74AHC164BQ-Q100X

Series:	Automotive, AEC-Q100, 74AHC
Packaging:	Tape & Reel (TR)
Part Status:	Active
Logic Type:	Shift Register
Output Type:	Push-Pull
Number of Elements:	1
Number of Bits per Element:	8
Function:	Serial to Parallel
Voltage - Supply:	2 V ~ 5.5 V
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	14-VFQFN Exposed Pad
Supplier Device Package:	14-DHVQFN (2.5x3)
Base Part Number:	74AHC164

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74AHC164BQ-Q100X belongs to the family of logic-shift registers. It is an 8-bit shift register designed to provide a high speed solution with minimum design effort. Its application fields and working principle will be described in this article.Application FieldThe 74AHC164BQ-Q100X can be widely used in a range of fields such as automotive, communication, consumer and industrial.In the automotive sector, it can be used in power train control modules and satellite positioning system control modules. In the communication and consumer sectors, it can be used to control data and memory bus in TV sets, mobile handsets and other consumer applications. In the industrial field, it can be used in controllers, industrial process systems and robotics.Apart from these fields, the 74AHC164BQ-Q100X can also be used in other fields such as medical, educational and military applications.Working PrincipleThe 74AHC164BQ-Q100X is a serial-in/serial-out (SISO) shift register with rising edge clock triggering. It contains eight D-type flip-flops, which share a common data input (D). The shift register is composed of two groups of four flip-flops each, the ‘A’ and ‘B’ sections.A single positive-going edge on the clock (CLK) input shifts the data present at the D input into the QA-QD outputs of the ‘A’ section. At the same time, the data is inverted and shifted into the QA’-QD’ outputs of the ‘B’ section.The shift register function is activated whenever the data input and the clock input are both low. This behavior allows the clock input to control the direction of the serial data flow.The 74AHC164BQ-Q100X includesfeatures like a high drive output capability, variable data output ability and low power consumption. It has a temperature range of -40 to +85 degrees Celsius and a wide voltage range of 1.8V to 7V. The 74AHC164BQ-Q100X comes in a 16-pin TSSOP (thin-shrink small outline package) with a lead-free finish. All pins are user accessible for easy access and connection.ConclusionThe 74AHC164BQ-Q100X is a reliable and efficient 8-bit shift register designed to meet the requirements of a wide range of applications from automotive to consumer. Its features like high drive output capability and temperature range of -40 to +85 degrees Celsius make it a popular choice for engineers.

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