| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
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2,781 pcs
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2781 pcs | On Request | 1 | On Request | On Request | 98 | On Request | On Request |
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The Texas Instruments SN74ALS640B-1N is an inverting octal bus transceiver featuring 3-state outputs, suitable for asynchronous two-way communication between data buses. This device transmits data bidirectionally, controlled by a direction-control (DIR) input. The output-enable input allows for disabling the device, effectively isolating the buses.
Key electrical characteristics include a wide operating voltage range of 4.5V to 5.5V and TTL compatible input and output types. The maximum IOL is 48 mA and IOH is -15 mA. It operates reliably within a temperature range of 0°C to 70°C.
Packaged in a 20-pin DIP (0.300", 7.62mm) format, this transceiver is designed for through-hole mounting. The SN74ALS640B-1N is part of the ALS technology family and offers high speed performance with over-voltage tolerant inputs. Its design facilitates efficient data transfer in various digital systems.
| Qty | Low | High |
|---|---|---|
| 1+ | $2.75 | $2.75 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operating voltage range is 4.5V to 5.5V.
It comes in a 20-DIP (0.300", 7.62mm) through-hole package, also designated as 20-PDIP.
The operating temperature range is 0°C to 70°C.
The maximum sink current (IOL) is 48 mA and the maximum source current (IOH) is -15 mA.
It belongs to the ALS (Advanced Low-Power Schottky) technology family.
The input type is TTL and the output type is 3-State TTL.