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Buffers & Line Drivers


These SN74HCT125DR bus buffer gates feature independent line drivers with 3-state outputs. Each output is disabled when the associated output-enable (OE) input is high.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. SN74HCT125DR Features • Operating Voltage Range of 4.5 V to 5.5 V• High-Current Outputs Drive Up To 15 LSTTL Loads• Low Power Consumption, 80-μA Max ICC• Typical tpd = 12 ns• ±6-mA Output Drive at 5 V• Low Input Current of 1 μA Max• Inputs Are TTL-Voltage Compatible• High-Current 3-State Outputs Drive Bus Lines or Buffer Memory Address Registers

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