MAS9171AS MAS [Micro Analog systems], MAS9171AS Datasheet
MAS9171AS
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MAS9171AS Summary of contents
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DESCRIPTION The MAS9171A is an eight channel protection circuit for microprocessors in automotive applications. All inputs are protected against energy rich pulses according to DIN40839/ISO7637. Internal analog filters and suitable input threshold FEATURES 8 digital channels Supply voltage 3.3 V/5 ...
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PIN CONFIGURATION PIN DESCRIPTION Pin Name Pin GND 1 IN1 2 IN2 3 IN3 4 IN4 5 IN5 6 IN6 7 IN7 8 IN8 9 OUT8 10 OUT7 11 OUT6 12 OUT5 13 OUT4 14 OUT3 15 OUT2 16 OUT1 ...
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ABSOLUTE MAXIMUM RATINGS Parameter Supply Voltage Input Voltage ESD Voltage Output Current (Note 1) Ambient Temperature Storage Temperature RECOMMENDED OPERATION CONDITIONS Parameter Symbol Supply Voltage V Supply Current I DD ELECTRICAL CHARACTERISTICS Parallel input port Parameter Input High Voltage (Note ...
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FUNCTIONS Input protection The input protection is composed of a high voltage thin film series resistor, a metal-to-metal capacitor to ground and a Zener diode to GND. The circuit provides the ability of withstanding energy rich voltage pulses as well ...
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APPLICATION INFORMATION GENERAL In the late 70ties microcontrollers have been introduced into most of the low cost applications in the field of consumer, industrial and automotive. Lowest cost 8-Bit microcontrollers are used in modern computer monitors for user programmable adjustment ...
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APPLICATION INFORMATION INPUT PROTECTION USING MAS9171A The MAS9171A is a eight channel protection circuit for microprocessors in automotive applications that may be used in industrial applications as well. All inputs are protected against energy rich pulses according to DIN40839/ISO7637. Internal ...
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APPLICATION INFORMATION Fig. 5 shows how to use the MAS9171A to detect the condition of switches V Bat V Ignition Fig. 5: Application Circuit (Detection of Switches) IMPORTANT ! The MAS9171A shall be placed closely to the microprocessor to avoid ...
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DEVICE PACKAGE OUTLINES 18 LEAD SO OUTLINE (300 MIL BODY) 0.33 x 45° 5° TYP. 5° TYP. 5° TYP. 0.86 TYP. 1.27 5° TYP. TYP. 5°TYP 0.94 1.12 0.25 RAD. MIN. 10.01 10.64 PIN 1 DA9171A.000 July 31, 1997 0-0.13 ...
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... ORDERING INFORMATION Product Code Product MAS9171AS OCTAL Port Protection MAS9171AS-T OCTAL Port Protection LOCAL DISTRIBUTOR MICRO ANALOG SYSTEMS OY CONTACTS Micro Aanalog Systems Oy Kamreerintie 2, P.O.Box 51 FIN-02771 ESPOO, FINLAND NOTICE Micro Aanalog Systems Oy reserves the right to make changes to the products contained in this data sheet in order to improve the design or performance and to supply the best possible products ...