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ACTIVE
Technology family |
ABT |
Supply voltage (min) (V) |
4.5 |
Supply voltage (max) (V) |
5.5 |
Number of channels |
4 |
IOL (max) (mA) |
64 |
Supply current (max) (µA) |
30000 |
IOH (max) (mA) |
-32 |
Input type |
TTL-Compatible CMOS |
Output type |
3-State |
Features |
Over-voltage tolerant inputs, Partial power down (Ioff), Power up 3-state, Ultra high speed (tpd <5ns) |
Rating |
Catalog |
Operating temperature range (°C) |
-40 to 85 |
PDIP (N)-14-181.42 mm² 19.3 x 9.4
The ABT125 quadruple bus buffer gates feature independent line drivers with 3-state outputs. Each output is disabled when the associated output-enable (OE) input is high.
These devices are 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 devices when they are 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.
To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
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