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 displays The number of drivers required for this time-multiplexed system is minimized as a result of the segment-address-and-digit-scan method of LED drive Features Y Y Y Y Y 50 mA source o.
Y Y Y Y Y
50 mA source or sink capability per driver (DS75491) 250 mA sink capability per driver (DS75492) MOS compatability (low input current) Low standby power High-gain Darlington circuits
Schematic and Connection Diagrams
DS75491 (each driver) DS75492 (each driver)
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– 1
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DS75491 Dual-In-Line Package
DS75492 Dual-In-Line Package
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Top View Order Number DS75491N DS75492M or DS75492N See NS Package Number M14A or N14A
Top View
C1995 National Semiconductor Corporation
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RRD-B30M105 Printed in U S A
Absolute Maximum Ratings .
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | DS75491 |
National Semiconductor |
MOS-to-LED Digit Driver/ Quad Segment Driver | |
2 | DS75493 |
National Semiconductor |
Quad LED Segment Driver | |
3 | DS75494 |
National Semiconductor |
Hex Digit Driver | |
4 | DS75450 |
National Semiconductor |
Series Dual Peripheral Drivers | |
5 | DS75451 |
National Semiconductor |
Series Dual Peripheral Drivers | |
6 | DS75452 |
National Semiconductor |
Series Dual Peripheral Drivers | |
7 | DS75453 |
National Semiconductor |
Series Dual Peripheral Drivers | |
8 | DS75454 |
National Semiconductor |
Dual Peripheral Drivers | |
9 | DS75 |
Dallas Semiconducotr |
Digital Thermometer and Thermostat | |
10 | DS75-08B |
IXYS |
Rectifier Diode | |
11 | DS75-12B |
IXYS |
Rectifier Diode | |
12 | DS7505 |
Maxim Integrated |
Digital Thermometer and Thermostat |