
Overview
The 74VHCT240ASJX is a buffers, Drivers, Receivers, Transceiver made by onsemi in a SOIC-20-208mil package with 20 pins. -40℃~+85℃ 2 4 4.5V~5.5V 4uA 5.6ns@5V,15pF 74VHCT 8mA 8mA Tri-State SOIC-20-208mil Buffers, Drivers, Receivers, Transceivers ROHS.
PCBKit's library has its KiCad symbol (74xx:74HC240, from KiCad's library) and its footprint (EasyEDA_Cloud:SOP-20_L12.6-W5.3-P1.27-LS7.8-BL, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C3756935).
Symbol
Footprint
Parameters
10- Current - Output High(IOH)
- 8mA
- Current - Output Low(IOL)
- 8mA
- Logic Family
- 74VHCT
- Number of Bits per Element
- 4
- Number of Elements
- 2
- Operating Temperature
- -40℃~+85℃
- Propagation Delay
- 5.6ns@5V,15pF
- Quiescent Current
- 4uA
- Voltage - Supply
- 4.5V~5.5V
- output type
- Tri-State
Order codes
1- 74VHCT240ASJXLCSC C3756935
Pinout
20| Pin | Name | Type |
|---|---|---|
| 1 | 1OE | Input |
| 2 | 1A0 | Input |
| 3 | 2Y0 | Tri-state |
| 4 | 1A1 | Input |
| 5 | 2Y1 | Tri-state |
| 6 | 1A2 | Input |
| 7 | 2Y2 | Tri-state |
| 8 | 1A3 | Input |
| 9 | 2Y3 | Tri-state |
| 10 | GND | Power in |
| 11 | 2A3 | Input |
| 12 | 1Y3 | Tri-state |
| 13 | 2A2 | Input |
| 14 | 1Y2 | Tri-state |
| 15 | 2A1 | Input |
| 16 | 1Y1 | Tri-state |
| 17 | 2A0 | Input |
| 18 | 1Y0 | Tri-state |
| 19 | 2OE | Input |
| 20 | VCC | Power in |
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Is there a KiCad symbol and footprint for the 74VHCT240ASJX?
Yes. The symbol is 74xx:74HC240 and the footprint EasyEDA_Cloud:SOP-20_L12.6-W5.3-P1.27-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 74VHCT240ASJX?
SOIC-20-208mil, with 20 pins. Its footprint is drawn on this page.
Where is the 74VHCT240ASJX datasheet?
onsemi publishes it: the Datasheet link on this page opens it.
Where can I order the 74VHCT240ASJX?
JLCPCB lists it as part C3756935, with 0 in stock; the sellers' links on this page open their listings.
What can replace the 74VHCT240ASJX?
Parts like it in the library: the SN74LVC244ANS by Texas Instruments, the SN74ALS645A-1NS by Texas Instruments, the SN74LVTH240NSR by Texas Instruments and the MC74ACT240M by MOTOROLA. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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