Overview
The XR88C681J-F is an UART made by MaxLinear in a PLCC-44(16.59x16.59) package with 44 pins. 1Mbps 2 3Byte 5V Timer/Counter、Internal Oscillator PLCC-44(16.59x16.59) UART ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:XR88C681CJTR-F, from EasyEDA) and its footprint (EasyEDA_Cloud:PLCC-44_L16.6-W16.6-P1.27-LS17.5-T, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C1523673).
Symbol
Footprint
Pinout
44| Pin | Name | Type |
|---|---|---|
| 1 | NC | Unspecified |
| 2 | A0 | Unspecified |
| 3 | IP3 | Unspecified |
| 4 | A1 | Unspecified |
| 5 | IP1 | Unspecified |
| 6 | A2 | Unspecified |
| 7 | A3 | Unspecified |
| 8 | IP0 | Unspecified |
| 9 | -WR | Unspecified |
| 10 | -RD | Unspecified |
| 11 | RXDB | Unspecified |
| 12 | NC | Unspecified |
| 13 | TXDB | Unspecified |
| 14 | OP1 | Unspecified |
| 15 | OP3 | Unspecified |
| 16 | OP5 | Unspecified |
| 17 | OP7 | Unspecified |
| 18 | D1 | Unspecified |
| 19 | D3 | Unspecified |
| 20 | D5 | Unspecified |
| 21 | D7 | Unspecified |
| 22 | GND | Unspecified |
| 23 | NC | Unspecified |
| 24 | -INTR | Unspecified |
| 25 | D6 | Unspecified |
| 26 | D4 | Unspecified |
| 27 | D2 | Unspecified |
| 28 | D0 | Unspecified |
| 29 | OP6 | Unspecified |
| 30 | OP4 | Unspecified |
| 31 | OP2 | Unspecified |
| 32 | OP0 | Unspecified |
| 33 | TXDA | Unspecified |
| 34 | NC | Unspecified |
| 35 | RXDA | Unspecified |
| 36 | X1/CLK | Unspecified |
| 37 | X2 | Unspecified |
| 38 | -RESET | Unspecified |
| 39 | CS | Unspecified |
| 40 | IP2 | Unspecified |
| 41 | -IP6/IACK | Unspecified |
| 42 | IP5/IEO | Unspecified |
| 43 | IP4/IEI | Unspecified |
| 44 | Vcc | Unspecified |
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Questions
Is there a KiCad symbol and footprint for the XR88C681J-F?
Yes. The symbol is EasyEDA_Cloud:XR88C681CJTR-F and the footprint EasyEDA_Cloud:PLCC-44_L16.6-W16.6-P1.27-LS17.5-T, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the XR88C681J-F?
PLCC-44(16.59x16.59), with 44 pins. Its footprint is drawn on this page.
Where is the XR88C681J-F datasheet?
MaxLinear publishes it: the Datasheet link on this page opens it.
Where can I order the XR88C681J-F?
JLCPCB lists it as part C1523673, with 0 in stock; the sellers' links on this page open their listings.
What can replace the XR88C681J-F?
Parts like it in the library: the ST16C2550IJ44-F by MaxLinear, the ST16C550CJ44-F by MaxLinear, the ST16C550CJ44TR-F by MaxLinear and the ST16C550IJ44-F by MaxLinear. Check their datasheets: a part that fits the footprint may still differ in its ratings.