| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| SJ 20289-1993 | English | 1039 |
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detail specification for JT54LS390, JT54LS393, JT54LS490 types counters of LS-TTL semiconductor integrated circuits
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SJ 20289-1993
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SJ 20289-1993
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