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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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STM32F405XX 데이터시트(PDF) 84 Page - STMicroelectronics |
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STM32F405XX 데이터시트(HTML) 84 Page - STMicroelectronics |
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84 / 154 page  Electrical characteristics STM32F405xx, STM32F407xx 84/154 Doc ID 022152 Rev 1 Table 37. Flash memory endurance and data retention 5.3.13 EMC characteristics Susceptibility tests are performed on a sample basis during device characterization. Functional EMS (electromagnetic susceptibility) While a simple application is executed on the device (toggling 2 LEDs through I/O ports). the device is stressed by two electromagnetic events until a failure occurs. The failure is indicated by the LEDs: ● Electrostatic discharge (ESD) (positive and negative) is applied to all device pins until a functional disturbance occurs. This test is compliant with the IEC 61000-4-2 standard. ● FTB: A burst of fast transient voltage (positive and negative) is applied to VDD and VSS through a 100 pF capacitor, until a functional disturbance occurs. This test is compliant with the IEC 61000-4-4 standard. Table 36. Flash memory programming with VPP (1) 1. TBD stands for “to be defined”. Symbol Parameter Conditions Min(2) Typ Max(2) 2. Guaranteed by design, not tested in production. Unit tprog Double word programming TA = 0 to +40 °C - 16 100(3) 3. The maximum programming time is measured after 100K erase operations. µs tERASE16KB Sector (16 KB) erase time - TBD - tERASE64KB Sector (64 KB) erase time - TBD - tERASE128KB Sector (128 KB) erase time - TBD - tME Mass erase time - 6.8 - Vprog Programming voltage 2.7 - 3.6 V VPP VPP voltage range 7 - 9 V IPP Minimum current sunk on the VPP pin 10 - - mA tVPP (4) 4. VPP should only be connected during programming/erasing. Cumulative time during which VPP is applied - - 1 hour Symbol Parameter Conditions Value Unit Min(1) 1. Based on characterization, not tested in production. NEND Endurance TA = –40 to +85 °C (6 suffix versions) TA = –40 to +105 °C (7 suffix versions) 10 kcycles tRET Data retention 1 kcycle(2) at TA = 85 °C 2. Cycling performed over the whole temperature range. 30 Years 1 kcycle(2) at TA = 105 °C 10 10 kcycles(2) at TA = 55 °C 20 |
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