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ST52T430 数据表(PDF) 69 Page - STMicroelectronics |
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ST52T430 数据表(HTML) 69 Page - STMicroelectronics |
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69 / 88 page  ST52T430/E430 69/88 Table 12.1 Voltage Characteristics Symbol Ratings Maximum Value Unit VDD-VSS Supply voltage 6.5 V VDDA-VSSA Analog reference voltage(VDD≥VDDA)6.5 |∆V DDA|and |∆VSSA| Variation between different digital power pins 50 mV |VSSA-VSSX| Variation between digital and analog ground pins 50 VIN Input voltage on Vpp VSS-0.3 to 13 V Input voltage on any other pin 1) & 2) VSS-0.3 to VDD+0.3 VDESD Electro-static discharge voltage 2000 Table 12.2 Current Characteristics Symbol Ratings Maximum Value Unit IVDD Total current in VDD power lines (source) 3) 100 mA IVSS Total current in VSS ground lines (sink) 3) 100 IIO Output current sunk by any standard I/O and control pin 25 Output current source by any I/Os and control pin -25 IINJ(PIN) Injected current on VPP pin ±5 Injected current on RESET pin ±5 Injected current on OSCin and OSCout pins ±5 Injected current on any other pin 4) ±5 ΣI INJ(PIN) Total Injected current (sum of all I/O and control pins) 4) ±20 Table 12.3 Thermal Characteristics Symbol Ratings Maximum Value Unit TSTG Storage temperature range -65 to +150 °C TJ Maximum junction temperature 150 °C Notes: 1. Connecting RESET and I/O Pins directly to VDD or VSS could damage the device if the unintentional internal reset is generated or an unexpected change of I/O configuration occurs (for example, due to the corrupted program counter). In order to guarantee safe operation, this connection has to be performed via a pull-up or pull-down resistor (typical: 4.7k Ω for RESET, 10K Ω for I/Os). Unused I/O pins must be tied in the same manner to VDD or VSS according to their reset configuration. 2. When the current limitation is not possible, the VIN absolute maximum rating must be respected, otherwise refer to I INJ(PIN) specification. A positive injection is induced by VIN>VDD while a negative injection is induced by VIN<VSSto I INJ(PIN) specification. A positive injection is VIN>VDD while a negative injection is induced by VIN<VSS. 3. All power (VDD) and ground (VSS) lines must always be connected to the external supply. 4. When several inputs are submitted to a current injection, the maximum ΣI INJ(PIN) is the absolute sum of the positive and negative injected currents (instantaneous values). |
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