CD74HC688NS
Texas InstrumentsExtended
-55℃~+125℃ 29ns@6V,50pF 2V~6V 5.2mA 5.2mA 8 8uA A=B Active Low SO-20 Digital Comparators ROHS
- Part id
- ti/CD74HC688NS
- Category
- Digital Comparators
- Package
- SO-20
- Pins
- 20
- In stock
- 33 at JLCPCB (C2860215)
Overview
The CD74HC688NS is a digital Comparator made by Texas Instruments in a SO-20 package with 20 pins. -55℃~+125℃ 29ns@6V,50pF 2V~6V 5.2mA 5.2mA 8 8uA A=B Active Low SO-20 Digital Comparators ROHS.
PCBKit's library has its KiCad symbol (74xx:74HC688, from KiCad's library) and its footprint (Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm, from KiCad's library), ready for a KiCad board. 33 are in stock at JLCPCB (part C2860215).
Symbol
Footprint
Pinout
20| Pin | Name | Type |
|---|---|---|
| 1 | G | Input |
| 2 | P0 | Input |
| 3 | R0 | Input |
| 4 | P1 | Input |
| 5 | R1 | Input |
| 6 | P2 | Input |
| 7 | R2 | Input |
| 8 | P3 | Input |
| 9 | R3 | Input |
| 10 | GND | Power in |
| 11 | P4 | Input |
| 12 | R4 | Input |
| 13 | P5 | Input |
| 14 | R5 | Input |
| 15 | P6 | Input |
| 16 | R6 | Input |
| 17 | P7 | Input |
| 18 | R7 | Input |
| 19 | P=R | Output |
| 20 | VCC | Power in |
Parts like it
8
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Questions
Is there a KiCad symbol and footprint for the CD74HC688NS?
Yes. The symbol is 74xx:74HC688 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 CD74HC688NS?
SO-20, with 20 pins. Its footprint is drawn on this page.
Where is the CD74HC688NS datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the CD74HC688NS?
JLCPCB lists it as part C2860215, with 33 in stock; the sellers' links on this page open their listings.
What can replace the CD74HC688NS?
Parts like it in the library: the SN74F521DW by Texas Instruments, the CD74HCT688M96 by Texas Instruments, the CD74HC688M96 by Texas Instruments and the SN74LS688NS by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.