Overview
The MM74HCT574WM is a flip Flop made by onsemi in a SOIC-20-300mil package with 20 pins. -40℃~+85℃ 10pF 12ns 18ns@5V,50pF 33MHz 4.5V~5.5V 5ns 7.2mA 7.2mA 74HCT Series 8 8uA D-Type Rising Edge Tri-State SOIC-20-300mil Flip Flops ROHS.
PCBKit's library has its KiCad symbol (74xx:74HCT574, 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 C906748).
Symbol
Footprint
Parameters
15- Clock Frequency
- 33MHz
- Current - Output High(IOH)
- 7.2mA
- Current - Output Low(IOL)
- 7.2mA
- Hold Time
- 5ns
- Input Capacitance
- 10pF
- Number of Elements
- 8
- Operating Temperature
- -40℃~+85℃
- Output Type
- Tri-State
- Propagation Delay
- 18ns@5V,50pF
- Quiescent Current
- 8uA
- Series
- 74HCT Series
- Setup Time
- 12ns
- Trigger Type
- Rising Edge
- Type
- D-Type
- Voltage - Supply
- 4.5V~5.5V
Order codes
1- MM74HCT574WMLCSC C906748
Pinout
20| Pin | Name | Type |
|---|---|---|
| 1 | OE | Input |
| 2 | D0 | Input |
| 3 | D1 | Input |
| 4 | D2 | Input |
| 5 | D3 | Input |
| 6 | D4 | Input |
| 7 | D5 | Input |
| 8 | D6 | Input |
| 9 | D7 | Input |
| 10 | GND | Power in |
| 11 | Cp | Input |
| 12 | Q7 | Tri-state |
| 13 | Q6 | Tri-state |
| 14 | Q5 | Tri-state |
| 15 | Q4 | Tri-state |
| 16 | Q3 | Tri-state |
| 17 | Q2 | Tri-state |
| 18 | Q1 | Tri-state |
| 19 | Q0 | Tri-state |
| 20 | VCC | Power in |
Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/onsemi/MM74HCT574WM" title="MM74HCT574WM in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/onsemi/MM74HCT574WM.jpg" alt="MM74HCT574WM" width="1200" height="900">[](https://pcbkit.io/parts/onsemi/MM74HCT574WM)Questions
Is there a KiCad symbol and footprint for the MM74HCT574WM?
Yes. The symbol is 74xx:74HCT574 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 MM74HCT574WM?
SOIC-20-300mil, with 20 pins. Its footprint is drawn on this page.
Where is the MM74HCT574WM datasheet?
onsemi publishes it: the Datasheet link on this page opens it.
Where can I order the MM74HCT574WM?
JLCPCB lists it as part C906748, with 0 in stock; the sellers' links on this page open their listings.
What can replace the MM74HCT574WM?
Parts like it in the library: the MM74HCT574SJX by onsemi. Check their datasheets: a part that fits the footprint may still differ in its ratings.
