
Overview
The SN74ACT240NS is a buffer, Driver, Transceiver made by Texas Instruments in a SOP-20-208mil package with 20 pins. -40℃~+85℃ 2 24mA 24mA 4 4.5V~5.5V 40uA 74ACT 8.5ns@5V TTL-compatible CMOS Tri-State SOP-20-208mil Buffers, Drivers, Receivers, Transceivers ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:SNJ54ACT244J, from EasyEDA) 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 C2675641).
Symbol
Footprint
Parameters
12- Current - Output High(IOH)
- 24mA
- Current - Output Low(IOL)
- 24mA
- Features
- Output enable
- Input type
- TTL-compatible CMOS
- Logic Family
- 74ACT
- Number of Bits per Element
- 4
- Number of Elements
- 2
- Operating Temperature
- -40℃~+85℃
- Propagation Delay
- 8.5ns@5V
- Quiescent Current
- 40uA
- Voltage - Supply
- 4.5V~5.5V
- output type
- Tri-State
Order codes
1- SN74ACT240NSRLCSC C2675641
Pinout
20| Pin | Name | Type |
|---|---|---|
| 1 | 1OE# | Unspecified |
| 2 | 1A1 | Unspecified |
| 3 | 2Y4 | Unspecified |
| 4 | 1A2 | Unspecified |
| 5 | 2Y3 | Unspecified |
| 6 | 1A3 | Unspecified |
| 7 | 2Y2 | Unspecified |
| 8 | 1A4 | Unspecified |
| 9 | 2Y1 | Unspecified |
| 10 | GND | Unspecified |
| 11 | 2A1 | Unspecified |
| 12 | 1Y4 | Unspecified |
| 13 | 2A2 | Unspecified |
| 14 | 1Y3 | Unspecified |
| 15 | 2A3 | Unspecified |
| 16 | 1Y2 | Unspecified |
| 17 | 2A4 | Unspecified |
| 18 | 1Y1 | Unspecified |
| 19 | 2OE# | Unspecified |
| 20 | VCC | Unspecified |
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Is there a KiCad symbol and footprint for the SN74ACT240NS?
Yes. The symbol is EasyEDA_Cloud:SNJ54ACT244J 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 SN74ACT240NS?
SOP-20-208mil, with 20 pins. Its footprint is drawn on this page.
Where is the SN74ACT240NS datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the SN74ACT240NS?
JLCPCB lists it as part C2675641, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SN74ACT240NS?
Parts like it in the library: the 74VHC240SJX by onsemi, the MM74HC541SJ by onsemi, the MM74HC541SJX by onsemi and the MM74HCT244SJ by onsemi. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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