
ACT161 Frequency Divider
IlyaBOT/Logic-Analyzer-Clock-Divider
Clock frequency divider for a logic analyzer made at 74ACT161E IC

Texas Instruments
-55℃~+125℃ 1 4 4.5V~5.5V 74ACT 80MHz Asynchronous Divide-by-2 Programmable divide ratio、Reset function、Cascade counter、Synchronous counting Rising Edge Synchronous Up Counter PDIP-16 Counters, Dividers ROHS
The CD74ACT161E is a counters, Divider made by Texas Instruments in a PDIP-16 package with 16 pins. -55℃~+125℃ 1 4 4.5V~5.5V 74ACT 80MHz Asynchronous Divide-by-2 Programmable divide ratio、Reset function、Cascade counter、Synchronous counting Rising Edge Synchronous Up Counter PDIP-16 Counters, Dividers ROHS.
PCBKit's library has its KiCad symbol (74xx:74LS161, from KiCad's library) and its footprint (Package_DIP:DIP-16_W8.89mm_SMDSocket_LongPads, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C1523325). 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 |

IlyaBOT/Logic-Analyzer-Clock-Divider
Clock frequency divider for a logic analyzer made at 74ACT161E IC
<iframe src="https://pcbkit.io/embed/parts/ti/CD74ACT161E" title="CD74ACT161E 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/CD74ACT161E.jpg" alt="CD74ACT161E" width="1200" height="900">[](https://pcbkit.io/parts/ti/CD74ACT161E)Yes. The symbol is 74xx:74LS161 and the footprint Package_DIP:DIP-16_W8.89mm_SMDSocket_LongPads, both drawn on this page. PCBKit places them on a board for you when you design with it.
PDIP-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 C1523325, with 0 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the CD4017BED by GREENMICRO, the CD4017CN by HGSEMI, the CD4518BE by HGSEMI and the CD4520BE by HGSEMI. 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.