DM74LS450AV [NSC]
IC LS SERIES, 16 LINE TO 1 LINE MULTIPLEXER, COMPLEMENTARY OUTPUT, PQCC28, PLASTIC, CC-28, Multiplexer/Demultiplexer;
| 型号： | DM74LS450AV |
| 厂家： | 
National Semiconductor |
| 描述： | IC LS SERIES, 16 LINE TO 1 LINE MULTIPLEXER, COMPLEMENTARY OUTPUT, PQCC28, PLASTIC, CC-28, Multiplexer/Demultiplexer 输出元件 逻辑集成电路 |
| 文件： | 总6页 (文件大小：130K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
July 1989
DM54LS450A/DM74LS450 16:1 Multiplexer
General Description
Features
Y
24-pin SKINNYDIP saves space
The 16:1 Mux selects one of sixteen inputs, E0 through E15,
specified by four binary inputs, A, B, C and D. The true data
is output on Y and the inverted data on W. Propagation
delays are the same for both inputs and addresses and are
specified for 50 pF loading. Outputs conform to the stan-
dard 8 mA LS totem pole drive standard.
Y
Similar to 74150 (Fat Dip)
Y
Low current PNP inputs reduce loading
Y
15 ns typical propagation delay
Connection Diagram
Function Table
Input
Select
Output
Top View
D
C
B
A
W
Y
L
L
L
L
L
L
L
H
L
E0
E1
E0
E1
L
L
H
H
L
E2
E2
L
L
H
L
E3
E3
L
H
H
H
H
L
E4
E4
L
L
H
L
E5
E5
L
H
H
L
E6
E6
L
H
L
E7
E7
H
H
H
H
H
H
H
H
E8
E8
L
L
H
L
E9
E9
L
H
H
L
E10
E11
E12
E13
E14
E15
E10
E11
E12
E13
E14
E15
L
H
L
H
H
H
H
TL/L/10228–1
Order Number DM54LS450AJ, DM74LS450AJ,
DM74LS450AN or DM74LS450AV
See NS Package Number
L
H
L
H
H
H
J24F, N24C or V28A
C
1995 National Semiconductor Corporation
TL/L/10228
RRD-B30M115/Printed in U. S. A.
Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales
Office/Distributors for availability and specifications.
Ambient Temperature with
Power Applied
b
b
a
65 C to 125 C
§
§
Junction Temperature with
Power Applied
b
a
0.5V to 7V (Note 2)
a
65 C to 150 C
Supply Voltage V
Input Voltage
§
§
2000V
CC
b
a
1.5V to 5.5V (Note 2)
ESD Tolerance
e
e
C
R
100 pF
1500X
b
a
1.5V to 5.5V (Note 2)
ZAP
Off-State Output Voltage
Input Current
ZAP
b
a
30.0 mA to 5.0 mA (Note 2)
Test Method: Human Body Model
Test Specification: NSC SOP-5-028
a
100 mA
Output Current (I
)
OL
b
a
65 C to 150 C
Storage Temperature
§
§
Recommended Operating Conditons
Military
Commercial
Symbol
Parameter
Units
Min
Nom
Max
5.5
Min
4.75
0
Nom
Max
5.25
75
V
T
Supply Voltage
Operating Free-Air Temperature
4.5
5
5
V
CC
b
55
125
C
§
A
Electrical Characteristics Over Recommended Operating Conditions
Symbol
Parameter
Low Level Input Voltage (Note 3)
High Level Input Voltage (Note 3)
Input Clamp Voltage
Test Conditions
Min
Typ
Max
0.8
Units
V
V
V
V
IL
2
V
IH
IC
e
e
e
e
e
e
e b
b
1.5
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
Min, I
Max, V
Max, V
Max, V
Min
18 mA
V
e
e
e
b
0.25
25
I
I
I
Low Level Input Current
High Level Input Current
Maximum Input Current
0.4V
mA
mA
mA
V
IL
I
I
I
2.4V
IH
I
5.5V
1
e
V
V
Low Level Output Voltage
High Level Output Voltage
I
8 mA
0.5
OL
OL
OH
OH
e b
e b
Min
I
I
2 mA
MIL
COM
OH
2.4
V
3.2 mA
e
e
e
5V, V 0V
O
Max, Outputs Open
b
b
I
I
Output Short-Circuit Current (Note 4)
Supply Current
V
V
30
130
mA
mA
OS
CC
60
100
CC
CC
Note 1: Absolute maximum ratings are those values beyond which the device may be permanently damaged. Proper operation is not guaranteed outside the
specified recommended operating conditions.
Note 2: Some device pins may be raised above these limits during programming operations according to the applicable specification.
Note 3: These are absolute voltages with respect to the ground pin on the device and include all overshoots due to system and/or tester noise. Do not attempt to
test these values without suitable equipment.
Note 4: To avoid invalid readings in other parameter tests, it is preferable to conduct the I
test last. To minimize internal heating, only one output should be
OS
shorted at a time with maximum duration of 1.0 second each. Prolonged shorting of a high output may raise the chip temperature above normal and permanent
damage may result.
2
Switching Characteristics Over Operating Conditions
Military
Typ
Commercial
Typ
Symbol
Parameter
Test Conditions
Units
Min
Max
Min
Max
e
C
L
T
pd
Input to Output
50 pF
35
30
ns
Test Load
Test Waveform
Propagation Delay
TL/L/10228–2
TL/L/10228–3
Notes:
e
V
T
1.5V
C
L
includes probe and jig capacitance.
In the examples above, the phase relationships between inputs and outputs
have been chosen arbitrarily.
Schematic of Inputs and Outputs
TL/L/10228–4
3
Logic Diagram
LS450A
TL/L/10228–5
4
Physical Dimensions inches (millimeters)
24-Pin Narrow Ceramic Dual-In-Line Package (J)
Order Number DM54LS450AJ or DM74LS450AJ
NS Package J24F
24-Pin Narrow Plastic Dual-In-Line Package (N)
Order Number DM74LS450AN
NS Package N24C
5
Physical Dimensions inches (millimeters) (Continued)
28-Lead Plastic Chip Carrier (V)
Order Number DM74LS450AV
NS Package Number V28A
LIFE SUPPORT POLICY
NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF NATIONAL
SEMICONDUCTOR CORPORATION. As used herein:
1. Life support devices or systems are devices or
systems which, (a) are intended for surgical implant
into the body, or (b) support or sustain life, and whose
failure to perform, when properly used in accordance
with instructions for use provided in the labeling, can
be reasonably expected to result in a significant injury
to the user.
2. A critical component is any component of a life
support device or system whose failure to perform can
be reasonably expected to cause the failure of the life
support device or system, or to affect its safety or
effectiveness.
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Corporation
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Japan Ltd.
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