
Overview
The 74HCT273DB is a flip Flop made by NXP Semiconductors in a SSOP-20 package with 20 pins. -40℃~+125℃ 1 3.5pF 30ns@4.5V,50pF 36MHz 4.5V~5.5V 4mA 5.2mA 74HCT Series 8 8uA D-Type Reset Rising Edge SSOP-20 Flip Flops ROHS.
PCBKit's library has its KiCad symbol (74xx:74HCT273, from KiCad's library) and its footprint (Package_SO:SSOP-20_5.3x7.2mm_P0.65mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C5524134).
Symbol
Footprint
Parameters
18- Clock Frequency
- 36MHz
- Current - Output High(IOH)
- 4mA
- Current - Output Low(IOL)
- 5.2mA
- Function
- Reset
- Hold Time
- -4ns
- Input Capacitance
- 3.5pF
- Number of Bits per Element
- 8
- Number of Elements
- 1
- Operating Temperature
- -40℃~+125℃
- Output Type
- Push-Pull
- Propagation Delay
- 30ns@4.5V,50pF
- Quiescent Current
- 8uA
- Series
- 74HCT Series
- Setup Time
- 5ns
- Synchronous/Asynchronous
- Asynchronous
- Trigger Type
- Rising Edge
- Type
- D-Type
- Voltage - Supply
- 4.5V~5.5V
Order codes
1- 74HCT273DB,112LCSC C5524134
Pinout
20| Pin | Name | Type |
|---|---|---|
| 1 | Mr | Input |
| 2 | Q0 | Output |
| 3 | D0 | Input |
| 4 | D1 | Input |
| 5 | Q1 | Output |
| 6 | Q2 | Output |
| 7 | D2 | Input |
| 8 | D3 | Input |
| 9 | Q3 | Output |
| 10 | GND | Power in |
| 11 | Cp | Input |
| 12 | Q4 | Output |
| 13 | D4 | Input |
| 14 | D5 | Input |
| 15 | Q5 | Output |
| 16 | Q6 | Output |
| 17 | D6 | Input |
| 18 | D7 | Input |
| 19 | Q7 | Output |
| 20 | VCC | Power in |
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Is there a KiCad symbol and footprint for the 74HCT273DB?
Yes. The symbol is 74xx:74HCT273 and the footprint Package_SO:SSOP-20_5.3x7.2mm_P0.65mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the 74HCT273DB?
SSOP-20, with 20 pins. Its footprint is drawn on this page.
Where can I order the 74HCT273DB?
JLCPCB lists it as part C5524134, with 0 in stock; the sellers' links on this page open their listings.
What can replace the 74HCT273DB?
Parts like it in the library: the SN74HC574DW by Texas Instruments, the 74HCT273PW by Nexperia, the SN74HC574N by Texas Instruments and the 74HCT273PW-Q100J by Nexperia. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Parts like it
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TSSOP-20-40℃~+125℃ 1 12ns 3.5pF 30ns@4.5V,50pF 36MHz 3ns 4.5V~5.5V 4mA 5.2mA 74HCT Series 8 8uA Asynchronous D-Type Reset Rising Edge TSSOP-20 Flip Flops ROHSNexperiaFlip FlopsSN74HC574N
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