The PSD4121F1V-70U is a 80-pin TQFP microcontroller from Stmicroelectronics with a typical operating supply voltage of 3.3V, a minimum operating supply voltage of 3V, and a maximum operating supply voltage of 3.6V. It has a minimum operating temperature of 0°C and a maximum operating temperature of 70°C. The device is mounted using surface mount technology and has a package material of plastic with a seated plane height of 1.2mm and a maximum package height of 1.05mm. The package dimensions are 12mm in length, 12mm in width, and 0.5mm in pin pitch.
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| Basic Package Type | Lead-Frame SMT |
| Package Family Name | QFP |
| Package/Case | TQFP |
| Package Description | Thin Quad Flat Package |
| Lead Shape | Gull-wing |
| Pin Count | 80 |
| PCB | 80 |
| Package Length (mm) | 12 |
| Package Width (mm) | 12 |
| Package Height (mm) | 1.05(Max) |
| Seated Plane Height (mm) | 1.2(Max) |
| Pin Pitch (mm) | 0.5 |
| Package Material | Plastic |
| Mounting | Surface Mount |
| Jedec | MS-026ADD |
| Typical Operating Supply Voltage | 3.3V |
| Min Operating Supply Voltage | 3V |
| Max Operating Supply Voltage | 3.6V |
| Min Operating Temperature | 0°C |
| Max Operating Temperature | 70°C |
| Cage Code | SCR76 |
| EU RoHS | Yes |
| HTS Code | 8542390001 |
| Schedule B | 8542390000 |
| Automotive | No |
| AEC Qualified | No |
| PPAP | No |
| Radiation Hardening | No |
| RoHS Versions | 2011/65/EU, 2015/863 |
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