The 74ACT161 is a counters, Divider made by onsemi in a SOIC-16 package with 16 pins. -40℃~+85℃ 125MHz 4.5V~5.5V 6ns@5V,50pF 74ACT Asynchronous Binary Counter Reset function、Cascade counter、Synchronous counting Rising Edge Synchronous Up Counter SOIC-16 Counters, Dividers ROHS.
PCBKit's library has its KiCad symbol (74xx:74LS161, from KiCad's library) and its footprint (Package_SO:SO-16_3.9x9.9mm_P1.27mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C3827865). 1 open-source board in 1 repository on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | MR | Input |
| 2 | CP | Input |
| 3 | D0 | Input |
| 4 | D1 | Input |
| 5 | D2 | Input |
| 6 | D3 | Input |
| 7 | CEP | Input |
| 8 | GND | Power in |
| 9 | PE | Input |
| 10 | CET | Input |
| 11 | Q3 | Output |
| 12 | Q2 | Output |
| 13 | Q1 | Output |
| 14 | Q0 | Output |
| 15 | TC | Output |
| 16 | VCC | Power in |
GeraKuznetsov/M68K-MBC
A M68k Multi-Board Computer design. The design basics is as follows: 1) A backplane PCB contains the majority of the bus, such as the address and data lines. 2) Cards slot into the backplane.
<iframe src="https://pcbkit.io/embed/parts/onsemi/74ACT161" title="74ACT161 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/onsemi/74ACT161.jpg" alt="74ACT161" width="1200" height="900">[](https://pcbkit.io/parts/onsemi/74ACT161)Yes. The symbol is 74xx:74LS161 and the footprint Package_SO:SO-16_3.9x9.9mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
SOIC-16, with 16 pins. Its footprint is drawn on this page.
JLCPCB lists it as part C3827865, with 0 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the 74HC4017D-Q100J by Nexperia, the CD4020AM/TR-HG by HGSEMI, the CD4022BM(LX) by lingxingic and the AIP74HC163SA16.TR by Wuxi I-core Elec. Check their datasheets: a part that fits the footprint may still differ in its ratings.
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.
