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STM32F101X4 Datasheet(PDF) 49 Page - STMicroelectronics |
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STM32F101X4 Datasheet(HTML) 49 Page - STMicroelectronics |
49 / 73 page STM32F101x4, STM32F101x6 Electrical characteristics Doc ID 15058 Rev 3 49/74 Electromagnetic Interference (EMI) The electromagnetic field emitted by the device is monitored while a simple application is executed (toggling 2 LEDs through the I/O ports). This emission test is compliant with IEC61967-2 standard which specifies the test board and the pin loading. 5.3.11 Absolute maximum ratings (electrical sensitivity) Based on three different tests (ESD, LU) using specific measurement methods, the device is stressed in order to determine its performance in terms of electrical sensitivity. Electrostatic discharge (ESD) Electrostatic discharges (a positive then a negative pulse separated by 1 second) are applied to the pins of each sample according to each pin combination. The sample size depends on the number of supply pins in the device (3 parts × (n+1) supply pins). This test conforms to the JESD22-A114/C101 standard. Static latch-up Two complementary static tests are required on six parts to assess the latch-up performance: ● A supply overvoltage is applied to each power supply pin ● A current injection is applied to each input, output and configurable I/O pin These tests are compliant with EIA/JESD 78 IC latch-up standard. Table 30. EMI characteristics Symbol Parameter Conditions Monitored frequency band Max vs. [fHSE/fHCLK] Unit 8/36 MHz SEMI Peak level VDD 3.3 V, TA 25 °C, LQFP100 package compliant with IEC 61967-2 0.1 MHz to 30 MHz 7 dBµV 30 MHz to 130 MHz 8 130 MHz to 1GHz 13 SAE EMI Level 3.5 - Table 31. ESD absolute maximum ratings Symbol Ratings Conditions Class Maximum value(1) 1. Based on characterization results, not tested in production. Unit VESD(HBM) Electrostatic discharge voltage (human body model) TA +25 °C conforming to JESD22-A114 2 2000 V VESD(CDM) Electrostatic discharge voltage (charge device model) TA +25 °C conforming to JESD22-C101 II 500 Table 32. Electrical sensitivities Symbol Parameter Conditions Class LU Static latch-up class TA +85 °C conforming to JESD78A II level A |
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