MAS9171A

www.DataSheet4U.com DA9171A.000 July 31, 1997 MAS9171A OCTAL PORT PROTECTON Parallel In, Parallel Out High Voltage Inputs Automotive 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 voltages provide the functionality within a noise spectrum of 150 kHz up to 1 GHz without need of external filter components. The MAS9171A is optimized for low current consumption. FEATURES 8 digital channels Supply voltage 3.3 V/5 V Low supply current High voltage inputs Internal analog filter -40°C to +125°C SO-18 package APPLICATION Replacement of protection circuitry in car electronics and industrial bus systems BLOCK DIAGRAM VDD IN1 IN2 IN3 IN4 IN5 IN6 IN7 IN8 OUT1 OUT2 OUT3 OUT4 PROTECT FILTER COMP OUT5 OUT6 OUT7 OUT8 GND 1 www.DataSheet4U.com DA9171A.000 July 31, 1997 PIN CONFIGURATION  ¢¡¤£¦¥ § ¡¨¥ © § ¡¨©  § ¡  § ¡  § ¡  § ¡¨  § ¡¨  § ¡¨  ¥ !£"£ ¥ $#!%'&¨¥  ¥$#!%'&¨© ¥()#!%'& ¥()#!%'& ¥()#!%'& ¥©$#!%'&¨ ¥¥$#!%'&¨ ¥0$#!%'&¨ PIN DESCRIPTION Pin Name GND IN1 IN2 IN3 IN4 IN5 IN6 IN7 IN8 OUT8 OUT7 OUT6 OUT5 OUT4 OUT3 OUT2 OUT1 VDD Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Type G I I I I I I I I O O O O O O O O P Function Ground Digital Input 1 Digital Input 2 Digital Input 3 Digital Input 4 Digital Input 5 Digital...