
CoPicoVision
thorpej/CoPicoVision
A ColecoVision clone using a Raspberry Pi Pico and pico9918 for video

Texas Instruments
-55℃~+125℃ 1 30MHz 4 4.5V~5.5V 59ns@4.5V,50pF 74HCT Asynchronous Divide-by-2 Reset function、Cascade counter、Synchronous counting Rising Edge Synchronous Up Counter SOP-16 Counters, Dividers ROHS
The CD74HCT161M is a counters, Divider made by Texas Instruments in a SOP-16 package with 16 pins. -55℃~+125℃ 1 30MHz 4 4.5V~5.5V 59ns@4.5V,50pF 74HCT Asynchronous Divide-by-2 Reset function、Cascade counter、Synchronous counting Rising Edge Synchronous Up Counter SOP-16 Counters, Dividers ROHS.
PCBKit's library has its KiCad symbol (74xx:74LS161, from KiCad's library) and its footprint (Package_SO:SOIC-16_3.9x9.9mm_P1.27mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C2878060). 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 |

thorpej/CoPicoVision
A ColecoVision clone using a Raspberry Pi Pico and pico9918 for video
<iframe src="https://pcbkit.io/embed/parts/ti/CD74HCT161M" title="CD74HCT161M in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/ti/CD74HCT161M.jpg" alt="CD74HCT161M" width="1200" height="900">[](https://pcbkit.io/parts/ti/CD74HCT161M)Yes. The symbol is 74xx:74LS161 and the footprint Package_SO:SOIC-16_3.9x9.9mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
SOP-16, with 16 pins. Its footprint is drawn on this page.
Texas Instruments publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C2878060, with 0 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the CD4017BM96 by Texas Instruments, the HEF4060BT by Nexperia, the MC14060BD by onsemi and the CD4060BDTR(XBLW) by XBLW. 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.