description/ordering information. These TTL encoders feature priority decoding of the inputs to ensure that only the highest-order data line is. line TO 4-line AND 8-line TO 3-line Priority Encoders. Instruments, a leading IC manufacturer of Point of Load converters, and Wurth Electronics. Buy 74HC IC – 8 to 3-Line Priority Encoder IC – IC online at lowest price in India with best quality only on Purchase now with .
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For more details, read our Order Terms and Conditions. All product names are trademarks of their respective companies. In some cases, such as this, you will be using the keypad for input to devices which use active low inputs. Returns All sales are final.
Good quality of product with fast delivery. Some of these extra pins are what allow these devices to be cascaded. Within Malaysia ,Ship By: Note that while the inputs are active lowthe outputs are active high. Sometimes you have more inputs than can id used with a single encoder chip.
Only buyers who purchased the product may leave a review. Below is the schematic for how to cascade two s to give a single 4 bit output. If the resistors get too icc, then the circuit will stop working; if the resistors get too small, there will be excessive current drawn from the circuit.
If you are looking for an office package, with 7418 word processor, spreadsheet, etc. We give an access to everything buyer need at competitive prices.
Although you order at your own risk, but special care is taken to protect fragile objects. Continue Shopping Add I List. Ideally you want to choose a large value that works consistently. Will purchase again in future. Your pack shipment Ex-stock items are generally dispatched within working days after receipt of cleared payment.
74148 – 74148 8 to 3 Priority Encoder
Ex-stock items are generally dispatched within working days after receipt of cleared payment. No returns are accepted unless prior written agreement by Synacorp upon purchase of the products.
Since 23 Nov We accept returns for refund or exchange only for items damaged upon receipt. For instance, if you have 16 inputs but your encoder chip only takes 8 or Resources To view pdf documents, you can download Adobe Acrobat Reader.
Oc low inputs In some cases, such as this, you will be using the keypad for input to devices which use active low inputs. Share your thoughts with others. Encoder Chip Sometimes you have more inputs than can be used with a single encoder chip.
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IC pinout diagram – Integrated Circuits
Please select option below X. Out of box defects are accepted for exchange within 7days from the date of purchase. Pages created and updated by Terry Sturtevant Date Posted: You can use the IC as the encoder in this case. This means 7448 you will want a key pressed to give a low output on the corresponding line. Closed This item has ended. Shipping fees include handling and packing fees as well as postage costs. In that case, you want to cascade the encoder chips so that instead of having two jc of three bit outputs, you have a single four bit output.
To do this, simply switch the common connections of the keypad and resistor array mentioned above. If you need to update a browser, you might try Firefox which is free open source 71448 for several platforms Since this page uses cascading style sheets for its layout, it will look best with a browser which supports the specifications as fully as possible.
Defective products are accepted for exchange within 7days from the date of purchase. Factory warranty applies, however no warranty is covered for consumable products. Boxes are amply sized and your items are well-protected. It has a few additional inputs and outputs compared to the