DM74LS22MX [TI]
LS SERIES, DUAL 4-INPUT NAND GATE, PDSO14, PLASTIC, SOP-14;
| 型号： | DM74LS22MX |
| 厂家： | 
TEXAS INSTRUMENTS |
| 描述： | LS SERIES, DUAL 4-INPUT NAND GATE, PDSO14, PLASTIC, SOP-14 输入元件 光电二极管 逻辑集成电路 |
| 文件： | 总4页 (文件大小：92K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
February 1992
DM74LS22
Dual 4-Input NAND Gate
with Open-Collector Output
General Description
The ’LS22 contains two independent NAND gates, each
with four data inputs.
Connection Diagram
Dual-In-Line Package
TL/F/10168–1
Order Number DM74LS22M or DM74LS22N
See NS Package Number M14A or N14A
Truth Table
e
Y
ABCD
Inputs
Outputs
Y
A
B
C
D
X
X
X
L
X
X
L
X
L
L
X
X
X
H
H
H
H
H
L
X
X
H
X
H
H
e
e
e
H
L
High Logic Level
Low Logic Level
X
Either Low or High Logic Level
C
1995 National Semiconductor Corporation
TL/F/10168
RRD-B30M105/Printed in U. S. A.
Absolute Maximum Ratings (Note)
Supply Voltage
7V
7V
Note: The ‘‘Absolute Maximum Ratings’’ are those values
beyond which the safety of the device cannot be guaran-
teed. The device should not be operated at these limits. The
parametric values defined in the ‘‘Electrical Characteristics’’
table are not guaranteed at the absolute maximum ratings.
The ‘‘Recommended Operating Conditions’’ table will define
the conditions for actual device operation.
Input Voltage
Operating Free Air Temperature Range
DM74LS
a
0 C to 70 C
§
§
§
b
a
65 C to 150 C
§
Storage Temperature Range
Recommended Operating Conditions
DM74LS22
Units
Symbol
Parameter
Min
4.75
2
Nom
Max
V
V
V
V
Supply Voltage
5
5.25
V
V
CC
High Level Input Voltage
Low Level Input Voltage
IH
0.8
5.5
8
V
IL
High Level Output Voltage
Low Level Output Current
Free Air Operating Temperature
mA
mA
OH
I
OL
T
A
0
70
C
§
Electrical Characteristics over recommended operating free air temperature range unless otherwise noted
Typ
Symbol
Parameter
Conditions
Min
Max
Units
V
(Note 1)
e
e
e b
Min, I
I
b
1.5
V
I
Input Clamp Voltage
V
18 mA
CC
e
I
High Level
V
V
Min, V
5.5V,
CEX
CC
O
100
mA
e
Output Current
Max
IL
e
e
V
OL
Low Level Output
Voltage
V
V
Min, I
Max,
CC
OL
e
Min
DM74
DM74
0.5
0.4
V
IH
e
e
I
4 mA, V
CC
Min
OL
@
Input Current Max
e
e
I
V
Max, V
5.5V
I
CC
I
0.1
20
mA
Input Voltage
e
e
e
e
e
I
I
I
High Level Input Current
Low Level Input Current
V
CC
V
CC
V
CC
Max, V
Max, V
Max, V
2.7V
0.4V
mA
mA
mA
IH
I
b
0.4
0.8
IL
I
e
Supply Current
Outputs High
GND
CCH
IN
e
e
Open
I
Supply Current
Outputs Low
V
CC
Max, V
2.2
mA
CCL
IN
e
e
25 C.
Note 1: All typicals are at V
5V, T
§
CC
A
2
Switching Characteristics
5.0V, T
e a
e a
25 C
at V
§
CC
A
e
e
2 kX, C
L
R
15 pF
Max
L
Symbol
Parameter
Units
Min
t
t
Propagation Delay Time
Low to High Level Output
PLH
22
24
ns
ns
Propagation Delay Time
High to Low Level Output
PHL
Physical Dimensions inches (millimeters)
14-Lead Small Outline Molded Package (M)
Order Number DM74LS22M
NS Package Number M14A
3
Physical Dimensions inches (millimeters) (Continued)
14-Lead Molded Dual-In-Line Package (N)
Order Number DM74LS22N
NS Package Number N14A
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