CD74ACT299M

Series:	74ACT
Packaging:	Tube
Part Status:	Active
Logic Type:	Shift Register
Output Type:	Tri-State
Number of Elements:	1
Number of Bits per Element:	8
Function:	Universal
Voltage - Supply:	4.5 V ~ 5.5 V
Operating Temperature:	-55°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	20-SOIC (0.295", 7.50mm Width)
Supplier Device Package:	20-SOIC
Base Part Number:	74ACT299

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CD74ACT299M Logic - Shift Registers

The CD74ACT299M is an 8-bit shift register logic device that is built with advanced, low-power CMOS technology. It is capable of high-speed shifting and provides convenient drop-in replacement for standard integrated circuits in most logic-level applications, including data conversion, building logic arrays and memory expansion for microcontrollers. Furthermore, this part is ideal for use with low-power systems.

CD74ACT299M Application Field

The CD74ACT299M is a high-speed, low-power integrated device which is primarily used in data calculation and data conversion application. Additionally, CD74ACT299M can also be used in logic arrays, and memory expansion for microcontrollers. Other applications include building logic arrays, synchronous communications, multiplexing, storage scanners, memory expansion, logic level shifting, and frequency/data conversion.

CD74ACT299M Working Principle

The CD74ACT299M device operates using flip-flops. When the input signal changes on each clock cycle, the output value changes to correspond with the current level of the input signal. The CD74ACT299M works by the shift register process. A serial data input line (SIN) feeds data into the register one bit at a time. Each time a clock signal is sent to the device, the bit in the SIN line is latched into the first stage of the shift register. Then, on the next clock signal, the next bit from the SIN line is latched into the first stage and the data from the first stage is shifted to the second stage. This continues for each successive input clock cycle until the data has been loaded into the 8-stages of the shift register. Once the data is fully loaded, the output of each stage will remain constant and the shift register can be used to store data. The CD74ACT299M can also be used in serial-to-parallel mode. In this mode, data can be transferred from the shift register to a parallel destination. To do this, the data is loaded into the shift register as before. Then, when the clock signal is sent, the data is serially shifted out of each stage and transferred to the parallel destination.In summary, the CD74ACT299M is an 8-bit shift register logic device used for data calculation and data conversion application. It uses flip-flops to store data and changes the output value to match the input signal on each clock cycle. The device is capable of high-speed shifting and provides convenient drop-in replacement for standard integrated circuits in most logic-level applications.

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