TC74LCX16373FT Datasheet, PDF (3/10 Pages) Toshiba Semiconductor – Low-Voltage 16-Bit D-Type Latch with 5-V Tolerant Inputs and Outputs

Truth Table
Inputs
1OE
1LE
H
X
L
L
L
H
L
H
1D1-1D8
X
X
L
H
Outputs
1Q1-1Q8
Z
Qn
L
H
TC74LCX16373FT
Inputs
Outputs
2OE
2LE
2D1-2D8
2Q1-2Q8
H
X
X
Z
L
L
X
Qn
L
H
L
L
L
H
H
H
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
System Diagram
48
1LE
1D1
47
D
1D2
46
D
1D3
44
D
1D4
43
D
1D5
41
D
1D6
40
D
1D7
38
D
1D8
37
D
LE Q LE Q LE Q LE Q LE Q LE Q LE Q LE Q
1
1OE
25
2LE
2
1Q1
3
1Q2
5
1Q3
6
1Q4
8
1Q5
9
1Q6
11
1Q7
12
1Q8
2D1
36
2D2
35
2D3
33
2D4
32
2D5
30
2D6
29
2D7
27
2D8
26
D
D
D
D
D
D
D
D
LE Q LE Q LE Q LE Q LE Q LE Q LE Q LE Q
24
2OE
13
2Q1
14
2Q2
16
2Q3
17
2Q4
19
2Q5
20
2Q6
22
2Q7
23
2Q8
3
2007-10-19