74ALVCH16841DGG View Datasheet(PDF) - Philips Electronics
Part Name
Description
View to exact match
74ALVCH16841DGG Datasheet PDF : 10 Pages
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Philips Semiconductors
20-bit bus interface D-type latch (3-State)
Product specification
74ALVCH16841
PIN DESCRIPTION
PIN NUMBER
SYMBOL
1
1OE
56
55, 54, 52, 51, 49,
48, 47, 45, 44, 43
2, 3, 5, 6, 8, 9, 10,
12, 13, 14
4, 11, 18, 25, 32,
39, 46, 53
7, 22, 35, 50
28
1LE
1D0 – 1D9
1Q0 – 1Q9
GND
VCC
2OE
29
42, 41, 40, 38, 37,
36, 34, 33, 31, 30
15, 16, 17, 19, 20,
21, 23, 24, 26, 27
2LE
2D0 – 2D9
2Q0 – 2Q9
FUNCTION
Output enable inputs
(active-LOW)
Latch enable inputs
(active HIGH)
Data inputs
Data outputs
Ground (0V)
Positive supply
voltage
Output enable inputs
(active-LOW)
Latch enable inputs
(active HIGH)
Data inputs
Data outputs
FUNCTION TABLE
INPUTS
nOE
LE
Dx
L
H
L
L
H
H
L
L
X
H
X
X
H = High voltage level
L = Low voltage level
X = Don’t care
Z = High impedance “off” state
OUTPUT
Q
L
H
Q0
Z
LOGIC SYMBOL
55 54 52 51 49 48 47 45 44 43
1D0 1D1 1D2 1D3 1D4 1D5 1D6 1D7 1D8 1D9
56
1LE
1
1OE
1Q0 1Q1 1Q2 1Q3 1Q4 1Q5 1Q6 1Q7 1Q8 1Q9
2 3 5 6 8 9 10 12 13 14
42 41 40 38 37 36 34 33 31 30
2D0 2D1 2D2 2D3 2D4 2D5 2D6 2D7 2D8 2D9
29
2LE
28
2OE
2Q0 2Q1 2Q2 2Q3 2Q4 2Q5 2Q6 2Q7 2Q8 2Q9
15 16 17 19 20 21 23 24 26 27
SH00023
LOGIC SYMBOL (IEEE/IEC)
1OE
1
1LE 56
2OE 28
2LE 29
1D0 55
1D1 54
1D2 52
1D3 51
1D4 49
1D5 48
1D6 47
1D7 45
1D8 44
1D9 43
2D0 42
2D1 41
2D2 40
2D3 38
2D4 37
2D5 36
2D6 34
2D7 33
2D8 31
2D9 30
EN2
C1
EN4
C3
1D
2∇
3D
4∇
LOGIC DIAGRAM
nD0
2 1Q0
3 1Q1
5 1Q2
6 1Q3
8 1Q4
9 1Q5
10 1Q6
12 1Q7
13 1Q8
14 1Q9
15 2Q0
16 2Q1
17 2Q2
19 2Q3
20 2Q4
21 2Q5
23 2Q6
24 2Q7
26 2Q8
27 2Q9
SH00152
nLE
nOE
D
LE
nQ0
SH00151
1998 Jul 27
3
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