| TYPE | DESCRIPTION |
|---|
| Mounting Style | Through Hole |
| Number of Pins | 20 Pin |
| Supply Voltage (DC) | 4.50 V to 5.50 V |
| Case/Package | DIP |
| Number of Outputs | 8 Output |
| Output Current | 64.0 mA |
| Number of Circuits | 8 Circuit |
| Number of Bits | 8 Bit |
| Propagation Delay Max (tpd) | 3.90 ns |
| Voltage Nodes | 5.00 V |
| Quiescent Current | 22.0 mA |
| Output Current Drive | -500 µA |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Tube |
The SN74ABT245BN is an octal Bus Transceiver with 3-state outputs. It is designed for asynchronous communication between data buses. The devices transmit data from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at the direction-control (DIR) input. The OE\ input can be used to disable the device so the buses are effectively isolated. To ensure the high-impedance state during power up or power down, OE\ should be tied to VCC through a pull-up resistor, the minimum value of the resistor is determined by the current-sinking capability of the driver. This device is fully specified for hot-insertion applications using Ioff and power-up 3-state. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down. The power-up 3-state circuitry places the outputs in the high-impedance state during power up and power down, which prevents driver conflict.
● Ioff and power-up 3-state support hot insertion
● Latch-up performance exceeds 500mA per JEDEC standard JESD 17
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