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DM5445 PDF даташит

Спецификация DM5445 изготовлена ​​​​«National Semiconductor» и имеет функцию, называемую «BCD to Decimal Decoders/Drivers».

Детали детали

Номер произв DM5445
Описание BCD to Decimal Decoders/Drivers
Производители National Semiconductor
логотип National Semiconductor логотип 

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DM5445 Даташит, Описание, Даташиты
June 1989
DM5445 DM7445 BCD to Decimal Decoders Drivers
General Description
These BCD-to-decimal decoders drivers consist of eight in-
verters and ten four-input NAND gates The inverters are
connected in pairs to make BCD input data available for
decoding by the NAND gates Full decoding of BCD input
logic ensures that all outputs remain off for all invalid
(10 – 15) binary input conditions These decoders feature
high-performance NPN output transistors designed for use
as indicator relay drivers or as open-collector logic-circuit
drivers The high-breakdown output transistors are compati-
ble for interfacing with most MOS integrated circuits
Features
Y Full decoding of input logic
Y 80 mA sink-current capability
Y All outputs are off for invalid BCD input conditions
Connection Diagram
Function Table
Dual-In-Line Package
TL F 6517 – 1
Order Number DM5445J DM5445W or DM7445N
See NS Package Number J16A N16E or W16A
Inputs
No
Outputs
DCBA0 1 2 3 4 5 6 7 8 9
0 L L L L LHHHHHHHHH
1 L L LHHLHHHHHHHH
2 L LHLHHLHHHHHHH
3 L LHHHHHLHHHHHH
4 LHL LHHHHLHHHHH
5 LHLHHHHHHLHHHH
6 LHHLHHHHHHLHHH
7 LHHHHHHHHHHLHH
8 HL L LHHHHHHHHLH
9 HL LHHHHHHHHHHL
I HLHLHHHHHHHHHH
N HLHHHHHHHHHHHH
V HHL LHHHHHHHHHH
A HHLHHHHHHHHHHH
L HHHLHHHHHHHHHH
I HHHHHHHHHHHHHH
D
H e High Level (Off) L e Low Level (On)
C1995 National Semiconductor Corporation TL F 6517
RRD-B30M105 Printed in U S A









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DM5445 Даташит, Описание, Даташиты
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
Output Voltage
30V
Operating Free Air Temperature Range
DM54
b55 C to a125 C
DM74
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
VOH
IOL
TA
Parameter
Supply Voltage
High Level Input Voltage
Low Level Input Voltage
High Level Output Voltage
Low Level Output Current
Free Air Operating Temperature
Min
45
2
b55
DM5445
Nom
5
Max
55
08
30
20
125
Min
4 75
2
0
DM7445
Nom
5
Max
5 25
08
30
20
70
Units
V
V
V
V
mA
C
Electrical Characteristics over recommended operating free air temperature range (unless otherwise noted)
Symbol
Parameter
Conditions
Typ
Min Max Units
(Note 1)
VI
ICEX
VOL
II
Input Clamp Voltage
High Level Output
Current
Low Level Output
Voltage
Input Current Max
Input Voltage
VCC e Min II e b12 mA
VCC e Min VO e 30V
VIL e Max VIH e Min
VCC e Min IOL e Max
VIH e Min VIL e Max
IOL e 80 mA
VCC e Min
VCC e Max VI e 5 5V
b1 5
250
V
mA
02 04
V
05 09
1 mA
IIH
High Level Input Current
VCC e Max VI e 2 4V
IIL
Low Level Input Current
VCC e Max VI e 0 4V
ICC Supply Current
VCC e Max
(Note 2)
DM54
DM74
40 mA
b1 6
mA
43 62
mA
43 70
Switching Characteristics at VCC e 5V and TA e 25 C (See Section 1 for Test Waveforms and Output Load)
Symbol
Parameter
Conditions Min Max Units
tPLH
Propagation Delay Time
Low to High Level Output
tPHL
Propagation Delay Time
High to Low Level Output
Note 1 All typicals are at VCC e 5V TA e 25 C
Note 2 ICC is measured with all inputs grounded and all outputs open
CL e 15 pF
RL e 100X
49 5 ns
49 5 ns
2









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DM5445 Даташит, Описание, Даташиты
Logic Diagram
Physical Dimensions inches (millimeters)
TL F 6517 – 2
16-Lead Ceramic Dual-In-Line Package (J)
Order Number DM5445J
NS Package Number J16A
3










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