DM74LS299WMX
onsemiExtended
0℃~+70℃ 1 2.6mA 24mA 28ns@5V,15pF 4.75V~5.25V 74LS 8 Asynchronous clear function、Output enable、Asynchronous parallel load function、Supports forward and reverse shift Tri-State SOIC-20 Shift Registers
- Part id
- onsemi/DM74LS299WMX
- Category
- Shift Registers
- Package
- SOIC-20
- Pins
- 5
- In stock
- 0 at JLCPCB (C3304369)
Overview
The DM74LS299WMX is a shift Register made by onsemi in a SOIC-20 package with 20 pins. 0℃~+70℃ 1 2.6mA 24mA 28ns@5V,15pF 4.75V~5.25V 74LS 8 Asynchronous clear function、Output enable、Asynchronous parallel load function、Supports forward and reverse shift Tri-State SOIC-20 Shift Registers.
PCBKit's library has its KiCad symbol (74xx:74LS299, from KiCad's library) and its footprint (Package_SO:SOP-20_7.5x12.8mm_P1.27mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C3304369).
Symbol
Footprint
Pinout
20| Pin | Name | Type |
|---|---|---|
| 1 | S0 | Input |
| 2 | OE1 | Input |
| 3 | OE2 | Input |
| 4 | IO6 | Tri-state |
| 5 | IO4 | Tri-state |
| 6 | IO2 | Tri-state |
| 7 | IO0 | Tri-state |
| 8 | Q0 | Output |
| 9 | Mr | Input |
| 10 | GND | Power in |
| 11 | Ds0 | Input |
| 12 | Cp | Input |
| 13 | IO1 | Tri-state |
| 14 | IO3 | Tri-state |
| 15 | IO5 | Tri-state |
| 16 | IO7 | Tri-state |
| 17 | Q7 | Output |
| 18 | Ds7 | Input |
| 19 | S1 | Input |
| 20 | VCC | Power in |
Parts like it
8
74HC573D
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SOIC-20-40℃~+85℃ 125MHz 24mA 24mA 24mA 4.5V~5.5V 500mW 74ACT 8 9ns@5.0V,50pF Output enable、Asynchronous parallel load function、Supports forward and reverse shift TTL Compatible CMOS Tri-State SOIC-20 Shift RegistersonsemiShift Registers
Questions
Is there a KiCad symbol and footprint for the DM74LS299WMX?
Yes. The symbol is 74xx:74LS299 and the footprint Package_SO:SOP-20_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 DM74LS299WMX?
SOIC-20, with 20 pins. Its footprint is drawn on this page.
Where is the DM74LS299WMX datasheet?
onsemi publishes it: the Datasheet link on this page opens it.
Where can I order the DM74LS299WMX?
JLCPCB lists it as part C3304369, with 0 in stock; the sellers' links on this page open their listings.
What can replace the DM74LS299WMX?
Parts like it in the library: the 74HC573D by Slkor, the SN74HC374DTR(XBLW) by XBLW, the NPIC6C4894D-Q100518 by Nexperia and the 74AC299SJ by onsemi. Check their datasheets: a part that fits the footprint may still differ in its ratings.