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71M6543HT-IGTR/F 数据表(PDF) 12 Page - Maxim Integrated Products |
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71M6543HT-IGTR/F 数据表(HTML) 12 Page - Maxim Integrated Products |
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12 / 75 page ![]() Maxim Integrated │ 12 71M6543FT/71M6543HT/ 71M6543GT/71M6543GHT Energy Meter ICs www.maximintegrated.com Electrical Characteristics (continued) (Limits are production tested at TA = +25°C. Limits over the operating temperature range and relevant supply voltage range are guaran- teed by design and characterization.) PARAMETER CONDITIONS MIN TYP MAX UNITS FLASH MEMORY Endurance 20,000 Cycles Data Retention TA = +25°C 100 Years Byte Writes Between Erase Operations 2 Cycles Write Time, per byte Per 2 bytes if using SPI 50 µs Page Erase Time 22 ms Mass Erase Time 22 ms SPI Data-to-Clock Setup Time 10 ns Data Hold Time From Clock 10 ns Output Delay, Clock to Data 40 ns CS-to-Clock Setup Time 10 ns Hold Time, CS to Clock 15 ns Clock High Period 40 ns Clock Low Period 40 ns ClockFrequency(asamultiple ofCPUfrequency) 2.0 MHz/MHz Space between SPI Transactions 4.5 CPU Cycles EEPROM INTERFACE I2CSCLFrequency MPU clock = 4.9MHz, using interrupts 310 kHz MPU clock = 4.9MHz, bit-banging DIO2-DIO3 100 3-WireWriteClockFrequency MPU clock = 4.9MHz, PLL_FAST = 0 160 kHz MPU clock = 4.9MHz, PLL_FAST = 1 490 RESET Reset Pulse Width (Note 1) 5 µs Reset Pulse Fall Time (Note 1) 1 µs INTERNAL CALENDAR Year Date Range 2000 2255 Years |
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