SN74LS240DB
Texas InstrumentsExtended
0℃~+70℃ 15mA 15ns@5V 2 24mA 4 4.75V~5.25V 74LS Output enable、Level shifting Tri-State Unidirectional SSOP-20-208mil Buffers, Drivers, Receivers, Transceivers ROHS
- Part id
- ti/SN74LS240DB
- Category
- Buffers, Drivers, Receivers, Transceivers
- Package
- SSOP-20-208mil
- Pins
- 20
- In stock
- 50 at JLCPCB (C2675832)
Overview
The SN74LS240DB is a buffers, Drivers, Receivers, Transceiver made by Texas Instruments in a SSOP-20-208mil package with 20 pins. 0℃~+70℃ 15mA 15ns@5V 2 24mA 4 4.75V~5.25V 74LS Output enable、Level shifting Tri-State Unidirectional SSOP-20-208mil Buffers, Drivers, Receivers, Transceivers ROHS.
PCBKit's library has its KiCad symbol (74xx:74LS240, from KiCad's library) and its footprint (Package_SO:SSOP-20_5.3x7.2mm_P0.65mm, from KiCad's library), ready for a KiCad board. 50 are in stock at JLCPCB (part C2675832).
Symbol
Footprint
Pinout
20| Pin | Name | Type |
|---|---|---|
| 1 | OEa | Input |
| 2 | I0a | Input |
| 3 | O3b | Tri-state |
| 4 | I1a | Input |
| 5 | O2b | Tri-state |
| 6 | I2a | Input |
| 7 | O1b | Tri-state |
| 8 | I3a | Input |
| 9 | O0b | Tri-state |
| 10 | GND | Power in |
| 11 | I0b | Input |
| 12 | O3a | Tri-state |
| 13 | I1b | Input |
| 14 | O2a | Tri-state |
| 15 | I2b | Input |
| 16 | O1a | Tri-state |
| 17 | I3b | Input |
| 18 | O0a | Tri-state |
| 19 | OEb | Input |
| 20 | VCC | Power in |
Parts like it
8
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Questions
Is there a KiCad symbol and footprint for the SN74LS240DB?
Yes. The symbol is 74xx:74LS240 and the footprint Package_SO:SSOP-20_5.3x7.2mm_P0.65mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the SN74LS240DB?
SSOP-20-208mil, with 20 pins. Its footprint is drawn on this page.
Where is the SN74LS240DB datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the SN74LS240DB?
JLCPCB lists it as part C2675832, with 50 in stock; the sellers' links on this page open their listings.
What can replace the SN74LS240DB?
Parts like it in the library: the SN74LVC245ADB by Texas Instruments, the SN74HC245DBR by Texas Instruments, the SN74ABT540DB by Texas Instruments and the SN74HCT245DB by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.