MBIST Algorithm - Testing algorithm
MBIST 有許多測試算法, 針對不同製程及不同缺陷產生. 會有不同的運算測試方法. 我們建議如下,
自動化軟體的好處, 就是隨選既產生相應電路. 避免人為耗時及除錯等非必要問題產生
for Emerging Market
|
Technology node |
Testing algorithm |
Memory defect |
|
180nm/130nm/110nm/90nm |
March C-, March C, March C+ |
SAF, TF, AF, CFin, CFid, CFst |
|
55nm/40nm |
March C-, March C, March C+, March LR, MOVI |
SAF, TF, AF, CFin, CFid, CFst, SOF, RDF |
|
28nm/16nm/12nm |
March 33N, CROWN |
SAF, TF, AF, CFin, CFid, CFst, SOF, RDF, dRDF, dIRF, dDRDF, dTF, dWDF |
|
7nm/5nm/3nm |
POLARIS |
SAF, TF, AF, CFin, CFid, CFst, SOF, RDF, dRDF, dIRF, dDRDF, dTF, dWDF, Word-oriented CF |
|
Specific request |
Testing algorithm |
|
Retention test |
March RET, March MDSN |
|
Memory with write enable |
Non-March BM |
|
Dedicated test column or row |
Fast_X, Fast_Y |
|
Automotive electronics |
ECC |
for Emerging Market
|
Application |
Technology node |
Suggested algorithm |
|
AI (Video) |
40nm, 28nm, 16nm, 12nm, 7nm, 5nm, 3nm |
March 33N, CROWN, POLARIS |
|
AI (Audio) |
55nm, 40nm, 28nm |
March C+, March C, March 33N |
|
AI (Blockchain) |
28nm, 16nm12nm, 7nm, 5nm, 3nm |
March 33N, CROWN, POLARIS |
|
Security |
55nm, 40nm, 28nm |
MOVI, March C+, Non-March BM, March MDSN, March 33N |
|
Wireless (WiFi or BLE) |
55nm, 40nm, 28nm |
March C+, Non-March BM, March RET |
|
Audio |
55nm, 40nm, 28nm |
MOVI, March C+, March C, Non-March BM, March RET, March 33N |
|
TCON |
55nm, 40nm, 28nm |
MOVI, March C+, March 33N |
|
Fingerprint recognition |
180nm, 130nm, 110nm, 55nm, 28nm |
MOVI, March C+, March C, Non-March BM, March RET, March 33N |
for Programming type
|
Programming Type |
Suggested algorithm |
|
Most of instructions are related to Load/Store |
March C+, March 33N, CROWN, POLARIS |
|
Most of instructions are related to Branch |
MOVI, March C+, March C |
|
Most of instructions are related to VLIW and SIMD |
March C+, March 33N, CROWN, POLARIS |
|
Most of instructions are related to ALU |
MOVI, March C+, Non-March BM, March MDSN, March 33N |
for Automotive
|
Suggested algorithm |
Note |
|
March CW |
The March CW algorithm is a word-oriented test algorithm for embedded memory. It has highest fault coverage than other algorithms. |
|
March 33N |
The March 33N minimal March test algorithm is introduced for detection of all two-operation single-cell dynamic faults. |
|
Non-March BM |
The Non-March BM is used to detect bit/group write enable faults and datapath shorts. |
|
Suggested algorithm |
Note |
|
March Weak WL @2P |
The March Weak WL @2P for two port memories in advance manufacturing technologies |
|
March C+ @2P |
The March C+ @2P algorithm detects normally memory fault in two ports memory |
|
March A2PF-M |
The March A2PF-M algorithm for dual port memories in advance manufacturing technologies |
|
March C+ @DP |
The March C+ @DP algorithm detects normally memory fault in dual port memory |
歡迎詢問 alex.jou@istart-tek.com.tw
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