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75492 PDF даташит

Спецификация 75492 изготовлена ​​​​«National Semiconductor» и имеет функцию, называемую «MOS-to-LED Hex Digit Driver».

Детали детали

Номер произв 75492
Описание MOS-to-LED Hex Digit Driver
Производители National Semiconductor
логотип National Semiconductor логотип 

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75492 Даташит, Описание, Даташиты
February 1995
DS75491 MOS-to-LED Quad Segment Driver
DS75492 MOS-to-LED Hex Digit Driver
General Description
The DS75491 and DS75492 are interface circuits designed
to be used in conjunction with MOS integrated circuits and
common-cathode LEDs in serially addressed multi-digit dis-
plays The number of drivers required for this time-multi-
plexed system is minimized as a result of the segment-ad-
dress-and-digit-scan method of LED drive
Features
Y 50 mA source or sink capability per driver (DS75491)
Y 250 mA sink capability per driver (DS75492)
Y MOS compatability (low input current)
Y Low standby power
Y High-gain Darlington circuits
Schematic and Connection Diagrams
DS75491 (each driver)
DS75492 (each driver)
TL F 5830 – 1
DS75491 Dual-In-Line Package
TL F 5830 – 2
DS75492 Dual-In-Line Package
Top View
TL F 5830 – 3
Top View
Order Number DS75491N DS75492M or DS75492N
See NS Package Number M14A or N14A
TL F 5830 – 4
C1995 National Semiconductor Corporation TL F 5830
RRD-B30M105 Printed in U S A









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75492 Даташит, Описание, Даташиты
Absolute Maximum Ratings (Note 1)
If Military Aerospace specified devices are required
please contact the National Semiconductor Sales
Office Distributors for availability and specifications
DS75491 DS75492
Input Voltage Range (Note 4)
b5V to VSS
Collector Output Voltage (Note 5)
10V 10V
Collector Output to Input Voltage
10V 10V
Emitter to Ground Voltage (VI t 5V)
Emitter to Input Voltage
10V
5V
Voltage at VSS Terminal with Respect
to any Other Device Terminal
10V
10V
Collector Output Current
Each Collector Output
All Collector Outputs
50 mA 250 mA
200 mA 600 mA
Continuous Total Dissipation
DS75491
600 mW
DS75492
600 mW
Operating Temperature Range
0 C to a70 C
Storage Temperature Range
b65 C to a150 C
Lead Temp (Soldering 10 sec)
300 C
300 C
Maximum Power Dissipation
at 25 C
Molded Package
1207 mW 1280 mW
Derate molded package 9 66 mW C above 25 C
Derate molded package 10 24 mW C above 25 C
Electrical Characteristics VSS e 10V (Notes 2 and 3)
Symbol
Parameter
Conditions
Min Typ Max Units
DS75491
VCE ON ‘‘ON’’ State Collector Emitter Voltage
IC OFF ‘‘OFF’’ State Collector Current
II Input Current at Maximum Input Voltage
IE Emitter Reverse Current
ISS Current Into VSS Terminal
DS75492
Input e 8 5V through 1 kX
VE e 5V IC e 50 mA
TA e 25 C
TA e 0 – 70 C
VC e 10V
VE e 0V
IIN e 40 mA
VIN e 0 7V
VIN e 10V VE e 0V IC e 20 mA
VIN e 0V VE e 5V IC e 0 mA
09 12
15
100
100
22 33
100
1
V
V
mA
mA
mA
mA
mA
VOL Low Level Output Voltage
Input e 6 5V through 1 kX
IOUT e 250 mA
TA e 25 C
TA e 0 – 70 C
IOH High Level Output Current
VOH e 10V IIN e 40 mA
VIN e 0 5V
II Input Current at Maximum Input Voltage VIN e 10V IOL e 20 mA
ISS Current Into VSS Terminal
09 12
15
200
200
22 33
1
V
V
mA
mA
mA
mA
Switching Characteristics VSS e 7 5V TA e 25 C
Symbol
Parameter
Conditions
Min Typ Max Units
DS75491
tPLH Propagation Delay Time Low-to-High Level Output (Collector)
tPHL Propagation Delay Time High-to-Low Level Output (Collector)
DS75492
VIH e 4 5V VE e 0V
RL e 200X CL e 15 pF
100
20
ns
ns
tPLH Propagation Delay Time Low-to-High Level Output
tPHL Propagation Delay Time High-to-Low Level Output
VIH e 7 5V RL e 39X 300 ns
CL e 15 pF
30 ns
Note 1 ‘‘Absolute Maximum Ratings’’ are those values beyond which the safety of the device cannot be guaranteed Except for ‘‘Operating Temperature Range’’
they are not meant to imply that the devices should be operated at these limits The table of ‘‘Electrical Characteristics’’ provides conditions for actual device
operation
Note 2 Unless otherwise specified min max limits apply across the 0 C to a70 C temperature range for the DS75491 and DS75492
Note 3 All currents into device pins shown as positive out of device pins as negative all voltages referenced to ground unless otherwise noted All values shown
as max or min on absolute value basis
Note 4 The input is the only device terminal which may be negative with respect to ground
Note 5 Voltage values are with respect to network ground terminal unless otherwise noted
2









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75492 Даташит, Описание, Даташиты
AC Test Circuits and Switching Time Waveforms
DS75491
DS75492
TL F 5830 – 5
TL F 5830 – 6
Note 1 The pulse generator has the following characteristics ZOUT e 50X PRR e 100 kHz tW e 1 ms
Note 2 CL includes probe and jig capacitance
Physical Dimensions inches (millimeters)
TL F 5830 – 7
14-Lead (0 150 Wide) Molded Small Outline Package JEDEC
Order Number DS75492M
NS Package Number M14A
3










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Номер в каталогеОписаниеПроизводители
75491MOS-to-LED Quad Segment DriverNational Semiconductor
National Semiconductor
75492MOS-to-LED Hex Digit DriverNational Semiconductor
National Semiconductor

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