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ST7DALIF2 bảng dữ liệu(PDF) 128 Page - STMicroelectronics |
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ST7DALIF2 bảng dữ liệu(HTML) 128 Page - STMicroelectronics |
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128 / 171 page ![]() Electrical characteristics ST7DALIF2 128/171 Figure 54. Pin input voltage 20.2 Absolute maximum ratings Stresses above those listed as “absolute maximum ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device under these conditions is not implied. Exposure to maximum rating conditions for extended periods may affect device reliability. VIN ST7 PIN Table 62. Voltage characteristics Symbol Ratings Maximum value Unit VDD - VSS Supply voltage(1) 1. All power (VDD) and ground (VSS) lines must always be connected to the external supply. 7.0 V VIN Input voltage on any pin (2) 2. Directly connecting the I/O pins to VDD or VSS could damage the device if an unexpected change of the I/O configuration occurs (for example, due to a corrupted program counter). To guarantee safe operation, this connection has to be done through a pull-up or pull-down resistor (typical: 10kW for I/Os). Unused I/O pins must be tied in the same way to VDD or VSS according to their reset configuration. V SS-0.3 to VDD+0.3 VESD(HBM) Electrostatic discharge voltage (Human Body Model) see Section 20.7.3 on page 142 V |
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