MC74LCX16373DTRG Datasheet, PDF (2/7 Pages) ON Semiconductor – Low-Voltage CMOS 16-Bit Transparent Latch

OE1 1
O0 2
O1 3
GND 4
O2 5
O3 6
V_CC 7
O4 8
O5 9
GND 10
O6 11
O7 12
O8 13
O9 14
GND 15
O10 16
O11 17
V_CC 18
O12 19
O13 20
GND 21
O14 22
O15 23
OE2 24
48 LE1
47 D0
46 D1
45 GN
44 ^DD2
43 D3
42 V_CC
41 D4
40 D5
39 GN
38 DD6
37 D7
36 D8
35 D9
34 GN
33 ^DD10
32 D11
31 V_CC
30 D12
29 D13
28 GN
27 ^DD14
26 D15
25 LE2
Figure 1. Pinout: 48−Lead
(Top View)
MC74LCX16373
1
OE1
48
LE1
47
D0
nLE
Q
D
2
O0
24
OE2
25
LE2
36
D8
nLE
Q
D
46
D1
nLE
Q
D
3
O1
35
D9
nLE
Q
D
44
D2
nLE
Q
D
5
O2
33
D10
nLE
Q
D
43
D3
nLE
Q
D
6
O3
32
D11
nLE
Q
D
41
D4
nLE
Q
D
8
O4
30
D12
nLE
Q
D
40
D5
nLE
Q
D
9
O5
29
D13
nLE
Q
D
38
D6
nLE
Q
D
11
O6
27
D14
nLE
Q
D
37
D7
nLE
Q
D
12
O7
26
D15
nLE
Q
D
Figure 2. Logic Diagram
13
O8
14
O9
16
O10
17
O11
19
O12
20
O13
22
O14
23
O15
Table 1. PIN NAMES
Pins
OEn
LEn
D0−D15
O0−O15
Function
Output Enable Inputs
Latch Enable Inputs
Inputs
Outputs
TRUTH TABLE
Inputs
LE1
OE1
X
H
H
L
H
L
L
L
D0:7
X
L
H
X
Outputs
O0:7
Z
L
H
O0
Inputs
LE2
OE2
D8:15
X
H
X
H
L
L
H
L
H
L
L
X
H = High Voltage Level
L = Low Voltage Level
Z = High Impedance State
X = High or Low Voltage Level and Transitions Are Acceptable; for I_CC reasons, DO NOT FLOAT Inputs
Outputs
O8:15
Z
L
H
O0
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