Features: *2-V to 5.5-V VCC Operation* Max tpd of 6 ns at 5 V* Typical VOLP (Output Ground Bounce) <0.8 V at VCC = 3.3 V, TA = 25°C* Typical VOHV (Output VOH Undershoot) >2.3 V at VCC = 3.3 V, TA = 25°C* Support Mixed-Mode Voltage Operation on All Ports* Ioff Supports Partial-Power-Down Mode...
SN54LV125A: Features: *2-V to 5.5-V VCC Operation* Max tpd of 6 ns at 5 V* Typical VOLP (Output Ground Bounce) <0.8 V at VCC = 3.3 V, TA = 25°C* Typical VOHV (Output VOH Undershoot) >2.3 V at VCC = 3.3 V,...
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Features: PinoutSpecificationsDescriptionThe SN54/74LS147 and SN54/74LS148 are Priority Encoders. ...
PinoutDescriptionThe LS155 and LS156 are Dual 1-of-4 Decoder/Demultiplexers with common Address in...

The 'LV125A quadruple bus buffer gates are designed for 2-V to 5.5-V VCC operation.
These devices feature independent line drivers with 3-state outputs. Each output of LV125A 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 LV125A is determined by the current-sinking capability of the driver.
LV125A is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the devices when they are powered down.