COMMON CATHODE, MULTIPLEXED, 2 DIGITS WITH DECIMAL POINT
Display Height:
10 mm
Forward Current-Max:
0.025 A
Forward Voltage-Max:
2.1 V
JESD-609 Code:
e3
Number of Characters:
2
Number of Functions:
2
Operating Temperature-Max:
105 °C
Operating Temperature-Min:
-40 °C
Optoelectronic Device Type:
7 SEG NUMERIC LED DISPLAY
Peak Wavelength:
611 nm
Terminal Finish:
Tin (Sn)
HDSM-443L Frequently Asked Questions (FAQs)
Broadcom provides a recommended PCB layout guide for HDSM-443L, which includes guidelines for component placement, routing, and thermal management. It's essential to follow this guide to ensure optimal performance, signal integrity, and thermal dissipation.
To troubleshoot I2C interface issues, check the I2C bus voltage levels, clock frequency, and signal integrity. Ensure that the I2C bus is properly terminated, and there are no bus conflicts or signal reflections. Use an oscilloscope or logic analyzer to debug the I2C signals and verify that the device is responding correctly to I2C commands.
The HDSM-443L is rated for operation from -40°C to 125°C, but it's essential to note that the device's performance and reliability may degrade at extreme temperatures. Ensure that the device is operated within the recommended temperature range to maintain optimal performance and reliability.
Power sequencing is critical for HDSM-443L to ensure that the device powers up correctly and avoids latch-up or damage. Follow the recommended power sequencing guidelines in the datasheet, which typically involve powering up the VCC supply before the VIO supply, and ensuring that the power supplies are stable before enabling the device.
The HDSM-443L has built-in ESD protection, but it's still essential to follow proper ESD handling and protection procedures during manufacturing, testing, and assembly. Ensure that the device is handled in an ESD-controlled environment, and use ESD-protective packaging and materials to prevent damage.
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HDSM-443L Overview
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