Overview
The DM74ALS273N is a flip Flop made by onsemi in a PDIP-20 package with 20 pins. 0ns 0℃~+70℃ 1 15ns@5V,50pF 1ns 2.6mA 20mA 24mA 35MHz 4.5V~5.5V 4.5pF 74ALS Series 8 D-Type Reset Rising Edge Tri-State 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_W8.89mm_SMDSocket_LongPads, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C3826172).
Symbol
Footprint
Parameters
17- Clock Frequency
- 35MHz
- Current - Output High(IOH)
- 2.6mA
- Current - Output Low(IOL)
- 24mA
- Function
- Reset
- Hold Time
- 0ns
- Input Capacitance
- 4.5pF
- Number of Bits per Element
- 8
- Number of Elements
- 1
- Operating Temperature
- 0℃~+70℃
- Output Type
- Tri-State
- Propagation Delay
- 15ns@5V,50pF
- Quiescent Current
- 20mA
- Series
- 74ALS Series
- Setup Time
- 1ns
- Trigger Type
- Rising Edge
- Type
- D-Type
- Voltage - Supply
- 4.5V~5.5V
Order codes
1- DM74ALS273NLCSC C3826172
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 |
Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/onsemi/DM74ALS273N" title="DM74ALS273N in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/onsemi/DM74ALS273N.jpg" alt="DM74ALS273N" width="1200" height="900">[](https://pcbkit.io/parts/onsemi/DM74ALS273N)Questions
Is there a KiCad symbol and footprint for the DM74ALS273N?
Yes. The symbol is 74xx:74HC273 and the footprint Package_DIP:DIP-20_W8.89mm_SMDSocket_LongPads, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the DM74ALS273N?
PDIP-20, with 20 pins. Its footprint is drawn on this page.
Where is the DM74ALS273N datasheet?
onsemi publishes it: the Datasheet link on this page opens it.
Where can I order the DM74ALS273N?
JLCPCB lists it as part C3826172, with 0 in stock; the sellers' links on this page open their listings.
What can replace the DM74ALS273N?
Parts like it in the library: the 74LS374PC by onsemi, the DM74ALS374N by onsemi, the MC74HC273AN by onsemi and the MM74HC374AN by onsemi. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Parts like it
8
74LS374PC
PDIP-200ns 0℃~+70℃ 1 20ns 28ns@5V,45pF 35MHz 4.75V~5.25V 45mA 74LS Series 8 D-Type Rising Edge Tri-State PDIP-20 Flip FlopsonsemiFlip FlopsDM74ALS374N
PDIP-200℃~+70℃ 1 16ns@5V,50pF 19mA 2.6mA 24mA 35MHz 4.5V~5.5V 74ALS Series 8 D-Type Rising Edge PDIP-20 Flip Flops ROHSonsemiFlip FlopsMC74HC273AN
PDIP-20-55℃~+125℃ 1 10ns 10pF 25ns@6V,50pF 2V~6V 35MHz 3ns 4uA 7.8mA 7.8mA 74HC Series 8 Asynchronous D-Type Reset Rising Edge PDIP-20 Flip FlopsonsemiFlip FlopsMM74HC374AN
PDIP-20-40℃~+85℃ 2V~6V 35MHz 40ns@6V,150pF 5pF 7.8mA 7.8mA 74HC Series 8 8uA D-Type Rising Edge PDIP-20 Flip Flops ROHSonsemiFlip FlopsSN74ALS574BNE4
PDIP-200ns 0℃~+70℃ 1 14ns@5V,50pF 15ns 2.6mA 24mA 28mA 35MHz 4.5V~5.5V 74ALS Series 8 D-Type Rising Edge Synchronous Tri-State PDIP-20 Flip Flops ROHSTexas InstrumentsFlip Flops
MC74HC74AD
SOIC-14-55℃~+125℃ 1 10pF 14ns 17ns@6V,50pF 2 2V~6V 2uA 35MHz 3ns 5.2mA 5.2mA 74HC Series Asynchronous Complementary D-Type Rising Edge Set and Reset SOIC-14 Flip Flops ROHSonsemiFlip Flops
SN74HC574N(LX)
DIP-20-40℃~+125℃ 0ns 1 14ns@5V,15pF 2V~6V 2ns 3.5pF 35MHz 7.8mA 7.8mA 74HC Series 8 8uA D-Type Enable Rising Edge Tri-State DIP-20 Flip Flops ROHSlingxingicFlip Flops
SN74LS175DR(LX)
SOP-16-40℃~+125℃ 0ns 1 1ns 1uA 2V~6V 30ns@6V,50pF 35MHz 4 74LS Series Asynchronous Complementary type D-Type Reset Rising Edge SOP-16 Flip Flops ROHSlingxingicFlip Flops