Overview
The CD74FCT574CTQM is a flip Flop made by Texas Instruments in a QSOP-20 package with 20 pins. 0℃~+70℃ 1 1.5ns 10pF 15mA 2ns 4.75V~5.25V 48mA 6.6ns@5V,50pF 8 8uA CD74FCT D-Type Rising Edge Tri-State QSOP-20 Flip Flops.
PCBKit's library has its KiCad symbol (74xx:74LS574, from KiCad's library) and its footprint (Package_SO:QSOP-20_3.9x8.7mm_P0.635mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C3826156).
Symbol
Footprint
Parameters
15- Current - Output High(IOH)
- 15mA
- Current - Output Low(IOL)
- 48mA
- Hold Time
- 1.5ns
- Input Capacitance
- 10pF
- Number of Bits per Element
- 8
- Number of Elements
- 1
- Operating Temperature
- 0℃~+70℃
- Output Type
- Tri-State
- Propagation Delay
- 6.6ns@5V,50pF
- Quiescent Current
- 8uA
- Series
- CD74FCT
- Setup Time
- 2ns
- Trigger Type
- Rising Edge
- Type
- D-Type
- Voltage - Supply
- 4.75V~5.25V
Order codes
1- CD74FCT574CTQMLCSC C3826156
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 |
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Is there a KiCad symbol and footprint for the CD74FCT574CTQM?
Yes. The symbol is 74xx:74LS574 and the footprint Package_SO:QSOP-20_3.9x8.7mm_P0.635mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the CD74FCT574CTQM?
QSOP-20, with 20 pins. Its footprint is drawn on this page.
Where can I order the CD74FCT574CTQM?
JLCPCB lists it as part C3826156, with 0 in stock; the sellers' links on this page open their listings.
What can replace the CD74FCT574CTQM?
Parts like it in the library: the CY74FCT374ATQCT by Texas Instruments, the 74ACTQ374QSC by onsemi, the 74ACTQ374QSCX by onsemi and the 74LVQ273QSC by onsemi. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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