

Overview
The CD74ACT273E is a flip Flop made by Texas Instruments in a PDIP-20 package with 20 pins. -55℃~+125℃ 1 10pF 13.5ns@5V,50pF 24mA 24mA 4.5V~5.5V 74ACT Series 8 85MHz 8uA Asynchronous D-Type Push-Pull Reset Rising Edge PDIP-20 Flip Flops ROHS.
PCBKit's library has its KiCad symbol (74xx:74HC273, from KiCad's library) and its footprint (Package_DIP:DIP-20_W7.62mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C1523206). 1 open-source board in 1 repository on GitHub use it.
Symbol
Footprint
Parameters
16- Clock Frequency
- 85MHz
- Current - Output High(IOH)
- 24mA
- Current - Output Low(IOL)
- 24mA
- Function
- Reset
- Input Capacitance
- 10pF
- Number of Bits per Element
- 8
- Number of Elements
- 1
- Operating Temperature
- -55℃~+125℃
- Output Type
- Push-Pull
- Propagation Delay
- 13.5ns@5V,50pF
- Quiescent Current
- 8uA
- Series
- 74ACT Series
- Synchronous/Asynchronous
- Asynchronous
- Trigger Type
- Rising Edge
- Type
- D-Type
- Voltage - Supply
- 4.5V~5.5V
Order codes
1- CD74ACT273ELCSC C1523206
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 |
Open-source boards using it
All 1- 4 layers290 × 215 mm

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Is there a KiCad symbol and footprint for the CD74ACT273E?
Yes. The symbol is 74xx:74HC273 and the footprint Package_DIP:DIP-20_W7.62mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the CD74ACT273E?
PDIP-20, with 20 pins. Its footprint is drawn on this page.
Where is the CD74ACT273E datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the CD74ACT273E?
JLCPCB lists it as part C1523206, with 0 in stock; the sellers' links on this page open their listings.
What can replace the CD74ACT273E?
Parts like it in the library: the SN74HC74APW by Texas Instruments, the CD74ACT273M by Texas Instruments, the CD74ACT273PW by Texas Instruments and the CD74ACT74M96 by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the CD74ACT273E?
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
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SOIC-20-DW-55℃~+125℃ 1 10pF 13.5ns@5V,50pF 24mA 24mA 2ns 2ns 4.5V~5.5V 74ACT Series 8 85MHz 8uA Asynchronous D-Type Push-Pull Reset Rising Edge SOIC-20-DW Flip Flops ROHSTexas InstrumentsFlip FlopsCD74ACT273PW
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