Description
The DS1489/DS1489A are quad line receivers designed to interface data terminal equipment with data communications equipment.
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
www. DataSheet4U. com
00577701
(1⁄4 of unit shown) DS1489: RF = 10k DS1489A: RF = 2k
Dual-In-Line or Small-Out Line Package
00577702
Top View Order Number DS1489M, DS1489MX, DS1489N, DS1489AM, DS1489AMX or DS1489AN See NS Package Number M14A or N14A
© 2002 National Semiconduct.