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5fa0f80b4e
Provides a keyboard interface to interface with OSI computers. Equivalent to an OSI 542C. - Includes sound circuits - Includes RESET delay circuit - SHIFT LOCK can be mechanical push-on/push-off or soft toggle, selectable by jumper. - Provide SHIFT LOCK LED output.
28 lines
632 B
Plaintext
28 lines
632 B
Plaintext
EESchema-DOCLIB Version 2.0
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$CMP 74HC240
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D 8-bit Buffer/Line Driver 3-state Inverting
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K TTL BUFFER 3State inv
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F https://assets.nexperia.com/documents/data-sheet/74HC_HCT240.pdf
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$ENDCMP
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#
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$CMP 74HCT240
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D 8-bit buffer; 3-state; inverting
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K octal buffer line driver inverting
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F https://assets.nexperia.com/documents/data-sheet/74HC_HCT240.pdf
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$ENDCMP
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$CMP 74LS192
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D Synchronous 4-bit Up/Down (2 clk) counter
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K TTL CNT CNT4
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F http://www.ti.com/lit/ds/symlink/sn74ls193.pdf
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$ENDCMP
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#
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$CMP 74LS193
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D Synchronous 4-bit Up/Down (2 clk) counter
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K TTL CNT CNT4
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F http://www.ti.com/lit/ds/symlink/sn74ls193.pdf
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$ENDCMP
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#
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#End Doc Library
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