
Overview
The SNJ54LS540J is a buffers, Drivers, Receivers, Transceiver made by Texas Instruments in a CDIP-20 package with 20 pins. -55℃~+125℃ 1 12mA 12mA 15ns@5V,45pF 4.5V~5.5V 54LS 8 Schmitt trigger Tri-State Unidirectional CDIP-20 Buffers, Drivers, Receivers, Transceivers ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:74BC540AFP-E, from EasyEDA) and its footprint (EasyEDA_Cloud:CDIP-20_L27.0-W6.7-P2.54-LS7.8-BL, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C3756985).
Symbol
Footprint
Parameters
11- Channel Type
- Unidirectional
- Current - Output High(IOH)
- 12mA
- Current - Output Low(IOL)
- 12mA
- Input type
- Schmitt trigger
- Logic Family
- 54LS
- Number of Bits per Element
- 8
- Number of Elements
- 1
- Operating Temperature
- -55℃~+125℃
- Propagation Delay
- 15ns@5V,45pF
- Voltage - Supply
- 4.5V~5.5V
- output type
- Tri-State
Order codes
1- SNJ54LS540JLCSC C3756985
Pinout
20| Pin | Name | Type |
|---|---|---|
| 1 | G1# | Unspecified |
| 2 | A1 | Unspecified |
| 3 | A2 | Unspecified |
| 4 | A3 | Unspecified |
| 5 | A4 | Unspecified |
| 6 | A5 | Unspecified |
| 7 | A6 | Unspecified |
| 8 | A7 | Unspecified |
| 9 | A8 | Unspecified |
| 10 | GND | Unspecified |
| 11 | Y8 | Unspecified |
| 12 | Y7 | Unspecified |
| 13 | Y6 | Unspecified |
| 14 | Y5 | Unspecified |
| 15 | Y4 | Unspecified |
| 16 | Y3 | Unspecified |
| 17 | Y2 | Unspecified |
| 18 | Y1 | Unspecified |
| 19 | G2# | Unspecified |
| 20 | VCC | Unspecified |
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Is there a KiCad symbol and footprint for the SNJ54LS540J?
Yes. The symbol is EasyEDA_Cloud:74BC540AFP-E and the footprint EasyEDA_Cloud:CDIP-20_L27.0-W6.7-P2.54-LS7.8-BL, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the SNJ54LS540J?
CDIP-20, with 20 pins. Its footprint is drawn on this page.
Where is the SNJ54LS540J datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the SNJ54LS540J?
JLCPCB lists it as part C3756985, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SNJ54LS540J?
Parts like it in the library: the SN54LS244J by Texas Instruments, the CD54HC244F3A by Texas Instruments, the CD54HCT244F3A by Texas Instruments and the CD54HCT245F by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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