SN74HC540PW
Texas InstrumentsExtended
-40℃~+85℃ 1 20ns@4.5V,50pF 2V~6V 7.8mA 7.8mA 74HC 8 80uA Tri-State TSSOP-20 Buffers, Drivers, Receivers, Transceivers ROHS
- Part id
- ti/SN74HC540PW
- Category
- Buffers, Drivers, Receivers, Transceivers
- Package
- TSSOP-20
- Pins
- 20
- In stock
- 2,232 at JLCPCB (C2682166)
Overview
The SN74HC540PW is a buffers, Drivers, Receivers, Transceiver made by Texas Instruments in a TSSOP-20 package with 20 pins. -40℃~+85℃ 1 20ns@4.5V,50pF 2V~6V 7.8mA 7.8mA 74HC 8 80uA Tri-State TSSOP-20 Buffers, Drivers, Receivers, Transceivers ROHS.
PCBKit's library has its KiCad symbol (74xx:74LS540, from KiCad's library) and its footprint (Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm, from KiCad's library), ready for a KiCad board. 2,232 are in stock at JLCPCB (part C2682166).
Symbol
Footprint
Pinout
20| Pin | Name | Type |
|---|---|---|
| 1 | G1 | Input |
| 2 | A0 | Input |
| 3 | A1 | Input |
| 4 | A2 | Input |
| 5 | A3 | Input |
| 6 | A4 | Input |
| 7 | A5 | Input |
| 8 | A6 | Input |
| 9 | A7 | Input |
| 10 | GND | Power in |
| 11 | Y7 | Tri-state |
| 12 | Y6 | Tri-state |
| 13 | Y5 | Tri-state |
| 14 | Y4 | Tri-state |
| 15 | Y3 | Tri-state |
| 16 | Y2 | Tri-state |
| 17 | Y1 | Tri-state |
| 18 | Y0 | Tri-state |
| 19 | G2 | Input |
| 20 | VCC | Power in |
Parts like it
8
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TSSOP-20-40℃~+85℃ 1 11ns@4.5V,50pF 3V~5.5V 54mA 74HC 75mA 8 8uA Bidirectional Output enable Tri-State TSSOP-20 Buffers, Drivers, Receivers, Transceivers ROHSShenzhen Fuman ElecBuffers, Drivers, Receivers, TransceiversSN74LVC244APW
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Questions
Is there a KiCad symbol and footprint for the SN74HC540PW?
Yes. The symbol is 74xx:74LS540 and the footprint Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the SN74HC540PW?
TSSOP-20, with 20 pins. Its footprint is drawn on this page.
Where is the SN74HC540PW datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the SN74HC540PW?
JLCPCB lists it as part C2682166, with 2,232 in stock; the sellers' links on this page open their listings.
What can replace the SN74HC540PW?
Parts like it in the library: the 74LVC245APW,118 by Nexperia, the SN74AHCT541PW by Texas Instruments, the SN74ACT244PW by Texas Instruments and the 74VHC245PW by Nexperia. Check their datasheets: a part that fits the footprint may still differ in its ratings.