

Overview
The SY89840UMG is a signal Switches, Multiplexers, Decoder made by Microchip Technology in a QFN-16(3x3) package with 17 pins. -40℃~+85℃ 2.375V~2.625V、3V~3.6V 600ps、625ps 65mA Break-before-make function Single Supply QFN-16(3x3) Signal Switches, Multiplexers, Decoders ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:SY89840UMG, from EasyEDA) and its footprint (EasyEDA_Cloud:MLF-16_L3.0-W3.0-P0.50-TL-EP1.6, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C631877). 1 open-source board in 1 repository on GitHub use it.
Symbol
Footprint
Parameters
6- Function
- Break-before-make function
- Operating temperature
- -40℃~+85℃
- Propagation Delay
- 600ps, 625ps
- Quiescent Current
- 65mA
- Voltage - Supply
- 3V~3.6V, 2.375V~2.625V
- Voltage Supply Source
- Single Supply
Order codes
1- SY89840UMGLCSC C631877
Pinout
17| Pin | Name | Type |
|---|---|---|
| 1 | IN0# | Unspecified |
| 2 | VREF-AC0 | Unspecified |
| 3 | VT0 | Unspecified |
| 4 | IN0 | Unspecified |
| 5 | VCC | Unspecified |
| 6 | Q | Unspecified |
| 7 | Q# | Unspecified |
| 8 | VCC | Unspecified |
| 9 | GND | Unspecified |
| 10 | SEL | Unspecified |
| 11 | CAP | Unspecified |
| 12 | VCC | Unspecified |
| 13 | IN1# | Unspecified |
| 14 | VREF-AC1 | Unspecified |
| 15 | VT1 | Unspecified |
| 16 | IN1 | Unspecified |
| 17 | EP | Unspecified |
Open-source boards using it
All 1- 4 layers

Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/microchip/SY89840UMG" title="SY89840UMG in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/microchip/SY89840UMG.jpg" alt="SY89840UMG" width="1200" height="900">[](https://pcbkit.io/parts/microchip/SY89840UMG)Questions
Is there a KiCad symbol and footprint for the SY89840UMG?
Yes. The symbol is EasyEDA_Cloud:SY89840UMG and the footprint EasyEDA_Cloud:MLF-16_L3.0-W3.0-P0.50-TL-EP1.6, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the SY89840UMG?
QFN-16(3x3), with 17 pins. Its footprint is drawn on this page.
Where is the SY89840UMG datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the SY89840UMG?
JLCPCB lists it as part C631877, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SY89840UMG?
Parts like it in the library: the SY54023ARMG by Microchip Technology, the SY58017UMG-TR by Microchip Technology, the SY58019UMG by Microchip Technology and the SY58023UMG-TR by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the SY89840UMG?
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
6SY54023ARMG
MLF-16-40℃~+85℃ 2.375V~2.625V 210ps Single Supply MLF-16 Signal Switches, Multiplexers, Decoders ROHSMicrochip TechnologySignal Switches, Multiplexers, DecodersSY58017UMG-TR
MLF-16-40℃~+85℃ 160ps 2.375V~2.625V、3V~3.6V Single Supply MLF-16 Signal Switches, Multiplexers, Decoders ROHSMicrochip TechnologySignal Switches, Multiplexers, DecodersSY58019UMG
MLF-16-40℃~+85℃ 160ps 2.375V~2.625V、3V~3.6V 55mA Single Supply MLF-16 Signal Switches, Multiplexers, Decoders ROHSMicrochip TechnologySignal Switches, Multiplexers, DecodersSY58023UMG-TR
MLF-16-40℃~+85℃ 2.375V~2.625V、3V~3.6V 285ps Single Supply MLF-16 Signal Switches, Multiplexers, Decoders ROHSMicrochip TechnologySignal Switches, Multiplexers, DecodersSY89841UMG
MLF-16-40℃~+85℃ 2.375V~2.625V 575ps Break-before-make function Single Supply MLF-16 Signal Switches, Multiplexers, Decoders ROHSMicrochip TechnologySignal Switches, Multiplexers, DecodersSY58018UMG-TR
QFN-16(3x3)-40℃~+85℃ 2.375V~2.625V、3V~3.6V 2/1 50mA Single Supply QFN-16(3x3) Signal Switches, Multiplexers, Decoders ROHSMicrochip TechnologySignal Switches, Multiplexers, Decoders