Overview
The CD74HC390EX is a counters, Divider made by Texas Instruments in a PDIP-16 package with 16 pins. -55℃~+125℃ 2 2V~6V Falling Edge PDIP-16 Counters, Dividers.
PCBKit's library has its KiCad symbol (74xx:74LS390, from KiCad's library) and its footprint (Package_DIP:DIP-16_W8.89mm_SMDSocket_LongPads, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C6529193).
Symbol
Footprint
Parameters
4- Number of Elements
- 2
- Operating Temperature
- -55℃~+125℃
- Trigger Type
- Falling Edge
- Voltage - Supply
- 2V~6V
Order codes
1- CD74HC390EXLCSC C6529193
Pinout
16| Pin | Name | Type |
|---|---|---|
| 1 | CP0 | Input |
| 2 | MR | Input |
| 3 | Q0 | Output |
| 4 | CP1 | Input |
| 5 | Q1 | Output |
| 6 | Q2 | Output |
| 7 | Q3 | Output |
| 8 | GND | Power in |
| 9 | Q3 | Output |
| 10 | Q2 | Output |
| 11 | Q1 | Output |
| 12 | CP1 | Input |
| 13 | Q0 | Output |
| 14 | MR | Input |
| 15 | CP0 | Input |
| 16 | VCC | Power in |
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Is there a KiCad symbol and footprint for the CD74HC390EX?
Yes. The symbol is 74xx:74LS390 and the footprint Package_DIP:DIP-16_W8.89mm_SMDSocket_LongPads, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the CD74HC390EX?
PDIP-16, with 16 pins. Its footprint is drawn on this page.
Where is the CD74HC390EX datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the CD74HC390EX?
JLCPCB lists it as part C6529193, with 0 in stock; the sellers' links on this page open their listings.
What can replace the CD74HC390EX?
Parts like it in the library: the CD4017BED by GREENMICRO, the CD4017CN by HGSEMI, the CD4518BE by HGSEMI and the CD4520BE by HGSEMI. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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