| TYPE | DESCRIPTION |
|---|
| Mounting Style | Through Hole |
| Number of Pins | 20 Pin |
| Supply Voltage (DC) | 4.75V ~ 5.25V |
| Case/Package | DIP-20 |
| Number of Outputs | 8 Output |
| Output Current | 24 mA |
| Number of Circuits | 8 Circuit |
| Number of Channels | 8 Channel |
| Number of Positions | 20 Position |
| Number of Bits | 8 Bit |
| Propagation Delay Max (tpd) | 15.0 ns |
| Voltage Nodes | 5.00 V |
| Quiescent Current | 64.0 mA |
| Output Current Drive | -625 µA |
| Output Current (Max) | 24 mA |
| Operating Temperature (Max) | 70 ℃ |
| Operating Temperature (Min) | 0 ℃ |
| Supply Voltage | 4.75V ~ 5.25V |
| Supply Voltage (Max) | 5.25 V |
| Supply Voltage (Min) | 4.75 V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Tube |
| Size-Length | 24.33 mm |
| Size-Width | 6.35 mm |
| Size-Height | 4.57 mm |
| Operating Temperature | 0℃ ~ 70℃ |
The SN74LS640N is an octal Bi-directional Bus Transceiver designed for asynchronous two-way communication between data buses. The device transmits data from the A bus to the B bus or from the B bus to the A bus depending upon the level at the direction control (DIR) input. The enable input (G) can be used to disable the device so the buses are effectively isolated. The -1 version of the SN74LS640 is identical to the standard versions except that the recommended maximum IOL is increased to 48mA. It is characterized for operation from 0 to 70°C.
● Hysteresis at bus inputs improves noise margins
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Logic IC - Receiver, transceiver Texas Instruments SN74LS640-1DW SOIC 20
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TEXAS INSTRUMENTS SN74LS640DW Transceiver, 74LS640, 4.75V to 5.25V, SOIC-20
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