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MC34931 Datasheet(PDF) 4 Page - Freescale Semiconductor, Inc |
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MC34931 Datasheet(HTML) 4 Page - Freescale Semiconductor, Inc |
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4 / 25 page  Analog Integrated Circuit Device Data 4 Freescale Semiconductor 34931 PIN CONNECTIONS 29 IN2 Logic Input Input 2 Logic input control of OUT2;e.g., when IN2 is logic HIGH, OUT2 is set to VPWR, and when IN2 is logic LOW, OUT2 is set to PGND. (Schmitt trigger Input with ~80 μA source so default condition = OUT2 HIGH.) 31 IN1 Logic Input Input 1 Logic input control of OUT1; e.g., when IN1 is logic HIGH, OUT1 is set to VPWR, and when IN1 is logic LOW, OUT1 is set to PGND. (Schmitt trigger Input with ~80 μA source so default condition = OUT1 HIGH.) 32 SF Logic Output - Open Drain Status Flag (Active Low) Open drain active LOW Status Flag output (requires an external pull-up resistor to VDD. Maximum permissible load current < 0.5 mA. Maximum VSFLOW < 0.4 V @ 0.3 mA. Maximum permissible pull-up voltage < 7.0 V.) 1 AGND Analog Ground Analog Signal Ground The low-current analog signal ground must be connected to PGND via low- impedance path (<10 m Ω, 0 Hz to 20 kHz). 4, 6, 9, 12-14, 19-21, 24, 27, 30 N/C None No Connect Pin is not used EP EP Thermal Pad Exposed Pad Exposed TAB is also the main heatsinking path for the device and must be connected to GND. Table 1. 34931 Pin Definitions (continued) Pin Number Pin Name Pin Function Formal Name Definition |
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