
Overview
The SN74LS145NS is a signal Switches, Multiplexers, Decoder made by Texas Instruments in a SO-16-208mil package with 16 pins. 0℃~+70℃ 4.75V~5.25V 80mA Decoder Single Supply SO-16-208mil Signal Switches, Multiplexers, Decoders ROHS.
PCBKit's library has its KiCad symbol (74xx:74LS145, 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 C1547188).
Symbol
Footprint
Parameters
5- Current - Output Low(IOL)
- 80mA
- Operating temperature
- 0℃~+70℃
- Type
- Decoder
- Voltage - Supply
- 4.75V~5.25V
- Voltage Supply Source
- Single Supply
Order codes
1- SN74LS145NSLCSC C1547188
Pinout
16| Pin | Name | Type |
|---|---|---|
| 1 | Q0 | Open collector |
| 2 | Q1 | Open collector |
| 3 | Q2 | Open collector |
| 4 | Q3 | Open collector |
| 5 | Q4 | Open collector |
| 6 | Q5 | Open collector |
| 7 | Q6 | Open collector |
| 8 | GND | Power in |
| 9 | Q7 | Open collector |
| 10 | Q8 | Open collector |
| 11 | Q9 | Open collector |
| 12 | P3 | Input |
| 13 | P2 | Input |
| 14 | P1 | Input |
| 15 | P0 | Input |
| 16 | VCC | Power in |
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Is there a KiCad symbol and footprint for the SN74LS145NS?
Yes. The symbol is 74xx:74LS145 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 SN74LS145NS?
SO-16-208mil, with 16 pins. Its footprint is drawn on this page.
Where can I order the SN74LS145NS?
JLCPCB lists it as part C1547188, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SN74LS145NS?
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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