
Overview
The SN74HC682DW is a digital Comparator made by Texas Instruments in a SOIC-20 package with 20 pins. -40℃~+85℃ 2V~6V 47ns@6V,50pF 5.2mA 5.2mA 8 A=B,A>B Active Low SOIC-20 Digital Comparators ROHS.
PCBKit's library has its KiCad symbol (Standard Logic:74682, from CERN's library) and its footprint (Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm, from KiCad's library), ready for a KiCad board. 10 are in stock at JLCPCB (part C2860136).
Symbol
Footprint
Parameters
8- Current - Output High(IOH)
- 5.2mA
- Current - Output Low(IOL)
- 5.2mA
- Number of Channels
- 8
- Operating Temperature
- -40℃~+85℃
- Output
- Active Low
- Output Function
- A=B,A>B
- Propagation Delay
- 47ns@6V,50pF
- Voltage - Supply
- 2V~6V
Order codes
2- SN74HC682DWLCSC C1523706
- SN74HC682DWRLCSC C2860136
Pinout
20| Pin | Name | Type |
|---|---|---|
| 1 | P>Q | Output |
| 2 | P0 | Input |
| 3 | Q0 | Input |
| 4 | P1 | Input |
| 5 | Q1 | Input |
| 6 | P2 | Input |
| 7 | Q2 | Input |
| 8 | P3 | Input |
| 9 | Q3 | Input |
| 10 | GND | Power in |
| 11 | P4 | Input |
| 12 | Q4 | Input |
| 13 | P5 | Input |
| 14 | Q5 | Input |
| 15 | P6 | Input |
| 16 | Q6 | Input |
| 17 | P7 | Input |
| 18 | Q7 | Input |
| 19 | P=Q | Output |
| 20 | VCC | Power in |
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Is there a KiCad symbol and footprint for the SN74HC682DW?
Yes. The symbol is Standard Logic:74682 and the footprint Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the SN74HC682DW?
SOIC-20, with 20 pins. Its footprint is drawn on this page.
Where is the SN74HC682DW datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the SN74HC682DW?
JLCPCB lists it as part C2860136, with 10 in stock; the sellers' links on this page open their listings.
What can replace the SN74HC682DW?
Parts like it in the library: the SN74F521DW by Texas Instruments, the CD74HCT688M96 by Texas Instruments, the CD74HC688M96 by Texas Instruments and the CD74HC688NS by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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