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LTC1483CS8 Datasheet(PDF) 8 Page - Linear Technology |
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LTC1483CS8 Datasheet(HTML) 8 Page - Linear Technology |
8 / 8 page 8 LTC1483 © LINEAR TECHNOLOGY CORPORATION 1994 LT/GP 1094 10K • PRINTED IN THE USA Linear Technology Corporation 1630 McCarthy Blvd., Milpitas, CA 95035-7487 (408) 432-1900 q FAX: (408) 434-0507 q TELEX: 499-3977 APPLICATIO S I FOR ATIO Shutdown Mode Both the receiver output (RO) and the driver outputs (A, B) can be placed in three-state mode by bringing RE high and DE low respectively. In addition, the LTC1483 will enter shutdown mode when RE is high and DE is low. In shutdown the LTC1483 typically draws only 1 µA of supply current. In order to guarantee that the part goes into shutdown, RE must be high and DE must be low for at least 600ns simultaneously. If this time duration is less than 50ns the part will not enter shutdown mode. Toggling either RE or DE will wake the LTC1483 back up within 3.5 µs. If the slow slew rate driver was active immediately prior to shutdown, the supply current will not drop to 1 µA until the driver outputs have reached a steady state; this can take as long as 2.6 µs under worst case conditions. If the driver was disabled prior to shutdown the supply current will drop to 1 µA immediately. RELATED PARTS PART NUMBER DESCRIPTION COMMENTS LTC485 5V Low Power RS485 Interface Transceiver Low Power LTC1480 3.3V Ultra-Low Power RS485 Transceiver World’s First 3V Powered 485 Transceiver with Low Power Consumption LTC1481 5V Ultra-Low Power RS485 Transceiver with Shutdown Lowest Power LTC1485 5V Differential Bus Transceiver Highest Speed LTC1487 5V Ultra-Low Power RS485 with Low EMI Shutdown High Input Impendance/Low EMI/Lowest Power and High Input Impendance Dimension in inches (millimeters) unless otherwise noted. PACKAGE DESCRIPTION N Package 8-Lead Plastic DIP N8 0695 0.005 (0.127) MIN 0.100 ± 0.010 (2.540 ± 0.254) 0.065 (1.651) TYP 0.045 – 0.065 (1.143 – 1.651) 0.130 ± 0.005 (3.302 ± 0.127) 0.015 (0.380) MIN 0.018 ± 0.003 (0.457 ± 0.076) 0.125 (3.175) MIN 12 3 4 87 6 5 0.255 ± 0.015* (6.477 ± 0.381) 0.400* (10.160) MAX 0.009 – 0.015 (0.229 – 0.381) 0.300 – 0.325 (7.620 – 8.255) 0.325 +0.025 –0.015 +0.635 –0.381 8.255 () *THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS. MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.010 INCH (0.254mm) 1 2 3 4 0.150 – 0.157** (3.810 – 3.988) 8 7 6 5 0.189 – 0.197* (4.801 – 5.004) 0.228 – 0.244 (5.791 – 6.197) 0.016 – 0.050 0.406 – 1.270 0.010 – 0.020 (0.254 – 0.508) × 45° 0 °– 8° TYP 0.008 – 0.010 (0.203 – 0.254) SO8 0695 0.053 – 0.069 (1.346 – 1.752) 0.014 – 0.019 (0.355 – 0.483) 0.004 – 0.010 (0.101 – 0.254) 0.050 (1.270) BSC DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE * ** S Package 8-Lead Plastic SOIC |
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