The 74HC161 is a synchronous presettable binary counter with an internal look-head carry.

Features:

• Wide supply voltage range from 2.0 V to 6.0 V
• CMOS low power dissipation
• High noise immunity
• Latch-up performance exceeds 100 mA per JESD 78 Class II Level B
• Complies with JEDEC standards:
• JESD8C (2.7 V to 3.6 V)
• JESD7A (2.0 V to 6.0 V)
• CMOS input levels
• Synchronous counting and loading
• 2 count enable inputs for n-bit cascading
• Asynchronous reset
• Positive-edge triggered clock
• ESD protection:
• HBM JESD22-A114F exceeds 2000 V
• MM JESD22-A115-A exceeds 200 V
• Specified from -40 °C to 85 °C and -40 °C to 125 °C