Overview
Description
The single event effects and total dose radiation hardened IS-139ASRH, IS-139ASEH consist of four independent single or dual supply voltage comparators on a single monolithic substrate. The common mode input voltage range includes ground, even when operated from a single supply, and the low supply current makes these comparators suitable for low power applications. These types were designed to directly interface with TTL and CMOS inputs. The IS-139ASRH, IS-139ASEH are fabricated on our dielectrically isolated Rad Hard Silicon Gate (RSG) process, which provides immunity to single event latch-up and the capability of highly reliable performance in any radiation environment. Specifications for Rad Hard QML devices are controlled by the Defense Logistics Agency Land and Maritime (DLA). The SMD numbers listed below must be used when ordering. Detailed Electrical Specifications for the IS-139ASRH, IS-139ASEH are contained in SMD 5962-01510.
Features
- Electrically Screened to SMD # 5962-01510
- QML Qualified per MIL-PRF-38535 Requirements
- Radiation Hardness
- Total Dose: 300krad(Si) (Max)
- Single Event Latch-up: >84MeV/mg/cm2
- Single Event Upset: >84MeV/mg/cm2
- Operating Supply Voltage Range: 9V to 30V
- Input Offset Voltage (VIO): 5mV (Max)
- Quiescent Supply Current: 3mA (Max)
- Differential Input Voltage Range Equal to the Supply Voltage
Comparison
Applications
Documentation
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Type | Title | Date |
Datasheet | PDF 153 KB | |
Report | PDF 340 KB | |
Brochure | PDF 467 KB | |
Price Increase Notice | PDF 360 KB | |
Other | ||
Report | PDF 178 KB | |
Report | PDF 1.05 MB | |
Application Note | PDF 338 KB | |
Application Note | PDF 224 KB | |
9 items
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Design & Development
Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on the CAD Model links in the Product Options table. If a symbol or model isn't available, it can be requested directly from SamacSys.

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