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HI-8421PST Datasheet(PDF) 1 Page - Holt Integrated Circuits |
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HI-8421PST Datasheet(HTML) 1 Page - Holt Integrated Circuits |
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1 / 4 page  HOLT INTEGRATED CIRCUITS www.holtic.com HI-8421 DESCRIPTION FEATURES PIN CONFIGURATION The HI-8421 isa six channel discrete-to-digital interface device. Mixed-signal CMOS technology is used to provide superior low-power performance. The HI-8421 has six separate 28 Volt/ open sensing inputs. The device outputs are CMOS/ TTL compatible and may be disabled (tri-state) using the and pins. The device isa drop-in replacement for the DEI1054. For added functionality, the Holt HI-8422 offers eight channels of Open/ Ground sensing and eight channels of 28V/ Ground sensing ina single device. The HI-8421 is offered ina small footprint 16-pin plastic package. Please contact the Holt sales department for other packaging options. CE OE ! ! ! ! ! Six independent 28 Volt/ Open sensing channels 5.0V single supply operation Low power CMOS technology Military processing options available Drop in replacement for DEI1054 HI-8421PS IN1 IN2 IN3 IN4 IN5 IN6 OE CE GND OUT1 OUT2 OUT3 OUT4 OUT5 OUT6 VDD 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 16-Pin Plastic SOIC package (Narrow Body) October 2001 (DS8421 Rev. New) 10/01 Discrete Output Input Open 0 01 28 Volts 0 00 X 1 X HighZ X X 1 HighZ CE OE FUNCTION TABLE + - OUT1 + - OUT2 + - OUT3 + - OUT4 + - OUT5 + - OUT6 BLOCK DIAGRAM OE CE VDD IN1 IN2 IN3 IN4 IN5 IN6 GND 66K 29K 66K 29K 66K 29K 66K 29K 66K 29K 66K 29K 3.6V Reference |
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