
H
Z
L
D0
n
D
L
2
Q
20
19
18
17
16
15
14
13
12
11
Q0
4
D1
D
V
Q7
D7
D6
Q6
Q5
D5
D4
Q4
LE
CC
L
5
Q
Q1
7
D2
D
L
6
Q
Q2
8
D3
2
D
L
9
Q
13
Q3
IEC Logic Symbol
D4
OE
D0
D1
D2
D3
D4
D5
D6
D7
D
D
LE
L
12
Q
14
Q4
(11)
(13)
(14)
(17)
(18)
D5
(1)
(3)
(4)
(7)
(8)
D
L
15
Q
EN
C1
1D
17
Q5
D6
D
L
16
TC74AC373P/F/FT
Q
18
Q6
D7
D
L
19
Q
Q7
(12)
(15)
(16)
(19)
(2)
(5)
(6)
(9)
2007-10-01
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7