SN74AS138NS
Texas InstrumentsExtended
- Part id
- ti/SN74AS138NS
- Category
- Signal Switches, Multiplexers, Decoders
- Pins
- 16
- In stock
- 0 at JLCPCB (C5755787)
Overview
The SN74AS138NS is a signal Switches, Multiplexers, Decoder made by Texas Instruments with 16 pins.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:SN74AHCT138PWE4, from EasyEDA) and its footprint (EasyEDA_Cloud:SOIC-16_L10.2-W5.3-P1.27-LS7.8-BL, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C5755787).
Symbol
Footprint
Pinout
16| Pin | Name | Type |
|---|---|---|
| 1 | A | Unspecified |
| 2 | B | Unspecified |
| 3 | C | Unspecified |
| 4 | G2A# | Unspecified |
| 5 | G2B# | Unspecified |
| 6 | G1 | Unspecified |
| 7 | Y7 | Unspecified |
| 8 | GND | Unspecified |
| 9 | Y6 | Unspecified |
| 10 | Y5 | Unspecified |
| 11 | Y4 | Unspecified |
| 12 | Y3 | Unspecified |
| 13 | Y2 | Unspecified |
| 14 | Y1 | Unspecified |
| 15 | Y0 | Unspecified |
| 16 | VCC | Unspecified |
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Questions
Is there a KiCad symbol and footprint for the SN74AS138NS?
Yes. The symbol is EasyEDA_Cloud:SN74AHCT138PWE4 and the footprint EasyEDA_Cloud:SOIC-16_L10.2-W5.3-P1.27-LS7.8-BL, both drawn on this page. PCBKit places them on a board for you when you design with it.
Where can I order the SN74AS138NS?
JLCPCB lists it as part C5755787, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SN74AS138NS?
Parts like it in the library: the SN74AHC138NSR by Texas Instruments, the SN74LS145NSR by Texas Instruments, the SN74LS155ANS by Texas Instruments and the SN74ALS157ANS by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.