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SP508 数据表(PDF) 20 Page - Sipex Corporation |
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SP508 数据表(HTML) 20 Page - Sipex Corporation |
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20 / 27 page ![]() 20 Date: 8/19/04 SP508 Enhanced WAN Multi–Protocol Serial Transceiver © Copyright 2004 Sipex Corporation Figure 45. Functional Diagram TxD SD(a) V35TGND1 SD(b) SDEN VCC VDD C1- VSS C1+ +5V (decoupling capacitor not shown) 1µF Regulated Charge Pump SP508 TxCE TT(a) V35TGND2 TT(b) TTEN ST ST(a) V35TGND3 ST(b) STEN RD(a) RxD RDEN RD(b) RT(a) RxC RTEN RT(b) TxC(a) TxC TxCEN TxC(b) CS(a) CTS CSEN CS(b) DM(a) DSR DMEN DM(b) RRT(a) DCD_DTE RRTEN RRT(b) TM(a) TM TMEN RTS RS(a) RS(b) RSEN DTR TR(a) TR(b) TREN DCD_DCE RRC(a) RRC(b) RRCEN LL LL(a) LLEN C2- C2+ 1µF 1µF 1µF GND D0 D1 D2 TERM-OFF D-LATCH V.10-GND V.35 MODE TX ENABLE 51ohms 51ohms 124ohms V.35 DRIVER TERMINATION NETWORK V.35 MODE RX ENABLE 51ohms 51ohms 124ohms RECEIVER TERMINATION NETWORK V.11 MODE RL RL(a) RLEN IC RI ICEN V35RGND LOOPBACK 72 69 70 67 66 73 46 48 36 11 47 50 37 12 49 53 38 13 51 55 39 14 54 57 40 15 56 60 41 16 59 61 42 17 62 43 18 19 20 21 23 22 27 28 97 99 100 3 29 92 94 95 4 30 87 89 90 5 31 83 85 6 32 75 78 7 33 81 79 8 34 65 9 35 63 10 58 VCC pins (1, 26, 45, 64, 71, 77, 80, 84, 88, 93, 98) GND pins (2, 25, 44, 52, 68, 74, 82, 86, 91, 96) N.C. pins (24 and 76) |
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