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SP3243EHET-L Datasheet(PDF) 7 Page - Exar Corporation |
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SP3243EHET-L Datasheet(HTML) 7 Page - Exar Corporation |
7 / 25 page Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com SP3243E_102_060611 7 Figure 9. SP3243E QFN Pinout Configuration SP3243E NC R1IN R2IN R3IN R4 IN R5 IN T1OUT T2OUT 1 2 3 4 5 6 7 8 24 23 22 21 20 19 18 17 NC GND C1- ONLINE SHUTDOWN STATUS R2OUT R1OUT Figure 8. SP3243E Typical Operating Circuit SP3243E 28 24 2 1 27 3 26 5kΩ 5kΩ 5kΩ 5kΩ 5kΩ GND C1+ C1- C2+ C2- V+ V- VCC 14 13 12 20 19 18 17 16 15 0.1µ F 0.1µ F 0.1µ F + C2 C5 C1 + + C3 C4 + + 0.1µ F 0.1µ F 9 10 11 4 5 6 7 8 RS-232 OUTPUTS RS-232 INPUTS TTL/CMOS INPUTS TTL/CMOS OUTPUTS To µ P Supervisor Circuit 23 22 21 VCC VCC 25 T1IN R1OUT R1IN T2OUT R2OUT T2IN T3IN T3OUT T1OUT R2IN R3IN R4IN R5IN R2OUT R3OUT R4OUT R5OUT ONLINE SHUTDOWN STATUS |
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