
Overview
The SN74LS444N is a signal Switches, Multiplexers, Decoder made by Texas Instruments with 20 pins. 0℃~70℃ 14ns@5V,45pF 15mA 24mA 4.75V~5.25V 74LS 95mA Output enable high-impedance、Tri-state output - Signal Switches, Multiplexers, Decoders.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:SN74LS444N, from EasyEDA) and its footprint (EasyEDA_Cloud:PDIP-20_L25.9-W6.6-P2.54-LS7.9-BL, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C6297182).
Symbol
Footprint
Parameters
7- Current - Output High(IOH)
- 15mA
- Current - Output Low(IOL)
- 24mA
- Function
- Tri-state output;Output enable high-impedance
- Operating temperature
- 0℃~70℃
- Propagation Delay
- 14ns@5V,45pF
- Quiescent Current
- 95mA
- Voltage - Supply
- 4.75V~5.25V
Order codes
1- SN74LS444NLCSC C6297182
Pinout
20| Pin | Name | Type |
|---|---|---|
| 1 | CS# | Unspecified |
| 2 | B1 | Unspecified |
| 3 | C1 | Unspecified |
| 4 | C2 | Unspecified |
| 5 | B2 | Unspecified |
| 6 | B3 | Unspecified |
| 7 | C3 | Unspecified |
| 8 | C4 | Unspecified |
| 9 | B4 | Unspecified |
| 10 | GND | Unspecified |
| 11 | S0 | Unspecified |
| 12 | S1 | Unspecified |
| 13 | A4 | Unspecified |
| 14 | A3 | Unspecified |
| 15 | A2 | Unspecified |
| 16 | A1 | Unspecified |
| 17 | GA# | Unspecified |
| 18 | GB# | Unspecified |
| 19 | GC# | Unspecified |
| 20 | VCC | Unspecified |
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Is there a KiCad symbol and footprint for the SN74LS444N?
Yes. The symbol is EasyEDA_Cloud:SN74LS444N and the footprint EasyEDA_Cloud:PDIP-20_L25.9-W6.6-P2.54-LS7.9-BL, both drawn on this page. PCBKit places them on a board for you when you design with it.
Where is the SN74LS444N datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the SN74LS444N?
JLCPCB lists it as part C6297182, with 0 in stock; the sellers' links on this page open their listings.