Note 1: The Input/Output Characateristics for up translation indicate the input voltages required to provide. VCCA + 0.5 V on the outputs when measured using the test circuitry shown in Figure 7.
Note 2: The Input/Output Characateristics for down translation indicate the voltages that cause the output voltages to saturate when measured using the test circuitry shown in Figure 9.
A bus buffer uses a CMOS circuit for level-shifting. Therefore, it has an inherent drive capability and provides a digital output. For the drive capability, see the output current value shown in the Operating Ranges table in the datasheet.
The following documents also contain related information:
Glossary of CMOS Logic ICs
Basics of CMOS Logic Ics
CMOS Logic ICs Selection Guide
CMOS Logic ICs Usage Considerations
Basics of Bus Switches
Applications of Low-Voltage One-Gate Logic ICs to Level Shift Circuits
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