6-Channel / 8-Channel Discrete-to-Digital Interface Sensing 28V / Open Signals
The HI-8421 is a six channel discrete-to-digital interface device.The HI-8424 has eight channels. Mixed-signal CMOS technology is used to provide superior low-power performance. The device inputs are configured to sense 28V / Open discrete signals. The device outputs areCMOS / TTL compatible and may be disabled (tri-state) using the and pins. The HI-8421 is a 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 in a single device.
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HI-8424, HI-8421
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