Overview
The SP3508CF-L is a RS 485 , RS 422 IC made by MaxLinear in a LQFP-100(14x14) package with 100 pins. 0℃~+70℃ 20Mbps 3V~3.6V LQFP-100(14x14) RS-485 / RS-422 ICs ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:SP3508CF-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 C1544987).
Symbol
Footprint
Parameters
4- Data Rate
- 20Mbps
- Features
- Enable shutdown, Tx/Rx enable, Internal termination resistor
- Operating Temperature
- 0℃~+70℃
- Voltage - Supply
- 3V~3.6V
Order codes
1- SP3508CF-LLCSC C1544987
Pinout
100| Pin | Name | Type |
|---|---|---|
| 1 | GND | Unspecified |
| 2 | SDEN | Unspecified |
| 3 | TTEN | Unspecified |
| 4 | STEN | Unspecified |
| 5 | RSEN | Unspecified |
| 6 | TREN | Unspecified |
| 7 | RRCEN | Unspecified |
| 8 | RLEN | Unspecified |
| 9 | LLEN# | Unspecified |
| 10 | RDEN# | Unspecified |
| 11 | RTEN# | Unspecified |
| 12 | TxCEN# | Unspecified |
| 13 | CSEN# | Unspecified |
| 14 | DMEN# | Unspecified |
| 15 | RRTEN# | Unspecified |
| 16 | ICEN# | Unspecified |
| 17 | TMEN | Unspecified |
| 18 | D0 | Unspecified |
| 19 | D1 | Unspecified |
| 20 | D2 | Unspecified |
| 21 | D_LATCH# | Unspecified |
| 22 | TERM_OFF | Unspecified |
| 23 | VCC | Unspecified |
| 24 | C3P | Unspecified |
| 25 | GND | Unspecified |
| 26 | C3N | Unspecified |
| 27 | VSS2 | Unspecified |
| 28 | AGND | Unspecified |
| 29 | AVCC | Unspecified |
| 30 | LOOPBACK# | Unspecified |
| 31 | TxD | Unspecified |
| 32 | TxCE | Unspecified |
| 33 | ST | Unspecified |
| 34 | RTS | Unspecified |
| 35 | DTR | Unspecified |
| 36 | DCD_DCE | Unspecified |
| 37 | RL | Unspecified |
| 38 | LL | Unspecified |
| 39 | RxD | Unspecified |
| 40 | RxC | Unspecified |
| 41 | TxC | Unspecified |
| 42 | CTS | Unspecified |
| 43 | DSR | Unspecified |
| 44 | DCD_DTE | Unspecified |
| 45 | RI | Unspecified |
| 46 | TM | Unspecified |
| 47 | GND | Unspecified |
| 48 | VCC | Unspecified |
| 49 | RD(B) | Unspecified |
| 50 | RD(A) | Unspecified |
| 51 | RT(B) | Unspecified |
| 52 | RT(A) | Unspecified |
| 53 | TxC(B) | Unspecified |
| 54 | GND | Unspecified |
| 55 | TxC(A) | Unspecified |
| 56 | CS(B) | Unspecified |
| 57 | CS(A) | Unspecified |
| 58 | DM(B) | Unspecified |
| 59 | DM(A) | Unspecified |
| 60 | GNDV10 | Unspecified |
| 61 | RRT(B) | Unspecified |
| 62 | RRT(A) | Unspecified |
| 63 | IC | Unspecified |
| 64 | TM(A) | Unspecified |
| 65 | LL(A) | Unspecified |
| 66 | VCC | Unspecified |
| 67 | RL(A) | Unspecified |
| 68 | VSS1 | Unspecified |
| 69 | C2N | Unspecified |
| 70 | C1N | Unspecified |
| 71 | GND | Unspecified |
| 72 | C2P | Unspecified |
| 73 | VCC | Unspecified |
| 74 | C1P | Unspecified |
| 75 | GND | Unspecified |
| 76 | VDD | Unspecified |
| 77 | RRC(B) | Unspecified |
| 78 | VCC | Unspecified |
| 79 | RRC(A) | Unspecified |
| 80 | GND | Unspecified |
| 81 | RS(A) | Unspecified |
| 82 | VCC | Unspecified |
| 83 | RS(B) | Unspecified |
| 84 | GND | Unspecified |
| 85 | TR(A) | Unspecified |
| 86 | VCC | Unspecified |
| 87 | TR(B) | Unspecified |
| 88 | GND | Unspecified |
| 89 | ST(A) | Unspecified |
| 90 | VCC | Unspecified |
| 91 | ST(B) | Unspecified |
| 92 | GND | Unspecified |
| 93 | TT(A) | Unspecified |
| 94 | VCC | Unspecified |
| 95 | TT(B) | Unspecified |
| 96 | GND | Unspecified |
| 97 | SD(A) | Unspecified |
| 98 | VCC | Unspecified |
| 99 | SD(B) | Unspecified |
| 100 | VCC | Unspecified |
Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/maxlinear/SP3508CF-L" title="SP3508CF-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/SP3508CF-L.jpg" alt="SP3508CF-L" width="1200" height="900">[](https://pcbkit.io/parts/maxlinear/SP3508CF-L)Questions
Is there a KiCad symbol and footprint for the SP3508CF-L?
Yes. The symbol is EasyEDA_Cloud:SP3508CF-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 SP3508CF-L?
LQFP-100(14x14), with 100 pins. Its footprint is drawn on this page.
Where is the SP3508CF-L datasheet?
MaxLinear publishes it: the Datasheet link on this page opens it.
Where can I order the SP3508CF-L?
JLCPCB lists it as part C1544987, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SP3508CF-L?
Parts like it in the library: the SP508ECF-L by MaxLinear. Check their datasheets: a part that fits the footprint may still differ in its ratings.
