DM74S32 반도체 회로 부품 판매점
Quad 2-Input OR Gates
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 National Semiconductor |
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DM54S32 DM74S32 Quad 2-Input OR Gates
General Description
This device contains four independent gates each of which
performs the logic OR function
Connection Diagram
Dual-In-Line Package
June 1989
Function Table
TL F 6452 – 1
Order Number DM54S32J DM54S32W or DM74S32N
See NS Package Number J14A N14A or W14B
YeAaB
Inputs
Output
AB
Y
LL
LH
HL
HH
L
H
H
H
H e High Logic Level
L e Low Logic Level
C1995 National Semiconductor Corporation TL F 6452
RRD-B30M105 Printed in U S A
Absolute Maximum Ratings (Note)
If Military Aerospace specified devices are required
please contact the National Semiconductor Sales
Office Distributors for availability and specifications
Supply Voltage
7V
Input Voltage
5 5V
Operating Free Air Temperature Range
DM54S
b55 C to a125 C
DM74S
0 C to a70 C
Storage Temperature Range
b65 C to a150 C
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
Recommended Operating Conditions
Symbol
VCC
VIH
VIL
IOH
IOL
TA
Parameter
Supply Voltage
High Level Input Voltage
Low Level Input Voltage
High Level Output Current
Low Level Output Current
Free Air Operating Temperature
Min
45
2
b55
DM54S32
Nom
5
Max
55
08
b1
20
125
Min
4 75
2
0
DM74S32
Nom
5
Max
5 25
08
b1
20
70
Units
V
V
V
mA
mA
C
Electrical Characteristics over recommended operating free air temperature (unless otherwise noted)
Symbol
VI
VOH
VOL
II
IIH
IIL
IOS
ICCH
ICCL
Parameter
Input Clamp Voltage
High Level Output
Voltage
Low Level Output
Voltage
Input Current Max
Input Voltage
High Level Input Current
Low Level Input Current
Short Circuit
Output Current
Supply Current with
Outputs High
Supply Current with
Outputs Low
Conditions
VCC e Min II e b18 mA
VCC e Min IOH e Max
VIH e Min
VCC e Min IOL e Max
VIL e Max
VCC e Max VI e 5 5V
DM54
DM74
VCC e Max VI e 2 7V
VCC e Max VI e 0 5V
VCC e Max
(Note 2)
VCC e Max
DM54
DM74
VCC e Max
Min
25
27
b40
b40
Typ
(Note 1)
34
34
18
38
Max
b1 2
05
1
50
b2
b100
b100
32
68
Units
V
V
V
mA
mA
mA
mA
mA
mA
Switching Characteristics at VCC e 5V and TA e 25 C (See Section 1 for Test Waveforms and Output Load)
Symbol
Parameter
RL e 280X
CL e 15 pF
CL e 50 pF
Min Max Min Max
Units
tPLH
Propagation Delay Time
2
7
2
9 ns
Low to High Level Output
tPHL
Propagation Delay Time
2
7
2
High to Low Level Output
Note 1 All typicals are at VCC e 5V TA e 25 C
Note 2 Not more than one output should be shorted at a time and the duration should not exceed one second
9 ns
2
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DM74S32 gate
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