Overview
The SN74ALS138ANS is a signal Switches, Multiplexers, Decoder made by Texas Instruments in a SO-16-208mil package with 16 pins. 0℃~+70℃ 4.5V~5.5V 400uA 8mA Single Supply SO-16-208mil Signal Switches, Multiplexers, Decoders ROHS.
PCBKit's library has its KiCad symbol (74xx:74HC138, from KiCad's library) and its footprint (EasyEDA_Cloud:SO-16_L10.2-W5.3-P1.27-LS7.8-BL-1, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C1547189).
Symbol
Footprint
Parameters
6- Current - Output High(IOH)
- 400uA
- Current - Output Low(IOL)
- 8mA
- Operating temperature
- 0℃~+70℃
- Type
- Decoder/Demultiplexers
- Voltage - Supply
- 4.5V~5.5V
- Voltage Supply Source
- Single Supply
Order codes
1- SN74ALS138ANSLCSC C1547189
Pinout
16| Pin | Name | Type |
|---|---|---|
| 1 | A0 | Input |
| 2 | A1 | Input |
| 3 | A2 | Input |
| 4 | E0 | Input |
| 5 | E1 | Input |
| 6 | E2 | Input |
| 7 | Y7 | Output |
| 8 | GND | Power in |
| 9 | Y6 | Output |
| 10 | Y5 | Output |
| 11 | Y4 | Output |
| 12 | Y3 | Output |
| 13 | Y2 | Output |
| 14 | Y1 | Output |
| 15 | Y0 | Output |
| 16 | VCC | Power in |
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Is there a KiCad symbol and footprint for the SN74ALS138ANS?
Yes. The symbol is 74xx:74HC138 and the footprint EasyEDA_Cloud:SO-16_L10.2-W5.3-P1.27-LS7.8-BL-1, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the SN74ALS138ANS?
SO-16-208mil, with 16 pins. Its footprint is drawn on this page.
Where can I order the SN74ALS138ANS?
JLCPCB lists it as part C1547189, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SN74ALS138ANS?
Parts like it in the library: the SN74LS251NSR by Texas Instruments, the SN74HC157NSR by Texas Instruments, the CD4028BNSR by Texas Instruments and the CD4543BNSR by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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