Overview
The LM555CMX is a timer made by onsemi in a SOIC-8 package with 8 pins. 0℃~+70℃ 1 200mA 3mA 4.5V~16V Adjustable duty cycle oscillation、Reset function、Duty cycle stabilization SOIC-8 555 Timers / Counters ROHS.
PCBKit's library has its KiCad symbol (Timer:LM555xM, from KiCad's library) and its footprint (Package_SO:SOIC-8_3.9x4.9mm_P1.27mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C9373).
Symbol
Footprint
Pinout
8| Pin | Name | Type |
|---|---|---|
| 1 | GND | Power in |
| 2 | TRIG | Input |
| 3 | OUT | Output |
| 4 | RST | Input |
| 5 | CONT | Passive |
| 6 | THRES | Input |
| 7 | DISCH | Input |
| 8 | VCC | Power in |
Parts like it
3
Questions
Is there a KiCad symbol and footprint for the LM555CMX?
Yes. The symbol is Timer:LM555xM and the footprint Package_SO:SOIC-8_3.9x4.9mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the LM555CMX?
SOIC-8, with 8 pins. Its footprint is drawn on this page.
Where is the LM555CMX datasheet?
onsemi publishes it: the Datasheet link on this page opens it.
Where can I order the LM555CMX?
JLCPCB lists it as part C9373, with 0 in stock; the sellers' links on this page open their listings.
What can replace the LM555CMX?
Parts like it in the library: the NA555S by Diodes Incorporated, the SA555S by Diodes Incorporated and the NE555S by Diodes Incorporated. Check their datasheets: a part that fits the footprint may still differ in its ratings.