tc74vcx2573 TOSHIBA Semiconductor CORPORATION, tc74vcx2573 Datasheet - Page 2

• Manufacturer Part Number: tc74vcx2573
• Description: Low-voltage Octal D-type Latch With 3.6-v Tolerant Inputs And Outputs
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Pin Assignment
Truth Table
System Diagram
LE
OE
X: Don’t care
Z: High impedance
Qn: Q outputs are latched at the time when the LE input is taken to a low logic level.
11
1
OE
H
L
L
L
GND
2
OE
D0
D0
D1
D2
D3
D4
D5
D6
D7
D
Inputs
LE
10
X
H
H
L
L
1
2
3
4
5
6
7
8
9
(top view)
Q
19
Q0
3
D1
D
D
H
X
X
L
L
Q
18
Q1
4
D2
20
19
18
17
16
15
14
13
12
11
D
Outputs
L
Qn
H
V
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
LE
Z
L
Q
CC
17
Q2
5
D3
D
2
L
Q
16
Q3
6
IEC Logic Symbol
D4
D
OE
D0
D1
D2
D3
D4
D5
D6
D7
LE
L
Q
15
Q4
11
1
2
3
4
5
6
7
8
9
7
D5
D
EN
1D
L
TC74VCX2573FT/FK
C1
Q
14
Q5
8
D6
D
L
Q
13
Q6
2007-10-19
19
18
17
16
15
14
13
12
9
D7
D
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
L
Q
12
Q7