本文介绍了MAX485的芯片特点、工作原理和多机通信方式，以及TTL和CMOS电平的区别。MAX485是一个只能单工或半双工的RS485 …
MAX485 Product details. General Description. The MAX481E, MAX483E, MAX485E, MAX487E–MAX491E, …
MAX485 is a part of a family of transceivers for RS-485 and RS-422 communication, with low power …
SWITCHING CHARACTERISTICS—MAX483, MAX487/MAX488/MAX489. Note 1: All currents into device pins are positive; …
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