6 layers160 × 100 mm
Overview
The 74AC161PC is a counters, Divider made by onsemi in a PDIP-16 package with 16 pins. -40℃~+85℃ 1 167MHz 2V~6V 4 5ns@5V,50pF 74AC Asynchronous Divide-by-2 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 C3828381). 13 open-source boards in 6 repositories on GitHub use it.
Symbol
Footprint
Parameters
9- Count Rate
- 167MHz
- Direction
- Up Counter
- Logic Type
- Binary Counter
- Number of Elements
- 1
- Operating Temperature
- -40℃~+85℃
- Reset Style
- Asynchronous
- Timing mode
- Synchronous
- Trigger Type
- Rising Edge
- Voltage - Supply
- 2V~6V
Order codes
1- 74AC161PCLCSC C3828381
Pinout
16| 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 |
Open-source boards using it
All 13- 2 layers99.9 × 99.9 mm
- 2 layers149.9 × 99.9 mm
- 2 layers233.4 × 280 mm
- 4 layers622.7 × 375.7 mm
- 4 layers131.9 × 164.6 mm
- 2 layers149.9 × 99.9 mm
Planck-6502
jfoucher/planck-6502
This is a mirror of https://gitlab.com/planck-6502/planck-6502
91 parts2 - 2 layers160 × 100 mm
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Is there a KiCad symbol and footprint for the 74AC161PC?
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.
What package is the 74AC161PC?
PDIP-16, with 16 pins. Its footprint is drawn on this page.
Where is the 74AC161PC datasheet?
onsemi publishes it: the Datasheet link on this page opens it.
Where can I order the 74AC161PC?
JLCPCB lists it as part C3828381, with 0 in stock; the sellers' links on this page open their listings.
What can replace the 74AC161PC?
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.
Which open-source boards use the 74AC161PC?
13 boards in 6 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
8
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