Skip to the content
PCBKitNew board
SP331ET-L, in 3D

SP331ET-L

MaxLinear

-40℃~+85℃ 235Kbps 4.75V~5.25V Transceiver SOIC-28-300mil RS232 ICs ROHS

Extended
DatasheetJLCPCBLCSCmaxlinear/SP331ET-L
Category
RS232 ICs
Package
SOIC-28-300mil
Pins
2

Overview

The SP331ET-L is a RS232 IC made by MaxLinear in a SOIC-28-300mil package with 28 pins. -40℃~+85℃ 235Kbps 4.75V~5.25V Transceiver SOIC-28-300mil RS232 ICs ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:SP331ET-L, from EasyEDA) and its footprint (Package_SO:SOIC-28W_7.5x17.9mm_P1.27mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C1544148).

Symbol

TI328TI227TI126SEL_C25SEL_A24SEL_D23RX422RX321RX220RX119RI418RI317RI216RI115V–(VSS)14C2–13C1–12C2+11V+(VDD)10C1+9GND8TX27TX16VCC5TX34TX43SEL_B2TI41
EasyEDA_Cloud:SP331ET-LFrom EasyEDA

Footprint

12345678910111213141516171819202122232425262728
Package_SO:SOIC-28W_7.5x17.9mm_P1.27mmFrom KiCad's library

Parameters

6
Data Rate
235Kbps
Driver/receiver
4/4
Operating Temperature
-40℃~+85℃
Type
Transceiver
Types
transceiver
Voltage - Supply
4.75V~5.25V

Order codes

1

Pinout

28
The pins of the SP331ET-L
PinNameType
1TI4Unspecified
2SEL_BUnspecified
3TX4Unspecified
4TX3Unspecified
5VCCUnspecified
6TX1Unspecified
7TX2Unspecified
8GNDUnspecified
9C1+Unspecified
10V+(VDD)Unspecified
11C2+Unspecified
12C1–Unspecified
13C2–Unspecified
14V–(VSS)Unspecified
15RI1Unspecified
16RI2Unspecified
17RI3Unspecified
18RI4Unspecified
19RX1Unspecified
20RX2Unspecified
21RX3Unspecified
22RX4Unspecified
23SEL_DUnspecified
24SEL_AUnspecified
25SEL_CUnspecified
26TI1Unspecified
27TI2Unspecified
28TI3Unspecified

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/maxlinear/SP331ET-L" title="SP331ET-L in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>
A picture
<img src="https://pcbkit.io/embed/parts/maxlinear/SP331ET-L.jpg" alt="SP331ET-L" width="1200" height="900">
A picture that opens the part, for a README
[![SP331ET-L](https://pcbkit.io/embed/parts/maxlinear/SP331ET-L.jpg?size=s)](https://pcbkit.io/parts/maxlinear/SP331ET-L)

Questions

Is there a KiCad symbol and footprint for the SP331ET-L?

Yes. The symbol is EasyEDA_Cloud:SP331ET-L and the footprint Package_SO:SOIC-28W_7.5x17.9mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the SP331ET-L?

SOIC-28-300mil, with 28 pins. Its footprint is drawn on this page.

Where is the SP331ET-L datasheet?

MaxLinear publishes it: the Datasheet link on this page opens it.

Where can I order the SP331ET-L?

JLCPCB lists it as part C1544148, with 0 in stock; the sellers' links on this page open their listings.

What can replace the SP331ET-L?

Parts like it in the library: the MAX211CDW by Texas Instruments, the ADM211EARZ by Analog Devices, the MAX3237EIDW by Texas Instruments and the MAX3243CDW by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8