News

ARINC 429 Repeater Reference Design Operating without MCU or Software
12/12/2013
Contrary to what one may assume, a repeater is more than simply connecting the output of an ARINC 429 line receiver to the input of a line driver. Such simple solutions usually result in transmitted waveforms that violate ARINC 429 timing requirements. Holt provides an elegant and cost effective solution for an autonomous ARINC 429 repeater using a two-component solution, eliminating microcontroller, software and associated certification costs, and any additional ARINC 429 protocol devices.   Read more
Holt Expands SPI Discrete-to-Digital Sensing IC Family with High Impedance Low-Threshold Device
11/27/2013
Holt Integrated Circuits expands its discrete-to-digital portfolio with the introduction of HI-8437, a 3.3V, 32-channel, discrete-to-digital sensing IC with SPI interface and low threshold sensing capability. The high impedance sense input thresholds and hysteresis are programmable via the 20MHz SPI port in 100mV steps, from 0.4V to 5.2V and all 32 sense output states may be read with a single SPI command. In addition, the device has built-in lightning protection on the sense inputs.   Read more
Holt Releases Drop-In Replacement for DDC MIL-STD-1553 Transceiver BU-63133L8
11/14/2013
Holt Integrated Circuits today announced the introduction of HI-1582, a pin-compatible, “form and fit” drop-in replacement for the Data Device Corporation MIL-STD-1553 transceiver, BU-63133L8. The new device is a single-channel transceiver designed for use with Holt MIL-STD-1553 isolation transformers with 1:2.50 turns ratio.   Read more
ARINC 429 Receiver Operates without MCU
11/8/2013
Holt Integrated Circuits announced the introduction of HI-8475, a novel ARINC 429 receiver designed specifically for use without a microprocessor. All configuration and control is programmed using logic input pins, eliminating the need for a microprocessor or software interface and the related costs for software certification.   Read more
Holt Introduces 200°C High Temperature MIL-STD-1553 Manchester Encoder/Decoder
11/1/2013
Holt Integrated Circuits today announced an extended temperature version of the popular HI-15530, a MIL-STD-1553 encoder/decoder used extensively on legacy military platforms and down-hole drilling applications. The device can operate in the temperature range -55°C to +200°C and is also a drop-in replacement for the Intersil HD-15530.   Read more
Holt Integrated Circuits Presented with Stack International 2012 Gold Supplier Award
10/24/2013
Holt Integrated Circuits was presented with the 2012 Gold Supplier Award by Stack International, a consortium of leading defense and aerospace OEMs committed to component evaluation and source certification. Stack International is comprised of member companies Lockheed Martin, Honeywell International, GE Aviation Systems, Rockwell Collins, Northrop Grumman, United Technologies, Crane Aerospace, Plexus Corporation, Meggitt AB Systems and Aero Engine Controls.   Read more
Holt Introduces MIL-STD-1553 Development Kit with PCIe Interface
10/3/2013
Holt Integrated Circuits today announced the introduction of a new MIL-STD-1553 development kit with a PCI Express (PCIe) interface. The kit is based on Holt’s popular 3.3V BC/MT/RT multi-terminal device, HI-6130, and interfaces with a PCIe slot on a Windows 7 personal computer.   Read more
Shadin Avionics Uses Holt’s MIL-STD-1553 Terminal IC Solution in TSO Certified Avionics Interface System
9/26/2013
Holt Integrated Circuits today announced that Shadin Avionics selected its MIL-STD-1553 BC/MT/RT terminal IC, HI-6131PCTF, and stacked dual core isolation transformer, PM-DB2762, for use in their TSO Certified Avionics Interface System, AIS-460. Shadin Avionics AIS-460 converts MIL-STD-1553 to ARINC 429 and other avionics signals.   Read more
32-Channel Discrete-to-Digital Sensing IC with SPI Interface and Low Threshold Sensing Capability
9/12/2013
Holt Integrated Circuits today announced the introduction of HI-8436, a new 3.3V, 32-channel, discrete-to-digital sensing IC with SPI interface and low threshold sensing capability. The sense input thresholds and hysteresis are programmable via the 20MHz SPI port in 100mV steps, from 0.4V to 5.2V and all 32 sense output states may be read with a single SPI command.   Read more
Analog Switch IC with 200°C Operating Temperature and Outside-the-Rails Switching Capability
8/29/2013
Holt Integrated Circuits today announced the release of a new Analog Switch product family capable of operating up to 200°C. These devices target high temperature avionics and industrial applications like data bus isolation, distributed engine control and down-hole well drilling telemetry.   Read more
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