Toshiba 74HC164D Surface Mount Shift Register 74HC, 14-Pin SOIC

The 74HC164D is a high speed CMOS 8-BIT SERIAL-IN PARALLEL-OUT SHIFT REGISTER fabricated with silicon gate C2MOS technology. It achieves the high speed operation similar to equivalent LSTTL while maintaining the CMOS low power dissipation. It consists of a serial-in, parallel-out 8-bit shift register with a CK input and an overriding CLR input. Two serial data inputs (A, B) are provided so that one may be used as a data enable. All inputs are equipped with protection circuits against static discharge or transient excess voltage.

High speed: fMAX = 58 MHz (typ.) at VCC = 5 V
Low power dissipation: ICC = 4.0 μA (max) at Ta = 25 
Balanced propagation delays: tPLH ≈ tPHL
Wide operating voltage range: VCC(opr) = 2.0 to 6.0 V