185 (NORD-1 card): Difference between revisions
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'''185''' is a card that is used in several places in the [[NORD-1]] CPU and I/O crates. It is a differential line driver / receiver. | '''185''' is a card that is used in several places in the [[NORD-1]] CPU and I/O crates. It is a differential line driver / receiver. | ||
[[Image:NORD-1 card 185-c.jpg |300px | thumb | Component side.]] | |||
[[Image:NORD-1 card 185-s.jpg |300px | thumb | Solder side.]] | |||
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Revision as of 20:30, 8 July 2016
185 is a card that is used in several places in the NORD-1 CPU and I/O crates. It is a differential line driver / receiver.
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Introduction
This card is used as a line driver or receiver for differential signals to external devices, like SMD data or control.
It is documented in drawing 2A85.
Switches and indicators
There are no switches or indicators on this board.
BOM
- 2 x 7437N Quad 2-input NAND buffers
- 9 x 75107 (75108) Dual line receivers
- 9 x 75109 (75110) Dual line drivers
Reference
- HARDWARE MANUAL NORD 1