Part # M74HC166 datasheet

Part Manufacturer: ST Microelectronics

ST Microelectronics

Part Description: 8 bit PISO shift register

Part Details:

M74HC166 8 BIT PISO SHIFT REGISTER s HIGH SPEED : fMAX = 63 MHz (TYP.) at VCC = 6V s LOW POWER DISSIPATION:ICC =4µA(MAX.) at TA=25°C s HIGH NOISE IMMUNITY:VNIH = VNIL = 28 % VCC (MIN.) s SYMMETRICAL OUTPUT IMPEDANCE: DIP SOP TSSOP |IOH| = IOL = 4mA (MIN) s BALANCED PROPAGATION DELAYS:tPLH tPHL ORDER CODES s WIDE OPERATING VOLTAGE RANGE: PACKAGE TUBE T & R VCC (OPR) = 2V to 6V DIP M74HC166B1R s PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 166 SOP M74HC166M1R M74HC166RM13TR TSSOP M74HC166TTR DESCRIPTIONThe M74HC166 is an high speed CMOS 8 BIT enabled and synchronous loading occurs on the PISO SHIFT REGISTER fabricated with silicon next clock pulse. Clocking is accomplished on the gate C2MOS technology. low-to-high level edge of the clock pulse. The It consists of parallel or serial inputs and a CLOCK-INHIBIT input should be changed to the serial-out 8 bit shift register with gated clock inputs high only while the clock input is held high. A direct and an overriding clear input. The parallel-in or clear input overrides all other inputs, including the serial-in modes are controlled by the SHIFT/ clock, and sets all flip-flops to zero. Functional LOAD input. When the SHIFT/LOAD input is held details are shown in the truth table and the timing high, the serial data input is enabled and the eight chart. All inputs are equipped with protection flip-flops perform serial shifting with each clock circuits against static discharge and transient pulse; when held low, the parallel data inputs are

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M74HC166.pdf Datasheet