
Overview
The SN74AS574DW is a flip Flop made by Texas Instruments in a SOIC-20-300mil package with 20 pins. 0℃~+70℃ 1 116mA 15mA 3ns 4.5V~5.5V 48mA 6.5ns 74AS Series 8 90MHz 9ns@5V,50pF D-Type Rising Edge Tri-State SOIC-20-300mil Flip Flops ROHS.
PCBKit's library has its KiCad symbol (74xx:74LS574, 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 C1550069).
Symbol
Footprint
Parameters
17- Clock Frequency
- 90MHz
- Current - Output High(IOH)
- 15mA
- Current - Output Low(IOL)
- 48mA
- Function
- Standard
- Hold Time
- 3ns
- Number of Bits per Element
- 8
- Number of Elements
- 1
- Operating Temperature
- 0℃~+70℃
- Output Type
- Tri-State
- Propagation Delay
- 9ns@5V,50pF
- Quiescent Current
- 116mA
- Series
- 74AS Series
- Setup Time
- 6.5ns
- Synchronous/Asynchronous
- Synchronous
- Trigger Type
- Rising Edge
- Type
- D-Type
- Voltage - Supply
- 4.5V~5.5V
Order codes
2- SN74AS574DWLCSC C1550069
- SN74AS574DWRLCSC C2678004
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 SN74AS574DW?
Yes. The symbol is 74xx:74LS574 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 SN74AS574DW?
SOIC-20-300mil, with 20 pins. Its footprint is drawn on this page.
Where is the SN74AS574DW datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the SN74AS574DW?
JLCPCB lists it as part C1550069, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SN74AS574DW?
Parts like it in the library: the SN74ACT564DW by Texas Instruments, the 74AHC1G79GW by Nexperia, the SN74AUP1G74DQER by Texas Instruments and the U74AHC1G79G-AL5-R by UTC. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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