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KK74HC166A

KODENSHI KOREA
Part Number KK74HC166A
Manufacturer KODENSHI KOREA
Description 8-Bit Serial or Parallel-Input/ Serial-Output Shift Register
Published Jul 29, 2011
Detailed Description TECHNICAL DATA KK74HC166A 8-Bit Serial or Parallel-Input/ Serial-Output Shift Register High-Performance Silicon-Gate C...
Datasheet PDF File KK74HC166A PDF File

KK74HC166A
KK74HC166A

Overview
TECHNICAL DATA KK74HC166A 8-Bit Serial or Parallel-Input/ Serial-Output Shift Register High-Performance Silicon-Gate CMOS The KK74HC166A is identical in pinout to the LS/ALS166.
The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LS/ALSTTL outputs.
This device is a parallel-in or serial-in, serial-out shift register with gated clock inputs and an overriding clear input.
The shift/load input establishes the parallel-in or serial-in mode.
When high, this input enables the serial data input and couples the eight flip-flops for serial shifting with each clock pulse.
Synchronous loading occurs on the next clock pulse when this is low and the parallel data inputs are enabled.
Serial data flow is inhibited during parallel loading.
Clocking is done on the low-tohigh level edge of the clock pulse via a two input positive NOR gate, which permits one input to be used as a clock enable or clock inhibit function.
Clocking is inhibited when either of the clock inputs are held high, holding either input low enables the other clock input.
This will allow the system clock to be free running and the register stopped on command with the other clock input.
A change from low-to-high on the clock inhibit input should only be done when the clock input is high.
A buffered direct clear input overrides all other inputs, including the clock, andsets all flip-flop to zero.
• Outputs Directly Interface to CMOS, NMOS, and TTL • Operating Voltage Range: 2.
0 to 6.
0 V • Low Input Current: 1.
0 µA • High Noise Immunity Characteristic of CMOS Devices ORDERING INFORMATION KK74HC166AN Plastic KK74HC166AD SOIC TA = -55° to 125° C for all packages PIN ASSIGNMENT LOGIC DIAGRAM PIN 16 =VCC PIN 8 = GND www.
DataSheet4U.
net 1 KK74HC166A MAXIMUM RATINGS* Symbol VCC VIN VOUT IIN IOUT ICC PD Tstg TL * Parameter DC Supply Voltage (Referenced to GND) DC Input Voltage (Referenced to GND) DC Output Voltage (Referenced to GND) DC Input Current, per Pi...


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