361451

361451 AND-Invert


The AI consists of a diode positive AND circuit followed by a saturating transistor inverter. Pins 2, 3 and 4 are the AND inputs. Pin 5 is available for extending the fan-in to the AND by connecting it to common anode diodes from an FDD or AOX module. Pins 8 and 9 are connected together on the card for most applications. However, when collectors are dotted (wire-ORed), only one collector resistor is needed for the common collector connection. If more collector resistors are connected, the fan-out is reduced accordingly. The output, pin 9, fans out to a maximum of 5 AI loads for medium speed circuits, and to a maximum of 7 AI/ADI loads for slow speed circuits.

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