MAX463_E_ E ............................................... -40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range ........................... -65°C to +150°C
Lead Temperature (soldering, 10s) ............................... +300°C
Note 1:
Signals on COM_, NO_ exceeding V+ or V- are clamped by internal diodes. A_ and EN are clamped only to V- and can
exceed V+ up to their maximum ratings. Limit forward-diode current to maximum current rating.
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
The microcontroller uses external interrupt 0, and a strange phenomenon is found. I don't know what causes it. When the program is executed, if no key is pressed (no interrupt is triggered), the progr...
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1 Introduction
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Preface
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System Overview
The system consists of a signal preprocessing circuit, a single-chip computer AT89C2051, a systematic LED display module, a serial port data storage circuit and system software...[Details]
Embedded System
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