DESCRIPTION
The HI-8421 is a 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 CE and OE pins.

FEATURES
• Six independent 28 Volt / Open sensing channels
• 5.0 V single supply operation
• Low power CMOS technology
• Military processing options available
• Drop in replacement for DEI1054