
Overview
The MIC74YQS is an i, O Expander made by Microchip Technology in a QSOP-16-150mil package with 16 pins. -40℃~+85℃ 100kHz 2.7V~3.6V Interrupt Output QSOP-16-150mil I/O Expanders ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:MIC74YQS, from EasyEDA) and its footprint (Package_SO:QSOP-16_3.9x4.9mm_P0.635mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C220219).
Symbol
Footprint
Parameters
5- Clock Frequency
- 100kHz
- Interrupt Output
- Interrupt Output
- Operating Temperature
- -40℃~+85℃
- Supply Voltage
- 2.7V~3.6V
- Voltage - Supply
- 2.7V~3.6V
Order codes
1- MIC74YQSLCSC C220219
Pinout
16| Pin | Name | Type |
|---|---|---|
| 1 | A0 | Unspecified |
| 2 | A1 | Unspecified |
| 3 | A2 | Unspecified |
| 4 | P0 | Unspecified |
| 5 | P1 | Unspecified |
| 6 | P2 | Unspecified |
| 7 | P3 | Unspecified |
| 8 | GND | Unspecified |
| 9 | P4(/SHDN) | Unspecified |
| 10 | P5(/FS0) | Unspecified |
| 11 | P6(/FS1) | Unspecified |
| 12 | P7(/FS2) | Unspecified |
| 13 | /ALERT | Unspecified |
| 14 | CLK | Unspecified |
| 15 | DATA | Unspecified |
| 16 | VDD | Unspecified |
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Is there a KiCad symbol and footprint for the MIC74YQS?
Yes. The symbol is EasyEDA_Cloud:MIC74YQS and the footprint Package_SO:QSOP-16_3.9x4.9mm_P0.635mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the MIC74YQS?
QSOP-16-150mil, with 16 pins. Its footprint is drawn on this page.
Where is the MIC74YQS datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the MIC74YQS?
JLCPCB lists it as part C220219, with 0 in stock; the sellers' links on this page open their listings.
What can replace the MIC74YQS?
Parts like it in the library: the PCF8574ARGY by Texas Instruments, the PCF8574ADGV by Texas Instruments, the PCF8574ADWE4 by Texas Instruments and the PCF8574DWRE4 by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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