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71M6521FE Datasheet(PDF) 88 Page - Teridian Semiconductor Corporation |
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71M6521FE Datasheet(HTML) 88 Page - Teridian Semiconductor Corporation |
88 / 101 page 71M6521DE/71M6521FE Energy Meter IC DATASHEET JANUARY 2008 Page: 88 of 101 © 2005-2008 TERIDIAN Semiconductor Corporation v1.0 PERFORMANCE SPECIFICATIONS INPUT LOGIC LEVELS PARAMETER CONDITION MIN TYP MAX UNIT Digital high-level input voltage †, V IH 2 V Digital low-level input voltage †, V IL 0.8 V Input pull-up current, IIL E_RXTX, E_RST, CKTEST Other digital inputs VIN=0V, ICE_E=1 10 10 -1 0 100 100 1 µA µA µA Input pull down current, IIH ICE_E PB Other digital inputs VIN=V3P3D 10 -1 -1 0 0 100 1 1 µA µA µA †In battery powered modes, digital inputs should be below 0.3V or above 2.5V to minimize battery current. OUTPUT LOGIC LEVELS PARAMETER CONDITION MIN TYP MAX UNIT ILOAD = 1mA V3P3D –0.4 V Digital high-level output voltage VOH ILOAD = 15mA V3P3D- 0.6 V ILOAD = 1mA 0 0.4 V Digital low-level output voltage VOL ILOAD = 15mA 0.8 V OPT_TX VOH (V3P3D-OPT_TX) ISOURCE=1mA 0.4 V OPT_TX VOL ISINK=20mA 0.7 V POWER-FAULT COMPARATOR PARAMETER CONDITION MIN TYP MAX UNIT Offset Voltage V1-VBIAS -20 +15 mV Hysteresis Current V1 Vin = VBIAS - 100mV 0.8 1.2 μA Response Time V1 +100mV overdrive 2 5 10 μs WDT Disable Threshold (V1-V3P3A) -400 -10 mV BATTERY MONITOR BME=1 PARAMETER CONDITION MIN TYP MAX UNIT Load Resistor 27 45 63 kΩ LSB Value - does not include the 9-bit left shift at CE input. FIR_LEN=0 FIR_LEN=1 -6.0 -2.6 -5.4 -2.3 -4.9 -2.0 μV μV Offset Error -200 -72 +100 mV |
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