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M377: Difference between revisions
→165-2089-xx Pinout
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allowing their outputs to be wired in parallel. | allowing their outputs to be wired in parallel. | ||
To minimize board complexity and keep the layout symmetrical, the purpose of the output channels varies: | To minimize board complexity and keep the layout symmetrical, the purpose of the output channels varies: | ||
* Output 1 (pins 25 and 26) is either AUX SIG (aka AUX TRIGGER) or DISPLAY, depending on the | * Output 1 (pins 25 and 26) is either AUX SIG (aka AUX TRIGGER) or DISPLAY, depending on the rotational orientation of the IC on the board. | ||
* Output 2 (pins 22 and 23) of all 165-2089-xx ICs are the TRIGGER signal. | * Output 2 (pins 22 and 23) of all 165-2089-xx ICs are the TRIGGER signal. | ||
* Output 3 (pins 19 and 20) is either AUX SIG (aka AUX TRIGGER) or DISPLAY, depending on the | * Output 3 (pins 19 and 20) is either AUX SIG (aka AUX TRIGGER) or DISPLAY, depending on the rotational orientation of the IC on the board. | ||
[[File:Tek 11a52 m377 flip.jpg|500px|caption]] | [[File:Tek 11a52 m377 flip.jpg|500px|caption]] | ||
Two 165-2089-xx M377 ICs facing one another in an 11A52. | Two 165-2089-xx M377 ICs facing one another in an 11A52. | ||