EPROM memory with internal signature concerning, in particular,

Details EPROM memory with internal signature concerning, in particular, EPROM memory with internal signature concerning, in particular,

1993-09-03

1997-10-21

Ngo, Ngan V.

Static information storage and retrieval

Read/write circuit

Bad bit

36523003, 257315, 257529, 257659, 371 216, H01L 29788

Patent

active

056803532

ABSTRACT:
Electrically programmable memories, in particular EPROMs, generally have an internal signature which can be read by the memory-programming device. This internal signature indicates the origin of the part (manufacturer's identification) and the appropriate programming mode for the part (fast programming, "intelligent" programming, etc.). Here, it is proposed that this information be recorded in a UPROM (unerasable programmable read-only) memory, i.e., in practice an EPROM memory masked by a layer of aluminium which prevents its erasure by ultraviolet rays.

REFERENCES:
patent: 4055802 (1977-10-01), Panousis et al.
patent: 4217637 (1980-08-01), Faulkner
patent: 4759123 (1988-07-01), Ohta et al.
patent: 4942450 (1990-07-01), Iwashita
patent: 4998223 (1991-03-01), Akaoji
Kugler et al IBM Tech Discl. Bulletin, vol. 22, No. 5, Oct. 1979, pp. 1879-1880.

Affiliated with

Also associated with

Rating

EPROM memory with internal signature concerning, in particular, does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with EPROM memory with internal signature concerning, in particular, , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and EPROM memory with internal signature concerning, in particular, will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1012352