CN103853866A - Method and system for verifying ROM (Read Only Memory) code data graphs in aggregate data layout - Google Patents
Method and system for verifying ROM (Read Only Memory) code data graphs in aggregate data layout Download PDFInfo
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- CN103853866A CN103853866A CN201210525187.8A CN201210525187A CN103853866A CN 103853866 A CN103853866 A CN 103853866A CN 201210525187 A CN201210525187 A CN 201210525187A CN 103853866 A CN103853866 A CN 103853866A
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Abstract
The invention discloses a method for verifying ROM (Read Only Memory) code data graphs in an aggregate data layout. The method comprises the following steps of carrying out boolean AND operation on data graphs which are in a storage state and data graphs in each storage unit of ROM code data graphs in an aggregate data layout, so as to obtain a decoding value of each storage unit of the ROM code data graphs in the aggregate data layout; respectively comparing the decoding value of each storage unit of the ROM code data graphs in the aggregate data layout with an original value of each corresponding storage unit in a sample ROM code data, so as to obtain a verification result. The invention also discloses a system for verifying the ROM code data graphs in an aggregate data layout. According to the method and the system, whether the ROM code data graphs in the aggregate data layout are correct or not can be accurately verified by virtue of carrying out text comparison once, and the whole process is completely automatic, rapid and convenient.
Description
Technical field
The present invention relates to a kind of semiconductor physics layout data treatment technology, particularly method of calibration and the system of the ROM code data figure in total data domain.
Background technology
ROM(Read-Only Memory, ROM (read-only memory)) institute's canned data, can only read under normal circumstances, can not arbitrarily change.Its institute's canned data generates under specific condition, even if its storage information that has a power failure also can not be lost, is a kind of nonvolatile storer, is applicable to store changeless program and data.ROM code (ROM Code) is that ROM wants canned data content.
ROM code data treatment scheme, be the process that ROM code data (being generally 16 system data) that client is provided becomes physical graph, ROM memory cell type can be Code P(ion implantation type), Metal switches (metal switch type), Diffusion switches (diffusion layer switching) or other forms.
After ROM code data figure generates, need and the rear total data domain that forms of master data figure merging, merge ROM code data figure owing to forgetting, merge other the situation such as ROM code data figure, need the verification of carrying out to the ROM code data figure in total data domain forming after total data domain;
The existing method of carrying out verification to the ROM code data figure in total data domain is, on the total domain showing, whether there is mistake by the visual ROM of watching code pattern, do so several points of the ROM code pattern on the total domain of random choose just and have a look, can not guarantee that the ROM code data figure in total data domain is entirely true.
Summary of the invention
The technical problem to be solved in the present invention is fast, accurately to verify that whether the ROM code data figure in total data domain is correct.
For solving the problems of the technologies described above, the invention provides the method for calibration of the ROM code data figure in a kind of total data domain, ROM code data figure in total data domain is corresponding to M line storage unit, every a line is corresponding to N storage unit, M, N are positive integer, and the method for calibration of the ROM code data figure in total data domain comprises the following steps:
One .i=1, j=1;
Two, by the datagraphic of 1 store status, the datagraphic corresponding to capable i the storage unit of j with the ROM code data figure in total data domain carries out Boolean AND operation, if the datagraphic corresponding to capable i the storage unit of j of the ROM code data figure in total data domain is 1 store status datagraphic, the decode value of the capable i array storage unit of j of the ROM code data figure in total data domain is 1, otherwise the decode value of the capable i array storage unit of j of ROM code data figure in total data domain is 0;
Three .j are from increasing 1; If j is less than or equal to N, carries out step 2, otherwise carry out step 4;
Four .i are from increasing 1, if i is less than or equal to M, j assignment is 1, carries out step 2, otherwise carries out step 5;
Five. the decode value of each storage unit of the ROM code data figure in output total data domain.
Preferably, after step 5, by the decode value of each storage unit of the ROM code data figure in total data domain, compare respectively with the original value of the corresponding each storage unit in sample ROM code data, be verified result;
If the decode value of corresponding each storage unit is all consistent with original value, the ROM code data figure in total data domain is correct, otherwise ROM code data figure mistake in total data domain.
Preferably, N equals 8.
For solving the problems of the technologies described above, the present invention also provides the check system of the ROM code data figure in a kind of total data domain, ROM code data figure in total data domain is corresponding to M line storage unit, every a line is corresponding to N storage unit, M, N are positive integer, the check system of the ROM code data figure in total data domain, comprises a decoder module, a comparison module;
Described decoder module, the course of work is as follows:
One .i=1, j=1;
Two, by the datagraphic of 1 store status, the datagraphic corresponding to capable i the storage unit of j with the ROM code data figure in total data domain carries out Boolean AND operation, if the datagraphic corresponding to capable i the storage unit of j of the ROM code data figure in total data domain is 1 store status datagraphic, the decode value of the capable i array storage unit of j of the ROM code data figure in total data domain is 1, otherwise the decode value of the capable i array storage unit of j of ROM code data figure in total data domain is 0;
Three .j are from increasing 1; If j is less than or equal to N, carries out step 2, otherwise carry out step 4;
Four .i are from increasing 1, if i is less than or equal to M, j assignment is 1, carries out step 2, otherwise carries out step 5;
Five. the decode value of each storage unit of the ROM code data figure in output total data domain;
Described comparison module, for by the decode value of each storage unit of the ROM code data figure of total data domain, compares respectively with the original value of the corresponding each storage unit in sample ROM code data, is verified result;
If the decode value of corresponding each storage unit is all consistent with original value, the ROM code data figure in total data domain is correct, otherwise ROM code data figure mistake in total data domain.
Method of calibration and the system of the ROM code data figure in total data domain of the present invention, the datagraphic of 1 store status is carried out to Boolean AND operation with the datagraphic of each storage unit of the ROM code data figure in total data domain, obtain the decode value of each storage unit of the ROM code data figure in total data domain; By the decode value of each storage unit of the ROM code data figure in total data domain, compare respectively with the original value of the corresponding each storage unit in sample ROM code data, be verified result; Carry out a text comparison, just can accurately verify that whether the ROM code data figure in total data domain is correct, whole process can full automation, quick and convenient.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, below the accompanying drawing that will use required for the present invention is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is a line schematic diagram of the ROM code data figure in total data domain;
Fig. 2 is memory cell data figure Boolean AND operation schematic diagram;
Fig. 3 is the method for calibration one embodiment schematic diagram of the ROM code data figure in total data domain of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the technical scheme in the present invention is carried out to clear, complete description, obviously, described embodiment is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment in the present invention, all other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work, belong to the scope of protection of the invention.
Embodiment mono-
After merging, ROM code data figure and master data figure form total data domain.
ROM code data figure in total data domain is corresponding to M line storage unit, and every a line, corresponding to N storage unit, Figure 1 shows that a line is corresponding to 8 storage unit, N, M are positive integer, the method of calibration of the ROM code data figure in total data domain, as shown in Figure 3, comprises the following steps:
One .i=1, j=1;
Two, by the datagraphic of 1 store status, the datagraphic corresponding to capable i the storage unit of j with the ROM code data figure in total data domain carries out Boolean AND operation, if the datagraphic corresponding to capable i the storage unit of j of the ROM code data figure in total data domain is 1 store status datagraphic, the decode value of the capable i array storage unit of j of the ROM code data figure in total data domain is 1, otherwise the decode value of the capable i array storage unit of j of the ROM code data figure in total data domain is 0, as shown in Figure 2;
Three .j are from increasing 1; If j is less than or equal to N, carries out step 2, otherwise carry out step 4;
Four .i are from increasing 1, if i is less than or equal to M, j assignment is 1, carries out step 2; Otherwise carry out step 5;
Five. the decode value of each storage unit of the ROM code data figure in output total data domain;
Six. by the decode value of each storage unit of the ROM code data figure in total data domain, compare respectively with the original value of the corresponding each storage unit in sample ROM code data, be verified result;
If the decode value of corresponding each storage unit is all consistent with original value, the ROM code data figure in total data domain is correct, otherwise ROM code data figure mistake in total data domain.
Embodiment bis-
The check system of the ROM code data figure in total data domain, ROM code data figure in total data domain is corresponding to M line storage unit, every a line is corresponding to N storage unit, M, N are positive integer, the check system of the ROM code data figure in total data domain, comprises a decoder module, a comparison module;
Described decoder module, the course of work is as follows:
One .i=1, j=1;
Two, by the datagraphic of 1 store status, the datagraphic corresponding to capable i the storage unit of j with the ROM code data figure in total data domain carries out Boolean AND operation, if the datagraphic corresponding to capable i the storage unit of j of the ROM code data figure in total data domain is 1 store status datagraphic, the decode value of the capable i array storage unit of j of the ROM code data figure in total data domain is 1, otherwise the decode value of the capable i array storage unit of j of ROM code data figure in total data domain is 0;
Three .j are from increasing 1; If j is less than or equal to N, carries out step 2, otherwise carry out step 4;
Four .i are from increasing 1, if i is less than or equal to M, j assignment is 1, carries out step 2, otherwise carries out step 5;
Five. the decode value of each storage unit of the ROM code data figure in output total data domain;
Described comparison module, for by the decode value of each storage unit of the ROM code data figure of total data domain, compares respectively with the original value of the corresponding each storage unit in sample ROM code data, is verified result;
If the decode value of corresponding each storage unit is all consistent with original value, the ROM code data figure in total data domain is correct, otherwise ROM code data figure mistake in total data domain.
Preferably, N equals 8.
Method of calibration and the system of the ROM code data figure in total data domain of the present invention, the datagraphic of 1 store status is carried out to Boolean AND operation with the datagraphic of each storage unit of the ROM code data figure in total data domain, obtain the decode value of each storage unit of the ROM code data figure in total data domain; By the decode value of each storage unit of the ROM code data figure in total data domain, compare respectively with the original value of the corresponding each storage unit in sample ROM code data, be verified result; Carry out a text comparison, just can accurately verify that whether the ROM code data figure in total data domain is correct, whole process can full automation, quick and convenient.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of making, be equal to replacement, improvement etc., within all should being included in the scope of protection of the invention.
Claims (5)
1. the method for calibration of the ROM code data figure in a total data domain, ROM code data figure in total data domain is corresponding to M line storage unit, every a line is corresponding to N storage unit, M, N are positive integer, it is characterized in that, the method for calibration of the ROM code data figure in total data domain comprises the following steps:
One .i=1, j=1;
Two, by the datagraphic of 1 store status, the datagraphic corresponding to capable i the storage unit of j with the ROM code data figure in total data domain carries out Boolean AND operation, if the datagraphic corresponding to capable i the storage unit of j of the ROM code data figure in total data domain is 1 store status datagraphic, the decode value of the capable i array storage unit of j of the ROM code data figure in total data domain is 1, otherwise the decode value of the capable i array storage unit of j of ROM code data figure in total data domain is 0;
Three .j are from increasing 1; If j is less than or equal to N, carries out step 2, otherwise carry out step 4;
Four .i are from increasing 1, if i is less than or equal to M, j assignment is 1, carries out step 2, otherwise carries out step 5;
Five. the decode value of each storage unit of the ROM code data figure in output total data domain.
2. the method for calibration of the ROM code data figure in total data domain according to claim 1, is characterized in that,
After step 5, by the decode value of each storage unit of the ROM code data figure in total data domain, compare respectively with the original value of the corresponding each storage unit in sample ROM code data, be verified result;
If the decode value of corresponding each storage unit is all consistent with original value, the ROM code data figure in total data domain is correct, otherwise ROM code data figure mistake in total data domain.
3. the method for calibration of the ROM code data figure in total data domain according to claim 1, is characterized in that, N equals 8.
4. a check system for the ROM code data figure in total data domain, the ROM code data figure in total data domain is corresponding to M line storage unit, and every a line is corresponding to N storage unit, and M, N are positive integer, it is characterized in that,
The check system of the ROM code data figure in total data domain, comprises a decoder module, a comparison module;
Described decoder module, the course of work is as follows:
One .i=1, j=1;
Two, by the datagraphic of 1 store status, the datagraphic corresponding to capable i the storage unit of j with the ROM code data figure in total data domain carries out Boolean AND operation, if the datagraphic corresponding to capable i the storage unit of j of the ROM code data figure in total data domain is 1 store status datagraphic, the decode value of the capable i array storage unit of j of the ROM code data figure in total data domain is 1, otherwise the decode value of the capable i array storage unit of j of ROM code data figure in total data domain is 0;
Three .j are from increasing 1; If j is less than or equal to N, carries out step 2, otherwise carry out step 4;
Four .i are from increasing 1, if i is less than or equal to M, j assignment is 1, carries out step 2, otherwise carries out step 5;
Five. the decode value of each storage unit of the ROM code data figure in output total data domain;
Described comparison module, for by the decode value of each storage unit of the ROM code data figure of total data domain, compares respectively with the original value of the corresponding each storage unit in sample ROM code data, is verified result;
If the decode value of corresponding each storage unit is all consistent with original value, the ROM code data figure in total data domain is correct, otherwise ROM code data figure mistake in total data domain.
5. the method for calibration of the ROM code data figure in total data domain according to claim 4, is characterized in that, N equals 8.
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| CN105740540A (en) * | 2016-01-29 | 2016-07-06 | 上海华虹宏力半导体制造有限公司 | Method for searching characteristic graphs of layouts in mask design |
| CN112347723A (en) * | 2020-10-31 | 2021-02-09 | 拓维电子科技(上海)有限公司 | ROM code extraction verification method and device based on layout |
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| CN112347723A (en) * | 2020-10-31 | 2021-02-09 | 拓维电子科技(上海)有限公司 | ROM code extraction verification method and device based on layout |
| CN112347723B (en) * | 2020-10-31 | 2023-06-23 | 拓维电子科技(上海)有限公司 | Layout-based ROM code extraction verification method and device |
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