Overview
The CD74HC4020EX is a counters, Divider made by Texas Instruments in a PDIP-16 package with 16 pins. -55℃~+125℃ 1 2V~6V 74HC Falling Edge PDIP-16 Counters, Dividers.
PCBKit's library has its KiCad symbol (4xxx:4020, 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 C3828388).
Symbol
Footprint
Parameters
9- Count Rate
- 35MHz
- Direction
- 向上计数器
- Logic Type
- Binary Counter
- Number of Bits per Element
- 14
- Number of Elements
- 1
- Operating Temperature
- -55℃~+125℃
- Reset Style
- 异步
- Trigger Type
- 负边沿
- Voltage - Supply
- 2V~6V
Order codes
1- CD74HC4020EXLCSC C3828388
Pinout
16| Pin | Name | Type |
|---|---|---|
| 1 | Q11 | Output |
| 2 | Q12 | Output |
| 3 | Q13 | Output |
| 4 | Q5 | Output |
| 5 | Q4 | Output |
| 6 | Q6 | Output |
| 7 | Q3 | Output |
| 8 | VSS | Power in |
| 9 | Q0 | Output |
| 10 | CLK | Input |
| 11 | Reset | Input |
| 12 | Q8 | Output |
| 13 | Q7 | Output |
| 14 | Q9 | Output |
| 15 | Q10 | Output |
| 16 | VDD | Power in |
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Is there a KiCad symbol and footprint for the CD74HC4020EX?
Yes. The symbol is 4xxx:4020 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 CD74HC4020EX?
PDIP-16, with 16 pins. Its footprint is drawn on this page.
Where is the CD74HC4020EX datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the CD74HC4020EX?
JLCPCB lists it as part C3828388, with 0 in stock; the sellers' links on this page open their listings.
What can replace the CD74HC4020EX?
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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