General description
The 74AHC164; 74AHCT164 is an 8-bit serial-in/parallel-out shift register.

FEATUREs
• 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 Schmitt-trigger actions
• Input levels:
    • For 74AHC164: CMOS level
    • For 74AHCT164: TTL level
• ESD protection:
    • HBM JESD22-A114F 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