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ISL3331IRZ-T Datasheet(PDF) 4 Page - Intersil Corporation |
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ISL3331IRZ-T Datasheet(HTML) 4 Page - Intersil Corporation |
4 / 25 page 4 FN6361.0 May 20, 2008 TABLE 3. ISL3331 FUNCTION TABLE INPUTS RECEIVER OUTPUTS DRIVER OUTPUTS DRIVER DATA RATE (Mbps) CHARGE PUMPS (Note 3) MODE 485/232 ON RXEN AND/OR RXEN DEN SLEW SPB RA RB YZ 0 1 1 and 0 0 N/A N/A High-Z High-Z High-Z High-Z - ON RS-232 0 1 1 and 0 1 N/A N/A High-Z High-Z ON ON 0.46 ON RS-232 0 1 0 or 1 0 N/A N/A ON ON High-Z High-Z - ON RS-232 0 1 0 or 1 1 N/A N/A ON ON ON ON 0.46 ON RS-232 0 0 1 and 0 1 N/A N/A High-Z High-Z ON High-Z 0.46 ON RS-232 0 0 0 or 1 0 N/A N/A High-Z ON ON High-Z 0.46 ON RS-232 0 0 0 or 1 1 N/A N/A ON ON ON ON 0.46 ON RS-232 (Note 4) X 0 1 and 0 0 X X High-Z High-Z High-Z High-Z - OFF Shutdown 1 1 1 and 0 0 X X High-Z High-Z High-Z High-Z - OFF RS-485 1 X 1 and 0 1 0 1/0 High-Z High-Z ON ON 0.46/0.115 OFF RS-485 1 X 1 and 0 1 1 X High-Z High-Z ON ON 20 OFF RS-485 1 X 0 or 1 0 X X ON High-Z High-Z High-Z - OFF RS-485 1 1 0 or 1 1 0 1/0 ON High-Z ON ON 0.46/0.115 OFF RS-485 1 1 0 or 1 1 1 X ON High-Z ON ON 20 OFF RS-485 1 0 0 or 1 1 0 1/0 ON High-Z ON ON 0.46/0.115 OFF RS-485 (Note 4) 1 0 0 or 1 1 1 X ON High-Z ON ON 20 OFF RS-485 (Note 4) NOTES: 3. Charge pumps are on if in RS-232 mode and ON or DEN or RXEN is high, or RXEN is low. 4. Loopback is enabled when ON = 0, and DEN = 1, and (RXEN = 1 or RXEN = 0). ISL3331 Truth Tables RS-232 TRANSMITTING MODE INPUTS (ON = 1) OUTPUTS 485/232 DEN DY DZ YZ 0 1 0011 0 1 0110 0 1 1001 0 1 1100 0 0 X X High-Z High-Z RS-232 RECEIVING MODE INPUTS (ON = 1) OUTPUT 485/232 RXEN and/or RXEN A B RA RB 00 or 1 0 0 1 1 00 or 1 0 1 1 0 00 or 1 1 0 0 1 00 or 1 1 1 0 0 0 0 or 1 Open Open 1 1 0 1 and 0 X X High-Z High-Z RS-485 TRANSMITTING MODE INPUTS (ON = 1) OUTPUTS DATA 485/232 DEN SLEW SPB DY YZ Mbps 1 1 0 0 0/1 1/0 0/1 0.115 1 1 0 1 0/1 1/0 0/1 0.460 1 1 1 X 0/1 1/0 0/1 20 1 0 X X X High-Z High-Z - RS-485 RECEIVING MODE INPUTS (ON = 1) OUTPUT 485/232 RXEN and/or RXEN B-A RA RB 10 or 1 ≥ -40mV 1 High-Z 10 or 1 ≤ -200mV 0 High-Z 1 0 or 1 Open or Shorted together 1 High-Z 1 1 and 0 X High-Z High-Z ISL3330, ISL3331 |
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