SN74LS390NS
Texas InstrumentsExtended
143mW 2 50MHz 65ns@5V,50pF 74LS Asynchronous Asynchronous Decade Counter Falling Edge Programmable divide ratio、Reset function - Counters, Dividers ROHS
- Part id
- ti/SN74LS390NS
- Category
- Counters, Dividers
- Pins
- 16
- In stock
- 0 at JLCPCB (C5924796)
Overview
The SN74LS390NS is a counters, Divider made by Texas Instruments with 16 pins. 143mW 2 50MHz 65ns@5V,50pF 74LS Asynchronous Asynchronous Decade Counter Falling Edge Programmable divide ratio、Reset function - Counters, Dividers ROHS.
PCBKit's library has its KiCad symbol (74xx_IEEE:74LS390, from KiCad's library) 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 C5924796).
Symbol
Footprint
Pinout
16| Pin | Name | Type |
|---|---|---|
| 1 | CK0 | Input |
| 2 | CLR | Input |
| 3 | Q0 | Output |
| 4 | Ck1 | Input |
| 5 | Q1 | Output |
| 6 | Q2 | Output |
| 7 | Q3 | Output |
| 8 | GND | Power in |
| 9 | Q3 | Output |
| 10 | Q2 | Output |
| 11 | Q1 | Output |
| 12 | Ck1 | Input |
| 13 | Q0 | Output |
| 14 | CLR | Input |
| 15 | CK0 | Input |
| 16 | VCC | Power in |
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Questions
Is there a KiCad symbol and footprint for the SN74LS390NS?
Yes. The symbol is 74xx_IEEE:74LS390 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 is the SN74LS390NS datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the SN74LS390NS?
JLCPCB lists it as part C5924796, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SN74LS390NS?
Parts like it in the library: the MC74HC4040AFR2 by onsemi, the CD40103BNSRG4 by Texas Instruments, the 74AC161SJ by onsemi and the 74AC161SJX by onsemi. Check their datasheets: a part that fits the footprint may still differ in its ratings.