71M6531D Datasheet, PDF (4/115 Pages) Teridian Semiconductor Corporation – Energy Meter IC

Data Sheet 71M6531D/F-71M6532D/F
FDS 6531/6532 005
4.3.11 CE Flow Diagrams ......................................................................................................... 93
5 Electrical Specifications................................................................................................................... 95
5.1 Absolute Maximum Ratings ....................................................................................................... 95
5.2 Recommended External Components....................................................................................... 96
5.3 Recommended Operating Conditions........................................................................................ 96
5.4 Performance Specifications ....................................................................................................... 97
5.4.1 Input Logic Levels .......................................................................................................... 97
5.4.2 Output Logic Levels ....................................................................................................... 97
5.4.3 Power-Fault Comparator ............................................................................................... 97
5.4.4 Battery Monitor............................................................................................................... 97
5.4.5 Supply Current ............................................................................................................... 98
5.4.6 V3P3D Switch ................................................................................................................ 98
5.4.7 2.5 V Voltage Regulator................................................................................................. 98
5.4.8 Low-Power Voltage Regulator ....................................................................................... 98
5.4.9 Crystal Oscillator............................................................................................................ 99
5.4.10 LCD DAC ....................................................................................................................... 99
5.4.11 LCD Drivers ................................................................................................................... 99
5.4.12 Optical Interface............................................................................................................. 99
5.4.13 Temperature Sensor .................................................................................................... 100
5.4.14 VREF ........................................................................................................................... 100
5.4.15 ADC Converter, V3P3A Referenced ........................................................................... 101
5.5 Timing Specifications ............................................................................................................... 102
5.5.1 Flash Memory .............................................................................................................. 102
5.5.2 EEPROM Interface ...................................................................................................... 102
5.5.3 RESET ......................................................................................................................... 102
5.5.4 RTC.............................................................................................................................. 102
5.5.5 SPI Slave Port (MISSION Mode)................................................................................. 103
5.6 Typical Performance Data ....................................................................................................... 104
5.7 Package Outline....................................................................................................................... 105
5.8 71M6531D/F Package ............................................................................................................. 105
5.8.1 71M6531D/F Pinout (QFN-68)..................................................................................... 106
5.8.2 Recommended PCB Land Pattern for the QFN-68 Package ...................................... 107
5.9 71M6532D/F Package ............................................................................................................. 108
5.9.1 71M6532D/F Pinout (LQFP-100)................................................................................. 108
5.9.2 LQFP-100 Mechanical Drawing................................................................................... 109
5.10 Pin Descriptions ....................................................................................................................... 110
5.10.1 Power and Ground Pins............................................................................................... 110
5.10.2 Analog Pins.................................................................................................................. 110
5.10.3 Digital Pins: .................................................................................................................. 111
5.10.4 I/O Equivalent Circuits ................................................................................................. 111
6 Ordering Information ...................................................................................................................... 113
7 Related Information ........................................................................................................................ 113
8 Contact Information ........................................................................................................................ 113
Appendix A: Acronyms .......................................................................................................................... 114
Appendix B: Revision History ............................................................................................................... 115
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