tc74vcx162841ft TOSHIBA Semiconductor CORPORATION, tc74vcx162841ft Datasheet - Page 3

• Manufacturer Part Number: tc74vcx162841ft
• Description: Low-voltage 20-bit D-type Latch With 3.6-v Tolerant Inputs And Outputs
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Truth Table
System Diagram
1LE
2LE
1OE
2OE
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.
56
1
29
28
OE
H
L
L
L
55
42
1D1
2D1
(each 10-bit latch)
D
D
LE
LE
Input
Q
Q
LE
H
H
X
L
15
1Q1
2Q1
2
54
41
1D2
2D2
D
D
LE
LE
Q
Q
16
1Q2
2Q2
3
52
40
D
H
X
X
L
1D3
2D3
D
D
LE
LE
Q
Q
17
1Q3
2Q3
5
51
38
1D4
2D4
Output
D
D
Qn
LE
LE
Q
H
L
Z
Q
Q
19
1Q4
2Q4
6
49
37
1D5
2D5
D
D
LE
LE
3
Q
Q
20
1Q5
2Q5
8
48
36
1D6
2D6
D
D
LE
LE
Q
Q
21
1Q6
2Q6
9
47
34
1D7
2D7
D
D
LE
LE
Q
Q
10
23
1Q7
2Q7
45
33
1D8
2D8
D
D
LE
LE
TC74VCX162841FT
Q
Q
12
24
1Q8
2Q8
44
31
1D9
2D9
D
D
LE
LE
Q
Q
13
26
1Q9
2Q9
43
30
1D10
2D10
2007-10-19
D
D
LE
LE
Q
Q
14
27
1Q10
2Q10