| 1987.0487.141 | Texas Instruments Collection | Object |
| Integrated Circuits - 1973 TI number: G00244 The display contains two SN7420N units which were from the first lot of IC's produced in Brazil - Campinas, January 26, 1973. These units were from the first molding lot, January 26, 1973. No date code was applied because units from this lot were to be used for qualification and evaluation by QRA. |
| Texas Instruments (Ed Gonzalez.)
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