MC14530B IC

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MC14530B IC The MC14530B is a dual five-input majority‐logic gate implemented in CMOS. It evaluates five logic inputs (A–E) and a control input (W), outputting “1” when three or more of A–E are “1,” then gating that result with W. Conversely, it outputs “0” when three or more inputs are “0,” regardless of W. Diode protection on every input guards against static discharge, and the device can directly drive two low-power TTL loads or one low-power Schottky‐TTL load. Constructed with complementary P-channel and N-channel enhancement-mode MOSFETs, the MC14530B features matched pull-up and pull-down networks for balanced rise/fall times. Its high-impedance inputs accept voltages from –0.5 V up to VDD+0.5 V, while output stages source and sink up to ±10 mA. A wide supply range (3 V to 18 V) allows flexible system integration. Unused inputs must be tied to VSS or VDD; unused outputs remain open. By embedding majority logic in a single 16-pin package, the MC14530B simplifies both combinational and sequential designs—reducing component count compared to discrete gates. Its protection circuitry and broad voltage tolerance enhance reliability in noisy or mixed-voltage environments. Typical applications include custom flip-flops, multivibrators, and programmable‐logic modules where compact, high-fan-in logic functions are required. Features: Dual five-input majority‐logic gates (inputs A–E, control W). Diode protection on all inputs. Supply voltage range: 3.0 V to 18 V. Drives two low-power TTL or one low-power Schottky-TTL load. High-impedance inputs (–0.5 V to VDD+0.5 V). CMOS construction for low quiescent current. Balanced P- and N-channel networks for matched rise/fall times. 16-pin PDIP, CDIP, or SOIC package. Specifications: Parameter Symbol Conditions Min Typ Max Unit DC Supply Voltage: VDD – –0.5 – 18.0 V Input/Output Voltage (DC/Transient): VIN, VOUT VSS ≤ Vin/Vout ≤ VDD –0.5 – VDD+0.5 V Input/Output Current (per pin): IIN, IOUT DC or transient –10 – +10 mA Power Dissipation (per package): PD Ta = 25 °C – – 500 mW Storage Temperature: Tstg – –65 – +150 °C Lead Soldering Temperature (8 s): TL – – – 260 °C Applications: Coincident Flip-Flop. Astable Multivibrators. Sequential Logic Circuits. Basic Combinational Functions (5-input majority, weighted inputs). Correlation and Sampling Logic. Package Contents: 1x MC14530B IC Data sheet