
Overview
The NTE74181 is a specialty Logic made by NTE Electronics in a PDIP-24 package with 24 pins. 0℃~+70℃ 4.75V~5.25V ALU PDIP-24 Specialty Logic.
PCBKit's library has its KiCad symbol (74xx:74LS181, from KiCad's library) and its footprint (Package_DIP:DIP-24_W8.89mm_SMDSocket_LongPads, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C17347578).
Symbol
Footprint
Parameters
3- Logic Type
- ALU
- Operating Temperature
- 0℃~+70℃
- Voltage - Supply
- 4.75V~5.25V
Order codes
1- NTE74181LCSC C17347578
Pinout
24| Pin | Name | Type |
|---|---|---|
| 1 | B0 | Input |
| 2 | A0 | Input |
| 3 | S3 | Input |
| 4 | S2 | Input |
| 5 | S1 | Input |
| 6 | S0 | Input |
| 7 | Cn | Input |
| 8 | M | Input |
| 9 | F0 | Output |
| 10 | F1 | Output |
| 11 | F2 | Output |
| 12 | GND | Power in |
| 13 | F3 | Output |
| 14 | A=B | Output |
| 15 | X | Output |
| 16 | Cn+4 | Output |
| 17 | Y | Output |
| 18 | B3 | Input |
| 19 | A3 | Input |
| 20 | B2 | Input |
| 21 | A2 | Input |
| 22 | B1 | Input |
| 23 | A1 | Input |
| 24 | VCC | Power in |
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Is there a KiCad symbol and footprint for the NTE74181?
Yes. The symbol is 74xx:74LS181 and the footprint Package_DIP:DIP-24_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 NTE74181?
PDIP-24, with 24 pins. Its footprint is drawn on this page.
Where is the NTE74181 datasheet?
NTE Electronics publishes it: the Datasheet link on this page opens it.
Where can I order the NTE74181?
JLCPCB lists it as part C17347578, with 0 in stock; the sellers' links on this page open their listings.
What can replace the NTE74181?
Parts like it in the library: the XD74LS181 by XINLUDA, the 74F181SPC by onsemi, the DM93S41N by onsemi and the 74F181PC by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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