SN74AS161N
Texas InstrumentsExtended
0℃~+70℃ 1 4.5V~5.5V 40MHz Asynchronous Divide-by-2 Rising Edge Synchronous Up Counter PDIP-16 Counters, Dividers ROHS
- Part id
- ti/SN74AS161N
- Category
- Counters, Dividers
- Package
- PDIP-16
- Pins
- 16
- In stock
- 5 at JLCPCB (C1548041)
Overview
The SN74AS161N is a counters, Divider made by Texas Instruments in a PDIP-16 package with 16 pins. 0℃~+70℃ 1 4.5V~5.5V 40MHz Asynchronous Divide-by-2 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. 5 are in stock at JLCPCB (part C1548041).
Symbol
Footprint
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 |
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Questions
Is there a KiCad symbol and footprint for the SN74AS161N?
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 SN74AS161N?
PDIP-16, with 16 pins. Its footprint is drawn on this page.
Where is the SN74AS161N datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the SN74AS161N?
JLCPCB lists it as part C1548041, with 5 in stock; the sellers' links on this page open their listings.
What can replace the SN74AS161N?
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.