SR9900A

CoreChips

0℃~+70℃ 10BASE-T、100BASE-TX、100BASE-FX 3.3V、5V SPI Yes QFN-24-EP(4x4) USB Converters ROHS

Extended

Datasheetcorechips/SR9900A

Category: Ethernet Controllers
Package: QFN-24-EP(4x4)
Pins: 25

Overview

The SR9900A is an ethernet Controller made by CoreChips in a QFN-24-EP(4x4) package with 25 pins. 0℃~+70℃ 10BASE-T、100BASE-TX、100BASE-FX 3.3V、5V SPI Yes QFN-24-EP(4x4) USB Converters ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Pro:SR9900A, from EasyEDA Pro) and its footprint (EasyEDA_Pro:qfn-24_l4.0-w4.0-p0.50-bl-ep2.8, from EasyEDA Pro), ready for a KiCad board. 4,211 are in stock at JLCPCB (part C22371375).

Symbol

EasyEDA_Pro:SR9900AFrom EasyEDA Pro

Footprint

EasyEDA_Pro:qfn-24_l4.0-w4.0-p0.50-bl-ep2.8From EasyEDA Pro

Parameters

Applications Function: USB to Ethernet
Communication Interface: SPI
Current - Supply: 75mA
Data Rate: 100Mbps
Ethernet Speed Standards: 10BASE-T, 100BASE-TX, 100BASE-FX
Features: Wake-up function, Power-on reset, Programmable LED indication, Low-power mode, Support multicast filtering, Support optical fiber, SupportIEEE1588, Support VLAN filtering, SupportTSN, Programmable packet filter
Integrated PHY: Yes
Operating Temperature: 0℃~+70℃
USB Protocol: USB 2.0
Voltage - Supply: 3.14V~3.46V

Order codes

SR9900ALCSC C22371375
SR9900ALCSC C521278

Pinout

The pins of the SR9900A
Pin	Name	Type
1	AVDD33	Unspecified
2	MDI+[0]	Unspecified
3	MDI-[0]	Unspecified
4	MDI+[1]	Unspecified
5	MDI-[1]	Unspecified
6	U2GND	Unspecified
7	U2DM	Unspecified
8	U2DP	Unspecified
9	DVDD12	Unspecified
10	AVDD33	Unspecified
11	VDD5	Unspecified
12	DVDD12_UPS	Unspecified
13	DVDD33	Unspecified
14	GPIO	Unspecified
15	LED0/SPICSB	Unspecified
16	DVDD12	Unspecified
17	LED1/SPISCK	Unspecified
18	SPISDI	Unspecified
19	LANWAKEB	Unspecified
20	SPISDO	Unspecified
21	XTAL1	Unspecified
22	XTAL2	Unspecified
23	AVDD12	Unspecified
24	RSET	Unspecified
25	EP	Unspecified

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A live frame, for any web page

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A picture

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A picture that opens the part, for a README

[![SR9900A](https://pcbkit.io/embed/parts/corechips/SR9900A.jpg?size=s)](https://pcbkit.io/parts/corechips/SR9900A)

Questions

Is there a KiCad symbol and footprint for the SR9900A?

Yes. The symbol is EasyEDA_Pro:SR9900A and the footprint EasyEDA_Pro:qfn-24_l4.0-w4.0-p0.50-bl-ep2.8, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the SR9900A?

QFN-24-EP(4x4), with 25 pins. Its footprint is drawn on this page.

Where is the SR9900A datasheet?

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

Where can I order the SR9900A?

JLCPCB lists it as part C22371375, with 4,211 in stock; the sellers' links on this page open their listings.