
Overview
The MM74HC273WMX is a flip Flop made by onsemi in a SOIC-20-300mil package with 20 pins. -40℃~+85℃ 1 10ns 10pF 18ns@5V,15pF 2V~6V 4mA 4mA 50MHz 74HC Series 8 80uA Asynchronous D-Type Reset Rising Edge SOIC-20-300mil Flip Flops ROHS.
PCBKit's library has its KiCad symbol (74xx:74HC273, 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. 3 are in stock at JLCPCB (part C899761).
Symbol
Footprint
Parameters
17- Clock Frequency
- 50MHz
- Current - Output High(IOH)
- 4mA
- Current - Output Low(IOL)
- 4mA
- Function
- Reset
- Hold Time
- 4ns
- Input Capacitance
- 10pF
- Number of Bits per Element
- 8
- Number of Elements
- 1
- Operating Temperature
- -40℃~+85℃
- Propagation Delay
- 18ns@5V,15pF
- Quiescent Current
- 80uA
- Series
- 74HC Series
- Setup Time
- 10ns
- Synchronous/Asynchronous
- Asynchronous
- Trigger Type
- Rising Edge
- Type
- D-Type
- Voltage - Supply
- 2V~6V
Order codes
1- MM74HC273WMXLCSC C899761
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 MM74HC273WMX?
Yes. The symbol is 74xx:74HC273 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 MM74HC273WMX?
SOIC-20-300mil, with 20 pins. Its footprint is drawn on this page.
Where is the MM74HC273WMX datasheet?
onsemi publishes it: the Datasheet link on this page opens it.
Where can I order the MM74HC273WMX?
JLCPCB lists it as part C899761, with 3 in stock; the sellers' links on this page open their listings.
What can replace the MM74HC273WMX?
Parts like it in the library: the CD74HCT377M96 by Texas Instruments, the SN74LS374DWR by Texas Instruments, the MM74HC273WM by onsemi and the HD74LS374RPEL by Renesas Electronics. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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