SN74HC688DB
Texas InstrumentsExtended
-40℃~+85℃ 2V~6V 36ns@6V,50pF 5.2mA 5.2mA 8 8uA A=B Active Low SSOP-20 Digital Comparators ROHS
- Part id
- ti/SN74HC688DB
- Category
- Digital Comparators
- Package
- SSOP-20
- Pins
- 5
- In stock
- 0 at JLCPCB (C3659186)
Overview
The SN74HC688DB is a digital Comparator made by Texas Instruments in a SSOP-20 package with 20 pins. -40℃~+85℃ 2V~6V 36ns@6V,50pF 5.2mA 5.2mA 8 8uA A=B Active Low SSOP-20 Digital Comparators ROHS.
PCBKit's library has its KiCad symbol (74xx:74HC688, from KiCad's library) and its footprint (Package_SO:SSOP-20_5.3x7.2mm_P0.65mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C3659186).
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
3
74HC688DB118
SSOP-20Digital ComparatorsNexperia74FCT521CTPYG
SSOP-20-40℃~+85℃ 10uA 15mA 4.5ns@5V,50pF 4.75V~5.25V 48mA 8 A=B Active Low SSOP-20 Digital Comparators ROHSRenesas ElectronicsDigital ComparatorsIDT74FCT521TPY
SSOP-200℃~+70℃ 1.5mA 11ns@5V,50pF 15mA 4.75V~5.25V 48mA 8 A=B Active Low SSOP-20 Digital ComparatorsRenesas ElectronicsDigital Comparators
Questions
Is there a KiCad symbol and footprint for the SN74HC688DB?
Yes. The symbol is 74xx:74HC688 and the footprint Package_SO:SSOP-20_5.3x7.2mm_P0.65mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the SN74HC688DB?
SSOP-20, with 20 pins. Its footprint is drawn on this page.
Where can I order the SN74HC688DB?
JLCPCB lists it as part C3659186, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SN74HC688DB?
Parts like it in the library: the 74HC688DB118 by Nexperia, the 74FCT521CTPYG by Renesas Electronics and the IDT74FCT521TPY by Renesas Electronics. Check their datasheets: a part that fits the footprint may still differ in its ratings.