74LS165 DATASHEET PDF

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 . Product data sheet. 1 General description. The 74HC; 74HCT are 8-bit serial or parallel-in/serial-out shift registers. The device features.

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74LS165 PDF Datasheet浏览和下载

You can cascade a lot of shift register to get tons of inputs. Next, you need to send the clock pulse to the shift register in order to obtain the serial output. Another thing that you can try is, first make sure you read what is exactly send from the shift register. Hi Maria, sorry for the late reply.

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Now, let us look into detail how to use the shift register. Another pin that is useful especially when you want to cascade a few shift registers together, which is Serial Data Input DS. The input voltage acceptable range is between GND to Vcc, where maximum allowable voltage for Vcc is 7V according to the datasheet.

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Follow this blog Enter your email address to follow this blog and receive notifications of new posts by email. Hey zxlee, great article, It helped me a lot. Thanks for the kind words. A low signal will triggers the input to be loaded into the daatsheet register.

Blog Statshits. Why have you left out the decoupling capacitors?

74LS datasheet, Pinout ,application circuits 8-Bit Parallel In/Serial Output Shift Registers

This will stop the circuit being unreliable especially as you chain more chips. Datasehet are commenting using your WordPress. 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. If you are using other display, you may need to change to code for the display. However, it is recommended to operate the chip at 5V. December 19, at 9: January 11, at December 30, at 4: One of the advantages that need to be stressed on is that by using only four pins, I can get eight input pins.

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June 27, at 9: December 17, at You are commenting using your Facebook account.

Of course, you need to do some manipulation on the results that you obtained from each shiftIn. Join 1, other followers.

January 8, at 8: Datahseet 8, at 7: This site uses cookies. To control the shift register, you would need three pins which are parallel load input PLclock input CP and clock enable input CE.

Last but not least, a video demo showing the operation of 74HC Shift Register. Create a free website or blog at WordPress.

8-Bit Parallel In/Serial Output Shift Registers

Hi J Dacampo, Thanks. Notice that I am using a pull up resistor of 10k ohm on all the inputs.

J Dacampo November 27, at 9: You are commenting using your Twitter account. After the clock is enabled, the parallel input data will be sent out in eight clock pulses.