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ISL31483EIBZ Datasheet(PDF) 4 Page - Intersil Corporation |
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ISL31483EIBZ Datasheet(HTML) 4 Page - Intersil Corporation |
4 / 24 page ISL31480E, ISL31483E, ISL31485E, ISL31486E 4 FN7638.0 June 25, 2010 B N/A 11 N/A N/A N/A N/A ±60V Fault Protected RS-485/RS-422 level input. If RINV is low, then B is the inverting receiver input. If RINV is high, then B is the non-inverting receiver input. Y N/A 9 N/A N/A N/A N/A ±60V Fault Protected RS-485/RS-422 level output. If DINV is low, then Y is the non- inverting driver output. If DINV is high, then Y is the inverting driver output Z N/A 10 N/A N/A N/A N/A ±60V Fault Protected RS-485/RS-422 level. If DINV is low, then Z is the inverting driver output. If DINV is high, then Z is the non-inverting driver output VCC 10 13, 14 8 11 9 13 System power supply input (4.5V to 5.5V). VL 1 N/A N/A 12 10 14 Logic-Level Supply input (1.62V to VCC) which powers all the TTL/CMOS inputs and the RO output (logic pins). VL sets the VIH and VIL levels for logic input pins, and sets the VOH level for the RO pin. Power up this supply after VCC, and keep VL ≤ VCC. To minimize input current, logic input pins that are strapped high externally should connect to VL, but they may be connected to VCC if necessary. INV N/A N/A 2 3 3 3 Receiver and driver polarity selection input. When driven high this pin swaps the polarity of the driver output and receiver input pins. If unconnected (floating) or connected low, normal RS-485 polarity conventions apply. Internally pulled low. RINV N/A 1 N/A N/A N/A N/A Receiver polarity selection input. When driven high this pin swaps the polarity of the receiver input pins. If unconnected (floating) or connected low, normal RS-485 polarity conventions apply. Internally pulled low. DINV N/A 8 N/A N/A N/A N/A Driver polarity selection input. When driven high this pin swaps the polarity of the driver output pins. If unconnected (floating) or connected low, normal RS-485 polarity conventions apply. Internally pulled low. PD TDFN ONLY N/A N/A EPAD N/A N/A TDFN exposed thermal pad (EPAD). Connect to GND. NC 7 N/A N/A 6 N/A 5, 7, 10 No Internal Connection. Pin Descriptions (Continued) PIN NAME ISL31480E PIN # ISL31483E PIN # ISL31485E PIN # ISL31486E (12 LD) PIN # ISL31486E (10 LD) PIN # ISL31486E (14 LD) PIN # FUNCTION |
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