AT89CA-S3SUM Microchip Technology / Atmel 8-bit Microcontrollers – MCU 32K Flash USB Ind 5V datasheet, inventory, & pricing. Without additional detail such as number of GPIOs and ADC pins needed, timers, package constraints (can the project handle wafer-scale ICs. Atmel AT89CA-UM. Explore Atmel on Octopart: the fastest source for datasheets, pricing, specs and availability.

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Is there a physical board area constraint that might require cutting down desired functionality just to fit in the available space? I am sure some of the stalwarts on this site can add a large number of other parameters, but the above points are a good start. Supplier Types Trade Assurance. Also, uk patterns for volume purchases vary widely between parts, even from the same MCU manufacturer What are the end-of-life constraints?

Thus, there are some designs where a much smaller package or a simpler MCU would amply serve the purpose, but the NRE cost saved by reusing code from earlier projects makes it worthwhile to stick with one or the other of these.

qt89c5131a For a product expected to see production over the next 10 years, a manufacturer’s commitment of part availability makes or breaks decisions What are the lead time constraints? By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.


Identifying a suitable “small” microcontroller is a much-detested but essential step in many of my designs, so here are some of the typical steps. Sign up or log in Sign up using Google. What are the price constraints? Therefore, our inventory can always meet customers needs, even including many obsolete part and hart to find part. Email Required, but never shown. Actually so would many other microcontrollers, so that deserves some research and perhaps a uum question.

89C5131A-UM AT89C5131A-UM ATMEL QFP64 High quality

List out all pin requirements, e. About product and suppliers: After analyzing all the above parameters, a decision that is not tightly tuned to the defined parameters often still makes sense. Second-source or minimum-rework code compatible alternatives The lower end ARM parts sometimes allow switching manufacturers and specific parts with reasonably small effort Some compatible MCUs are drop in replacements for each other Sometimes code compatibility is good enough to permit entirely changing the product family without massive redevelopment, e.

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Must the package support the use of a ZIF programming socket before insertion into production boards? Once all these parameters are defined, a parametric search on the manufacturer’s site is generally the best way to narrow down the choices.

Even so, a careful study of the datasheets of shortlisted products is essential. In rare cases,the uk custom clearances will make the delivery time a bit longer,please be patient. Post as a guest Name.


The supplier supports Trade Assurance — A free service that protects your orders from payment to delivery. Anindo Ghosh 46k 7 84 Arduino, Energiaswitching between AVR and At89f5131a may be viable I am sure some of the stalwarts on this site can add a large number of other parameters, but the above points are a good start.

If the items are defective, please notify us within 3 days umm delivery. Some parts, especially niche products or packages, and some manufacturers have big lead times, so even if a first production run can be met with existing stock, there may be logistical nightmares in the future. What formats are acceptable: Thanks for at89c5131aa info but I’m actually wanting to create a new transmitter key fob that can store a set of PRNG’s codes.

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At89ca-um Wholesale, At89ca-um Suppliers – Alibaba

Sign up using Facebook. For a guaranteed single production run, even an obsolete part may be viable if available in new-old-stock. Or no smaller than 1. By clicking “Post Your Answer”, you acknowledge at9c5131a you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies.