This device is an 8-bit serial shift register which shifts data in the direction of QA toward QH when clocked. Parallel-in access is made available by eight. Texas Instruments 74LS Counter Shift Registers are available at Mouser Electronics. Mouser offers inventory, pricing, & datasheets for Texas Instruments . 74LS 8-bit Parallel In/serial Output Shift Registers. This device an 8-bit serial shift register which shifts data in the direction of QA toward QH when clocked.

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74LS165 PDF Datasheet浏览和下载

Notify me of new posts via email. If you need to read the inputs to shift register and display it on your HD using Arduino, the code provided above would work for you. You are commenting using your Twitter account.

To control the shift register, you would need three pins which are parallel dztasheet input PLclock input CP and clock enable input CE. Change the code to display it using your serial monitor. Hey zxlee, great article, It helped me a lot. December 1, at 8: Dear Object means the instrument which is a digital keyboard for music playing and its display lcd is not available and its very much important to me, its my first keyboard therefore I want to get the display data or display screen of the instrument on arduino lcd.


74LS (FAIRCHILD) PDF技术资料下载 74LS 供应信息 IC Datasheet 数据表 (1/6 页)

From my understanding, you have the buttons well connected to the shift register and the output of shift register is also connected to the Arduino. To cascade between two 74HC shift register, all you need to do is to connect the Serial Output Pin 9 of first stage into Serial Input Pin 10 of the second stage. Thanks for your kind reply… See I have followed you and understood your line 39 to 51 is printable characters.

July 31, at 5: December 30, at 4: In this tutorial, I am going to show another shift register which is capable of expanding input pins.

From there, if you able to read the correct input from your buttons, then its just the display code you need to work on. Ratasheet you would like to cascade 74HC, the only modification you need to make is add the number of shiftIn depending on how many you are using.

December 19, at By continuing to use this website, you agree to their use. You are commenting using your Facebook account. The input pins of the shift registers are pin 11 to 14 D0 to D3 and pin 3 to pin 6 D4 to D7.


One of the advantages that need to be stressed on is that by using only four pins, I can get eight input pins.

January 11, at Follow this blog Enter your email address to follow this blog and receive notifications of new posts by email. November 19, at 2: Leave a Reply Cancel reply Enter your comment here December 17, at A low signal will triggers the input to be loaded into the shift register.

Thanks for the kind words.

You need a 0. You can cascade a lot of shift register to get tons of inputs.

8-Bit Parallel In/Serial Output Shift Registers

This site uses cookies. June 11, at Another thing that you can try is, first make sure you datashdet what is exactly send from the shift register. January 8, at 8: January 8, at 7:

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