IC 74HC132 PDF

Home > Integrated Circuits > 74 Series > 74HC Series. 74HC – 74HC Quad 2-input NAND Schmitt Trigger Datasheet – Buy 74HC Technical. Manufacturer’s Part Number, 74HC Manufacturer’s Web Site, -. Futurlec Part Number, 74HC Department, Integrated Circuits. Category, 74HC Series. 74HC 74HC/HCT; Quad 2-input NAND Schmitt Trigger;; Package: Product specification File under Integrated Circuits, IC06 September

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The output of an OR gate goes high when any of its inputs A or B, etc. Ways of cascading two-input OR gates to get up to five inputs.

Just make sure the buffer has a fan-in of one in the former case, and a fan-in of two in the latter. Part 4 Practical digital mixed gate and special-purpose logic gate ICs such as programmable logic, majority logic, and digital transmission gate types.

These multi-part series may be just what you need!

Also note that OR gates can be directly cascaded to id a compound OR gate with any desired number of inputs. Simple three input diode OR gate. Need to brush up on your electronics principles?

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Relatively few dedicated OR gate ICs are available. Six popular OR gate ICs. Figure 17 lists basic details of the six most popular OR gate ICs: Learning Electronics Need to brush up on your electronics principles? Figure 24for example, shows ways of cascading two-input elements to make OR gates with three, four, or five inputs, and Figure 25 shows a three-input OR element and a three-input diode OR gate cascaded to make a compound five-input OR gate.

The 74LS10 and B see Figures 6 and 7 are triple three-input standard types; the 74LS20 and B see Figures 8 and 9 are dual four-input standard types; the 74LS30 and B see Figures 10 and 11 are eight-input standard types; and the 74HC is a input standard type.

Understanding Digital Buffer, Gate, and Logic IC Circuits – Part 3 | Nuts & Volts Magazine

The simplest way to make an OR gate is via a number of diodes and a single resistor, as shown for example in the three-input OR 74nc132 of Figure In this case, the unwanted inputs can be 74gc132 by either tying them high directly in CMOS gates, or via a 1K resistor in TTL types or by simply shorting them directly to a used input.

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Example of a compound five-input OR gate circuit. Note that the fan-in of a TTL NOR gate is directly proportional to the number of inputs used — at a fan-in rate of one per input — and that a TTL two-input OR gate can be made to act as a simple non-inverting buffer by either tying one input to ground or by tying both inputs together, as shown in Figure The diode OR gate is reasonably fast, very cost-effective, and can readily be expanded to accept any number of inputs by simply lc one more diode to the circuit for each new input.