View m74hc163 datasheet:

M74HC163 SYNCHRONOUS PRESETTABLE 4-BIT COUNTER HIGH SPEED : fMAX = 62 MHz (TYP.) at VCC = 6V LOW POWER DISSIPATION: ICC =4µA(MAX.) at TA=25°C HIGH NOISE IMMUNITY: VNIH = VNIL = 28 % VCC (MIN.) DIP SOP TSSOP SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 4mA (MIN) BALANCED PROPAGATION DELAYS: tPLH ? tPHL ORDER CODES WIDE OPERATING VOLTAGE RANGE: PACKAGE TUBE T & R VCC (OPR) = 2V to 6V DIP M74HC163B1R PIN AND FUNCTION COMPATIBLE WITH SOP M74HC163M1R M74HC163RM13TR 74 SERIES 163 TSSOP M74HC163TTR DESCRIPTION The M74HC163 is an high speed CMOS CLOCK. Two enable inputs (TE and PE) and SYNCHRONOUS 4 BIT BINARY PRESETTABLE CARRY output are provided to enable easy COUNTER fabricated with silicon gate C2MOS cascading of counters, which facilities easy technology. i