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| PartNumber | 71M6543HT-IGTR/F | 71M6543HT-IGT/F | 71M6545-IGT/F |
| Description | Metering Systems on a Chip - SoC Energy Meter ICs | Metering Systems on a Chip - SoC Energy Meter ICs | Systems on a Chip - SoC Metering Systems on a Chip - SoC Metrology Proc. (3P 64K Flsh .1%) |
| Manufacturer | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Product Category | Metering Systems on a Chip - SoC | Metering Systems on a Chip - SoC | PMIC - Energy Metering |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | LQFP-100 | LQFP-100 | - |
| Series | 71M6543H | 71M6543H | Single Converter TechnologyR |
| Core | 80515 | 80515 | 80515 |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 5 MHz | 5 MHz | 5 MHz |
| Program Memory Size | 64 kB | 64 kB | 64 kB |
| Data RAM Size | 5 kB | 5 kB | 5 kB |
| ADC Resolution | 22 bit | 22 bit | 22 bit |
| Number of I/Os | 51 I/O | 51 I/O | - |
| Operating Supply Voltage | 3.3 V | 3.3 V | 3.3 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Reel | Reel | Tray |
| Program Memory Type | Flash | Flash | Flash |
| Brand | Maxim Integrated | Maxim Integrated | - |
| Data RAM Type | RAM | RAM | RAM |
| Interface Type | I2C, UART | I2C, UART | I2C UART |
| Number of Timers/Counters | 2 x 16 bit | 2 x 16 bit | - |
| Processor Series | 80515 | 80515 | 80515 |
| Product Type | SOC - Metering Systems on a Chip | SOC - Metering Systems on a Chip | - |
| Factory Pack Quantity | 1500 | 90 | - |
| Subcategory | SOC - Systems on a Chip | SOC - Systems on a Chip | - |
| Part # Aliases | 71M6543HT 90-W654T+T06 | 71M6543HT 90-W654T+X06 | 71M6545 90-W6540+X05 |
| Unit Weight | 0.046530 oz | 0.046530 oz | 0.012088 oz |
| Package Case | - | - | LQFP-64 |
| Operating Temperature | - | - | -40°C ~ 85°C |
| Mounting Type | - | - | Surface Mount |
| Voltage Supply | - | - | 3 V ~ 3.6 V |
| Supplier Device Package | - | - | 64-LQFP (10x10) |
| Current Supply | - | - | - |
| Input Impedance | - | - | - |
| Measurement Error | - | - | 0.001 |
| Voltage I O High | - | - | 2V |
| Voltage I O Low | - | - | 0.8V |
| Meter Type | - | - | 3 Phase |
| Number of I Os | - | - | 29 I/O |
| Number of Timers Counters | - | - | 2 x 16 bit |