EEPROM 2864 PDF

AT28C64, 28C64 Datasheet, 28C64 64K ns Parallel PLCC EEPROM Datasheet, buy 28C Find Datasheet EEPROM related suppliers, manufacturers, products and specifications on GlobalSpec – a trusted source of Datasheet EEPROM. Compatible with the Serial Peripheral Interface. (SPI) bus. • Memory array. – 64 Kb (8 Kbytes) of EEPROM. – Page size: 32 bytes. • Write.

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The ‘ and ‘ have 16Kx8 and 32Kx8 but you don’t have to use all of it.

I’d probably try and use an octal bus driver instead of the transistors to drive the LEDs Here is another programmer that does some s they are not all the same. You will want presetable counters like perhaps the 74xx If that were 28664 intended purpose, however, I would expect a specification that would indicate that write pulses within a certain range are guaranteed to be accepted, write pulses that are outside a larger range would be guaranteed to be ignored, and those between the two ranges might arbitrarily be accepted or ignored.

28C64 Datasheet

An running at 3. It has been enhanced many times since the original design came out by many folks around the world. It looks like the ‘ and ‘ also allow counting down as well as up.

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From the description in the auction: Here’s parallel port programmer for a which could probably be adapted to the would be simpler, don’t need the We ain’t got no x We don’t NEED no stinking x86! Sat Jul 02, 4: Email Required, but never shown.

CHIP CLEAR

By using our site, you acknowledge that you have read and understand our Cookie PolicyEeeprom Policyand our Terms of Service. Which I think would just need a couple more address lines added for a Sun Jul 03, 5: Programmer hardware design is based on Willem Programmer Also, 18 bucks to ship it is ridiculous.

Sat Jul 02, 9: So if the write pulse is too long, you clear feprom chip. Pls tell how to make this, as where to write this program which type of computer is need.??

It was just a design you could build. It looks like this was done with a PC, but really, it could be modified to work 2846 any computer.

Fri Jul 01, 3: Post as a guest Name. Also, 18 bucks to ship it is ridiculous. I could be 8264 on this, you’ll need to check. Hi billo, nice to see you in this forum.!! I have had one like this as well as the first one mentioned. Would be good to clarify by changing the DC bit. Home Questions Tags Users Unanswered. Absolutely yes If you don’t set things up correctly with both the hardware and the ewprom you might end up with the computer trying to talk to the EEPROM at the same time the EEPROM is trying to talk to the computer, in that case they might short each other out.

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Select a forum If not, please ask specific questions. The Willem type has the dual advantages of being less expensive and will take an external power supply. Otherwise you will get a lot of consecutive eeporm programmed with the same data where you only pressed the button once. Post Your Answer Discard By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies.

I would not recommend DIP switches, since they are mostly made for very few cycles of life. The program is written in Pascal. A bit of Googling will turn up lots of do it yourself programmers, complete with the software to run them. This meant they could not work down to DC.