Tagged Questions
4
votes
2answers
69 views
What is the difference between Flash memory and EEPROM?
Flash memory storage and EEPROM both use floating gate transistors for storage of data. What differs between the two and why is Flash so much faster?
9
votes
2answers
373 views
Why would one still use normal EEPROM instead of flash?
Is there any reason why people are still using (and implementing in new systems) normal EEPROMs instead of flash memory, nowadays?
From the Flash memory wikipedia:
Flash memory was developed ...
3
votes
1answer
112 views
Replacing 27C256 with 28C256, how to wire /WE?
I am looking to replace a 27C256 compatible maskRom (nintendo Nrom PRG and CHR if it matters) with a socketed 28C256 in order to make a development cart.
It looks like the pin for A14 is in the wrong ...
4
votes
1answer
169 views
EPROM Replacement Strategies
We have a system that uses OTP (one-time programmable) EPROMs, specifically the AT27C256. We would like to replace this EPROM with an EEPROM or Flash chip such that we can make our units field ...
3
votes
2answers
320 views
Flash/EEPROM endurance
In this answer stevenvh suggests that Flash memory uses the same floating-gate technology as EEPROM. However! Looking at a random AVR datasheet it says for EEPROM 100 000 erase/write cycles, while for ...
2
votes
3answers
661 views
Failure mode of FLASH memory
What is the failure mode of flash memory? I've got some chips rated for 10,000 cycles - what happens after 10k cycles? Do the chips stop writing properly, do you get read errors, etc.? Does it also ...