1. General description
The 74AHC125; 74AHCT125 is a quad buffer/line driver with 3-state outputs controlled by the
output enable inputs (nOE). A HIGH on nOE causes the outputs to assume a high impedance
OFF-state. Inputs are overvoltage tolerant. This feature allows the use of these devices as
translators in mixed voltage environments.
2. Features and benefits
• Wide supply voltage range from 2.0 V to 5.5 V
• Overvoltage tolerant inputs to 5.5 V
• High noise immunity
• CMOS low power dissipation
• Balanced propagation delays
• All inputs have a Schmitt-trigger action
• Input levels:
• For 74AHC125: CMOS level
• For 74AHCT125: TTL level
• ESD protection:
• HBM JESD22-A114E exceeds 2000 V
• MM JESD22-A115-A exceeds 200 V
• CDM JESD22-C101C exceeds 1000 V
• Latch-up performance exceeds 100 mA per JESD 78 Class II Level A
• Multiple package options
• Specified from -40 °C to +85 °C and from -40 °C to +125 °C