74AC11008DR

Series:	74AC
Packaging:	Tape & Reel (TR)
Part Status:	Discontinued at Digi-Key
Logic Type:	AND Gate
Number of Circuits:	4
Number of Inputs:	2
Features:	--
Voltage - Supply:	3 V ~ 5.5 V
Current - Quiescent (Max):	4µA
Current - Output High, Low:	24mA, 24mA
Logic Level - Low:	0.9 V ~ 1.65 V
Logic Level - High:	2.1 V ~ 3.85 V
Max Propagation Delay @ V, Max CL:	6.2ns @ 5V, 50pF
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Supplier Device Package:	16-SOIC
Package / Case:	16-SOIC (0.154", 3.90mm Width)
Base Part Number:	74AC11008

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Overview

The 74AC11008DR is a high-performance 8-bit bidirectional universal shift register that can perform serial-to-parallel or parallel-to-serial data conversion. As it is a bidirectional shift register, it can do both shifting right and shifting left. It is designed to provide superior high fan-in capability, fast switching speeds up to 200 MHz, high fan-out capability, wide operating temperature range, and low energy consumption.

Application Fields

The 74AC11008DR shift register has a wide range of applications and can be used in various industries. Its main application includes synchronous multi-drop and serial data transmission in data acquisition systems, system architectures involving interrupt driven data acquisition, high number of data points, as well as software PLC, microprocessor-based systems, ASIC implementations, multiplexed bus data distribution systems, scientific calculations, signal processing and more.

Working Principle

The 74AC11008DR works by first loading data into the serial input pin (SI) via internal or external shift register circuits. The data is then parallel-loaded into the 8-bit data register. When the shift register is placed in the shift right mode, the data in the input pin is loaded into the serial data output (Q1) and shifted serially from the output pin to the input pin of the next register. The data is shifted from the input pin until all the data is shifted to its final destination. Similarly, when the shift register is placed in the shift left mode, the data shifts from the output pin to the input pin of the next register. In this manner, bidirectional shifting of data is achieved. When the 74AC11008DR is used in multi-drop applications, the data is shifted serially across a serial data transceiver and multiple shift registers. The 74AC11008DR also has control input pins that are useful in many applications. These pins allow the user to control the direction the shift register takes when it is clocked. The control pins also include the mode control pin (M1), which enables shift right or shift left modes, and the reset pin (R), which clears the contents of the shift register.

Features and Benefits

The 74AC11008DR shift register is a quality shift register providing many benefits and features. Some of these include: • High fan-in capability • Fast switching speeds up to 200 MHz • High fan-out capability • Wide operating temperature range • Low power consumption • Internal or external shift register circuits • Mode control pin (M1) to enable shift right or shift left mode • Reset pin (R) that clears the shift register\'s contentsThe 74AC11008DR shift register can perform reliable and efficient data-shifting in both directions. With high fan-in and fan-out, fast switching speeds, a wide temperature range, and low power consumption, the shift register is well suited for applications such as data acquisition systems, embedded systems, scientific calculations, signal processing and more.

Conclusion

Overall, the 74AC11008DR shift register is an efficient and reliable way to perform parallel-to-serial and serial-to-parallel data conversions. With its impressive features and benefits, it can be used in a wide range of applications, from data acquisition systems to embedded systems, and can be used to reliably and quickly process data in both directions.

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