
Overview
The SN74HCS574DGS is a flip Flop made by Texas Instruments in a VSSOP-20 package with 20 pins. -40℃~+125℃ 0ns 1 10.3ns@6V,50pF 100nA 135MHz 2V~6V 5pF 6ns 7.8mA 7.8mA 74HCS 8 D-Type Rising Edge Tri-State VSSOP-20 Flip Flops ROHS.
PCBKit's library has its KiCad symbol (74xx:74LS574, from KiCad's library) and its footprint (EasyEDA_Cloud:VSSOP-20_L5.1-W3.0-P0.50-LS4.9-BL, from EasyEDA), ready for a KiCad board. 39 are in stock at JLCPCB (part C20345739).
Symbol
Footprint
Parameters
16- Clock Frequency
- 135MHz
- Current - Output High(IOH)
- 7.8mA
- Current - Output Low(IOL)
- 7.8mA
- Hold Time
- 0ns
- Input Capacitance
- 5pF
- Number of Bits per Element
- 8
- Number of Elements
- 1
- Operating Temperature
- -40℃~+125℃
- Output Type
- Tri-State
- Propagation Delay
- 10.3ns@6V,50pF
- Quiescent Current
- 100nA
- Series
- 74HCS
- Setup Time
- 6ns
- Trigger Type
- Rising Edge
- Type
- D-Type
- Voltage - Supply
- 2V~6V
Order codes
1- SN74HCS574DGSRLCSC C20345739
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 SN74HCS574DGS?
Yes. The symbol is 74xx:74LS574 and the footprint EasyEDA_Cloud:VSSOP-20_L5.1-W3.0-P0.50-LS4.9-BL, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the SN74HCS574DGS?
VSSOP-20, with 20 pins. Its footprint is drawn on this page.
Where is the SN74HCS574DGS datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the SN74HCS574DGS?
JLCPCB lists it as part C20345739, with 39 in stock; the sellers' links on this page open their listings.
What can replace the SN74HCS574DGS?
Parts like it in the library: the SN74HCS273DGS by Texas Instruments, the SN74HCS273QPWRQ1 by Texas Instruments, the SN74HCS574QPWRQ1 by Texas Instruments and the SN74HCS574RKSR by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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