Overview
The MM74HC181WM is a specialty Logic made by Texas Instruments in a SSOP-24 package with 24 pins. -40℃~+85℃ 16 2V~6V ALU SSOP-24 Specialty Logic.
PCBKit's library has its KiCad symbol (74xx:74LS181, from KiCad's library) and its footprint (Package_SO:SSOP-24_5.3x8.2mm_P0.65mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C17539678).
Symbol
Footprint
Parameters
4- Logic Type
- ALU
- Number of Channels
- 16
- Operating Temperature
- -40℃~+85℃
- Voltage - Supply
- 2V~6V
Order codes
1- MM74HC181WMLCSC C17539678
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 MM74HC181WM?
Yes. The symbol is 74xx:74LS181 and the footprint Package_SO:SSOP-24_5.3x8.2mm_P0.65mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the MM74HC181WM?
SSOP-24, with 24 pins. Its footprint is drawn on this page.
Where is the MM74HC181WM datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the MM74HC181WM?
JLCPCB lists it as part C17539678, with 0 in stock; the sellers' links on this page open their listings.
What can replace the MM74HC181WM?
Parts like it in the library: the TC74LVXC3245FS by Toshiba. Check their datasheets: a part that fits the footprint may still differ in its ratings.
