MM74HC688WMX
Texas InstrumentsExtended
SOIC-20-300mil Specialty Logic ROHS
- Part id
- ti/MM74HC688WMX
- Category
- Specialty Logic
- Package
- SOIC-20-300mil
- Pins
- 20
- In stock
- 0 at JLCPCB (C7404)
Overview
The MM74HC688WMX is a specialty Logic made by Texas Instruments in a SOIC-20-300mil package with 20 pins. SOIC-20-300mil Specialty Logic 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. JLCPCB lists it (part C7404).
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
74FCT240ATSO8
SOIC-20-300milSOIC-20-300mil Specialty Logic ROHSRenesas ElectronicsSpecialty LogicDM74LS240WMX
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Questions
Is there a KiCad symbol and footprint for the MM74HC688WMX?
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 MM74HC688WMX?
SOIC-20-300mil, with 20 pins. Its footprint is drawn on this page.
Where can I order the MM74HC688WMX?
JLCPCB lists it as part C7404, with 0 in stock; the sellers' links on this page open their listings.
What can replace the MM74HC688WMX?
Parts like it in the library: the 74FCT240ATSO8 by Renesas Electronics, the DM74LS240WMX by Fairchild Semicon, the MC74LS273DWR2 by MOTOROLA and the 74HC245D653 by NXP Semiconductors. Check their datasheets: a part that fits the footprint may still differ in its ratings.