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HSN-3000F Datasheet(PDF) 1 Page - Maxwell Technologies |
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HSN-3000F Datasheet(HTML) 1 Page - Maxwell Technologies |
1 / 5 page 1 All data sheets are subject to change without notice (858) 503-3300 - Fax: (858) 503-3301 - www.maxwell.com Nuclear Event Detector HSN-3000 ©2005 Maxwell Technologies All rights reserved. 01.07.05 Rev 3 FEATURES: • Detects ionizing radiation pulses • 100% tested/certified detection threshold level • Adjustable circumvention period • Flag remembers event occurred • 100% testable with built-in test • Detection threshold adjustability • Single +5V operation • Radiation hardness guaranteed • Compliant to MIL-PRF-38534 Class H1 • Flat pack (F) or DIP (L) packages RADIATION HARDNESS CHARACTERISTICS: • Dose Rate (operate-through): 1 x 1012 rad(Si)/sec • Total Dose: 1 x 106 rad(Si) • Neutron Fluence: 5 x 1013 n/cm2 • Approximate Detection Range: 2 x 105 - 2 x 107 rad(Si)/sec • Maxwell Technologies Specified, Controlled, Tested and Guaranteed DESCRIPTION: Maxwell Technologies’ HSN-3000 radiation-hardened Hybrid Nuclear Event Detector (NED) senses ionizing radiation pulses generated by a nuclear event, such as the detonation of a nuclear weapon, and rapidly switches its outputs from the normal high state to a low state with a propagation delay time of less than 20ns. The active low Nuclear Event Detection signal (NED) is used to initiate a wide variety of circumvention functions, thus preventing upset and burnout of electronic components. The NED output is also used to initiate both hardware and software recov- ery. The Nuclear Evet Flag signal (NEF) remembers the event occurred and is used to distinguish between an actual event and power up. The signal input of either Flag Reset or Flag Reset can be used to reset the NEF output. This high-speed, 14-pin hybrid detector is used in electronic systems as a general-purpose cir- cumvention device to protect memory, stop data processing, and drive power supply switches as well as signal clamps. The HSN-3000 is guaranteed to operate through three critical environments: ionizing dose rate [1012 rad(Si)/s], gamma total dose [106 rad(Si)], and neutron fluence [5 x 1013 n/cm2]. In addi- tion, the device is designed to function throughout the transient neutron pulse. The hybrid’s discrete design ensures a controlled response in these radiation environments as well as immunity to latchup. Each HSN-3000’s detection level and functionality are tested in an ionizing dose rate environment. A certificate is pro- vided with each serialized hybrid, reporting the radiation test results and guaranteeing its performance. The device is also lot qualified in the total dose and neutron environments to ensure performance. The detection threshold of the HSN-3000 is adjustable within the range of 2 x 105 rad(Si)/s to 2 x 107 rad(Si)/s. This detection level can be preset by Maxwell or adjusted by the user. Less than a 30% variation in detection threshold can be expected over the entire operating temperature range. 1. Manufactured for Maxwell Technologies by Teledyne Microelectronic Technologies to MIL-PRF-38534, Class H, No RHA Detector (Pin Diode) Amplifier Pulse Timer LED Logic Latch 12 4 5 7 6 8 9 14 1 2 13 11 V H V L Threshold Adjust V B BIT GND CRC Flag Reset Flag Reset NEF NED 10 k Ω 10 k Ω Logic Diagram |
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