Datasheet Details
- Part number
- DS1489
- Manufacturer
- National Semiconductor
- File Size
- 244.97 KB
- Datasheet
- DS1489_NationalSemiconductor.pdf
- Description
- Quad Line Driver
DS1489 Description
DS1489/DS1489A Quad Line Receiver July 2002 DS1489/DS1489A Quad Line Receiver General .
The DS1489/DS1489A are quad line receivers designed to interface data terminal equipment with data communications equipment.
DS1489 Features
* n n n n n Four separate receivers per package Programmable threshold Built-in input threshold hysteresis “Fail safe” operating mode: high output for open inputs Inputs withstand ± 30V
Schematic and Connection Diagrams
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00577701
(1⁄4 of unit shown) DS1489: RF = 10k DS1489A: RF =
DS1489 Applications
* Using the Response Control Pin Noise Filter See Figure 7 Threshold Shift See Figures 3, 4 Noise Filter and Threshold Shift See Figures 3, 4, 7
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Application of DS1488, DS1489A and UART
00577716
5
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DS1489/DS1489A
Physical Dimensions
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