| ??? 06/19/07 06:40 Read: times |
#140978 - Not a complete solution? Responding to: ???'s previous message |
Asif Ali said:
why dont you use PROM, or you can use EPROM That wouldn't totally protect the contents from change, though, would it? The Erase state is all bits at '1', and programming consists in setting the required bits to '0'. Thus zeros couldn't be set back to ones, but there's be nothing to stop you altering the programming by setting more ones to zeros... The same applies to OTPROM, http://www.8052.com/forum/read.phtml?id=140977 |
| Topic | Author | Date |
| Write once bit by bit memory read many times | 01/01/70 00:00 | |
| i think that PROM is your solution, | 01/01/70 00:00 | |
| OTPROM? | 01/01/70 00:00 | |
| I'd rather say | 01/01/70 00:00 | |
| Not a complete solution? | 01/01/70 00:00 | |
| black box | 01/01/70 00:00 | |
| PROMs, EPROMs, and alternatives | 01/01/70 00:00 | |
| bit by bit? | 01/01/70 00:00 | |
| some PROMs were actually written bit-by-bit... | 01/01/70 00:00 | |
| what level of security? | 01/01/70 00:00 | |
| XILINX | 01/01/70 00:00 | |
| What happens when the memory gets full? | 01/01/70 00:00 | |
| full? | 01/01/70 00:00 | |
Add-only memory from Maxim/Dallas | 01/01/70 00:00 |