SN74AS640NS
Texas InstrumentsExtended
- Buffers, Drivers, Receivers, Transceivers ROHS
- Part id
- ti/SN74AS640NS
- Category
- Buffers, Drivers, Receivers, Transceivers
- Pins
- 20
- In stock
- 0 at JLCPCB (C6680894)
Overview
The SN74AS640NS is a buffers, Drivers, Receivers, Transceiver made by Texas Instruments with 20 pins. - Buffers, Drivers, Receivers, Transceivers ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:SN74ALS1640AN, 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 C6680894).
Symbol
Footprint
Pinout
20| Pin | Name | Type |
|---|---|---|
| 1 | DIR | 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 | B8 | Unspecified |
| 12 | B7 | Unspecified |
| 13 | B6 | Unspecified |
| 14 | B5 | Unspecified |
| 15 | B4 | Unspecified |
| 16 | B3 | Unspecified |
| 17 | B2 | Unspecified |
| 18 | B1 | Unspecified |
| 19 | OE# | Unspecified |
| 20 | VCC | Unspecified |
Parts like it
8
SN74LVC244ANS
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SOP-20-208mil-40℃~+85℃ 190uA 2 2.6ns@3.3V,50pF 2.7V~3.6V 32mA 4 64mA 74LVTH Tri-State Unidirectional SOP-20-208mil Buffers, Drivers, Receivers, Transceivers ROHSTexas InstrumentsBuffers, Drivers, Receivers, TransceiversMC74ACT240M
SOIC-20-208mil-40℃~+85℃ 2 24mA 24mA 4 4.5V~5.5V 74ACT 80uA Output enable Tri-State SOIC-20-208mil Buffers, Drivers, Receivers, Transceivers ROHSMOTOROLABuffers, Drivers, Receivers, Transceivers74ABT2244CSJ
SOIC-20-208mil-40℃~+85℃ 15mA 2 32mA 4 4.5V~5.5V 50uA 74ABT Power-off isolation、Output enable、Hot-swap support Tri-State SOIC-20-208mil Buffers, Drivers, Receivers, Transceivers ROHSonsemiBuffers, Drivers, Receivers, Transceivers74ABT244CSJ
SOIC-20-208mil-40℃~+85℃ 2 32mA 4 4.5V~5.5V 50uA 64mA 74ABT Power-off isolation、Output enable、Short-Circuit Protection、Hot-swap support Tri-State SOIC-20-208mil Buffers, Drivers, Receivers, Transceivers ROHSonsemiBuffers, Drivers, Receivers, Transceivers74ABT541CSJX
SOIC-20-208mil-40℃~+85℃ 1 32mA 4.5V~5.5V 50uA 64mA 74ABT 8 Power-off isolation、Output enable、Hot-swap support、Bus collision protection Tri-State Unidirectional SOIC-20-208mil Buffers, Drivers, Receivers, Transceivers ROHSonsemiBuffers, Drivers, Receivers, Transceivers74AC244SJX
SOIC-20-208mil-40℃~+85℃ 2 24mA 24mA 2V~6V 4 5ns@5V,50pF 74AC 80uA Output enable Tri-State Unidirectional SOIC-20-208mil Buffers, Drivers, Receivers, Transceivers ROHSonsemiBuffers, Drivers, Receivers, Transceivers
Questions
Is there a KiCad symbol and footprint for the SN74AS640NS?
Yes. The symbol is EasyEDA_Cloud:SN74ALS1640AN 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.
Where can I order the SN74AS640NS?
JLCPCB lists it as part C6680894, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SN74AS640NS?
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.