Overview
The SP508ECF-L is a RS 485 , RS 422 IC made by MaxLinear in a LQFP-100(14x14) package with 100 pins. 0℃~+70℃ 20Mbps 4.75V~5.25V LQFP-100(14x14) RS-485 / RS-422 ICs ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:SP508EEF-L, from EasyEDA) and its footprint (Package_QFP:LQFP-100_14x14mm_P0.5mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C1545529).
Symbol
Footprint
Parameters
4- Data Rate
- 20Mbps
- Features
- Enable shutdown, Tx/Rx enable, Internal termination resistor
- Operating Temperature
- 0℃~+70℃
- Voltage - Supply
- 4.75V~5.25V
Order codes
1- SP508ECF-LLCSC C1545529
Pinout
100| Pin | Name | Type |
|---|---|---|
| 1 | VCC | Unspecified |
| 2 | GND | Unspecified |
| 3 | SDEN | Unspecified |
| 4 | TTEN | Unspecified |
| 5 | STEN | Unspecified |
| 6 | RSEN | Unspecified |
| 7 | TREN | Unspecified |
| 8 | RRCEN | Unspecified |
| 9 | RLEN | Unspecified |
| 10 | LLEN# | Unspecified |
| 11 | RDEN# | Unspecified |
| 12 | RTEN# | Unspecified |
| 13 | TXCEN# | Unspecified |
| 14 | CSEN# | Unspecified |
| 15 | DMEN# | Unspecified |
| 16 | RRTEN# | Unspecified |
| 17 | ICEN# | Unspecified |
| 18 | TMEN | Unspecified |
| 19 | D0 | Unspecified |
| 20 | D1 | Unspecified |
| 21 | D2 | Unspecified |
| 22 | TERM_OFF | Unspecified |
| 23 | D_LATCH# | Unspecified |
| 24 | N/C | Unspecified |
| 25 | GND | Unspecified |
| 26 | VCC | Unspecified |
| 27 | LOOPBACK# | Unspecified |
| 28 | TXD | Unspecified |
| 29 | TXCE | Unspecified |
| 30 | ST | Unspecified |
| 31 | RTS | Unspecified |
| 32 | DTR | Unspecified |
| 33 | DCD_DCE | Unspecified |
| 34 | RL | Unspecified |
| 35 | LL | Unspecified |
| 36 | RXD | Unspecified |
| 37 | RXC | Unspecified |
| 38 | TXC | Unspecified |
| 39 | CTS | Unspecified |
| 40 | DSR | Unspecified |
| 41 | DCD_DTE | Unspecified |
| 42 | RI | Unspecified |
| 43 | TM | Unspecified |
| 44 | GND | Unspecified |
| 45 | VCC | Unspecified |
| 46 | V35RGND | Unspecified |
| 47 | RD(b) | Unspecified |
| 48 | RD(a) | Unspecified |
| 49 | RT(b) | Unspecified |
| 50 | RT(a) | Unspecified |
| 51 | TXC(b) | Unspecified |
| 52 | GND | Unspecified |
| 53 | TXC(a) | Unspecified |
| 54 | CS(b) | Unspecified |
| 55 | CS(a) | Unspecified |
| 56 | DM(b) | Unspecified |
| 57 | DM(a) | Unspecified |
| 58 | V10GND | Unspecified |
| 59 | RRT(b) | Unspecified |
| 60 | RRT(a) | Unspecified |
| 61 | IC(a) | Unspecified |
| 62 | TM(a) | Unspecified |
| 63 | LL(a) | Unspecified |
| 64 | VCC | Unspecified |
| 65 | RL(a) | Unspecified |
| 66 | VSS | Unspecified |
| 67 | C2- | Unspecified |
| 68 | GND | Unspecified |
| 69 | C1- | Unspecified |
| 70 | C2+ | Unspecified |
| 71 | VCC | Unspecified |
| 72 | C1+ | Unspecified |
| 73 | VDD | Unspecified |
| 74 | GND | Unspecified |
| 75 | TR(a) | Unspecified |
| 76 | N/C | Unspecified |
| 77 | VCC | Unspecified |
| 78 | TR(b) | Unspecified |
| 79 | RRC(b) | Unspecified |
| 80 | VCC | Unspecified |
| 81 | RRC(a) | Unspecified |
| 82 | GND | Unspecified |
| 83 | RS(a) | Unspecified |
| 84 | VCC | Unspecified |
| 85 | RS(b) | Unspecified |
| 86 | GND | Unspecified |
| 87 | ST(a) | Unspecified |
| 88 | VCC | Unspecified |
| 89 | V35TGND3 | Unspecified |
| 90 | ST(b) | Unspecified |
| 91 | GND | Unspecified |
| 92 | TT(a) | Unspecified |
| 93 | VCC | Unspecified |
| 94 | V35TGND2 | Unspecified |
| 95 | TT(b) | Unspecified |
| 96 | GND | Unspecified |
| 97 | SD(a) | Unspecified |
| 98 | VCC | Unspecified |
| 99 | V35TGND1 | Unspecified |
| 100 | SD(b) | Unspecified |
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<iframe src="https://pcbkit.io/embed/parts/maxlinear/SP508ECF-L" title="SP508ECF-L in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/maxlinear/SP508ECF-L.jpg" alt="SP508ECF-L" width="1200" height="900">[](https://pcbkit.io/parts/maxlinear/SP508ECF-L)Questions
Is there a KiCad symbol and footprint for the SP508ECF-L?
Yes. The symbol is EasyEDA_Cloud:SP508EEF-L and the footprint Package_QFP:LQFP-100_14x14mm_P0.5mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the SP508ECF-L?
LQFP-100(14x14), with 100 pins. Its footprint is drawn on this page.
Where is the SP508ECF-L datasheet?
MaxLinear publishes it: the Datasheet link on this page opens it.
Where can I order the SP508ECF-L?
JLCPCB lists it as part C1545529, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SP508ECF-L?
Parts like it in the library: the SP3508CF-L by MaxLinear. Check their datasheets: a part that fits the footprint may still differ in its ratings.
