71M6521DE TERIDIAN [Teridian Semiconductor Corporation], 71M6521DE Datasheet - Page 4

• Manufacturer Part Number: 71M6521DE
• Description: Energy Meter IC
• Manufacturer: TERIDIAN [Teridian Semiconductor Corporation]

ELECTRICAL SPECIFICATIONS ................................................................................................................................86
Page: 4 of 101
ABSOLUTE MAXIMUM RATINGS ................................................................................................................86
RECOMMENDED EXTERNAL COMPONENTS ...........................................................................................87
RECOMMENDED OPERATING CONDITIONS ............................................................................................87
PERFORMANCE SPECIFICATIONS ............................................................................................................88
TIMING SPECIFICATIONS ...........................................................................................................................92
PACKAGE OUTLINE (LQFP 64) ...................................................................................................................94
PACKAGE OUTLINE (QFN 68) .....................................................................................................................95
PINOUT (LQFP-64) .......................................................................................................................................96
PINOUT (QFN 68) .........................................................................................................................................96
Recommended PCB Land Pattern for the QFN-68 Package .........................................................................97
PIN DESCRIPTIONS .....................................................................................................................................98
ORDERING INFORMATION ....................................................................................................................... 101
CE Calculations ...............................................................................................................................80
CE STATUS ....................................................................................................................................80
CE TRANSFER VARIABLES ..........................................................................................................82
INPUT LOGIC LEVELS ...................................................................................................................88
OUTPUT LOGIC LEVELS ...............................................................................................................88
POWER-FAULT COMPARATOR....................................................................................................88
BATTERY MONITOR ......................................................................................................................88
SUPPLY CURRENT ........................................................................................................................89
V3P3D SWITCH ..............................................................................................................................89
2.5V VOLTAGE REGULATOR ........................................................................................................89
LOW POWER VOLTAGE REGULATOR.........................................................................................89
CRYSTAL OSCILLATOR ................................................................................................................90
VREF, VBIAS ..................................................................................................................................90
LCD DRIVERS ................................................................................................................................90
ADC CONVERTER, V3P3A REFERENCED...................................................................................91
OPTICAL INTERFACE....................................................................................................................91
TEMPERATURE SENSOR .............................................................................................................91
FLASH MEMORY TIMING ..............................................................................................................92
EEPROM INTERFACE....................................................................................................................92
RESET and V1 ................................................................................................................................92
RTC .................................................................................................................................................92
TYPICAL PERFORMANCE DATA ..................................................................................................93
Power/Ground Pins:.........................................................................................................................98
Analog Pins: ....................................................................................................................................98
Digital Pins:......................................................................................................................................99
I/O Equivalent Circuits: .................................................................................................................. 100
© 2005-2008 TERIDIAN Semiconductor Corporation
71M6521DE/71M6521FE
Energy Meter IC
DATASHEET
JANUARY 2008
v1.0