HSN-1000 - Designed In Rad-Hard w/Event Flag0 pages

HSN-1000
Nuclear Event Detector
VB
8
9
VH
VL
14
Threshold
Adjust
1
10 k
Ω
2
Detector
(Pin Diode)
BIT 6
Amplifier
NED
Pulse Timer
LED
7
GND
5
C
4
RC
Logic Diagram
DESCRIPTION:
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Maxwell Technologies’ HSN-1000 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 output 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 recovery. This high-speed, 14-pin hybrid detector is used in electronic
systems as a general-purpose circumvention device to protect
memory, stop data processing, and drive power supply switches
as well as signal clamps.
Detects ionizing radiation pulses
100% tested/certified detection threshold level
Adjustable circumvention period
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:
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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
The HSN-1000 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 addition, 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-1000’s detection level and functionality are
tested in an ionizing dose rate environment. A certificate is provided 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-1000 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.
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Manufactured for Maxwell Technologies by Teledyne Microelectronic
Technologies to MIL-PRF-38534, Class H, no RHA
(858) 503-3300 - Fax: (858) 503-3301 - www.maxwell.com
01.07.05 Rev 3
All data sheets are subject to change without notice
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©2005 Maxwell Technologies
All rights reserved.
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