74ALVCH16540 View Datasheet(PDF) - Philips Electronics
Part Name
Description
View to exact match
74ALVCH16540
Philips Electronics
74ALVCH16540 Datasheet PDF : 12 Pages
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Philips Semiconductors
16-bit buffer/line driver, inverting,
5V input tolerant (3-State)
Product specification
74ALVCH16540
PIN DESCRIPTION
PIN NUMBER SYMBOL
1, 24
2, 3, 5, 6, 8, 9,
11, 12
13, 14, 16, 17,
19, 20, 22, 23
4, 10, 15, 21,
28, 34, 39, 45
7, 18, 31, 42
25, 48
36, 35, 33, 32,
30, 29, 27, 26
47, 46, 44, 43,
41, 40, 38, 37
nOE1
1Y0 to 1Y7
2Y0 to 2Y7
GND
VCC
nOE2
2A0 to 2A7
1A0 to 1A7
NAME AND FUNCTION
Output enable input
(active LOW)
Data outputs
Ground (0V)
Positive supply voltage
Output enable input
(active LOW)
Data inputs
LOGIC SYMBOL
47
1A0
46
1A1
44
1A2
43
1A3
41
1A4
40
1A5
38
1A6
37
1A7
2
1Y0
3
1Y1
5
1Y2
6
1Y3
8
1Y4
9
1Y5
11
1Y6
12
1Y7
36
2A0
35
2A1
33
2A2
32
2A3
30
2A4
29
2A5
27
2A6
26
2A7
13
2Y0
14
2Y1
16
2Y2
17
2Y3
19
2Y4
20
2Y5
22
2Y6
23
2Y7
1
1OE1
48
1OE2
24
2OE1
25
2OE2
FUNCTION TABLE
INPUTS
nOE1
L
nOE2
L
nAn
L
L
L
H
X
H
X
H
X
X
H = HIGH voltage level
L = LOW voltage level
X = don’t care
Z = high impedance OFF-state
SW00109
OUTPUT
nYn
H
L
Z
Z
LOGIC SYMBOL (IEEE/IEC)
1OE1 1
1OE2 48
2OE1 24
2OE2 25
47
1A0
46
1A1
1A2 44
43
1A3
41
1A4
40
1A5
38
1A6
1A7 37
2A0 36
35
2A1
2A2 33
32
2A3
2A4 30
2A5 29
2A6 27
2A7 26
&
EN1
&
EN2
1 1∇
1 2∇
BUS HOLD CIRCUIT
VCC
2 1Y0
3 1Y1
5 1Y2
6 1Y3
8 1Y4
9 1Y5
11 1Y6
12 1Y7
13 2Y0
14 2Y1
16 2Y2
17 2Y3
19 2Y4
20 2Y5
22 2Y6
23 2Y7
SW00110
Data Input
To internal circuit
SW00044
1997 Aug 11
3
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