A145 HD14502BP Strobed Hex Inverter/Buffer IC, CMOS Logic, 16-Pin DIP Package (CD14502B Equivalent)

The Hitachi HD14502BP is a high-voltage CMOS integrated circuit containing six independent inverting buffers. It features a unique "strobe" input and "output disable" capability, allowing for easy integration into bus-organized systems. This chip is known for its wide operating voltage range and high noise immunity, making it a reliable choice for both vintage electronics repair and new logic designs.

Key Technical Specifications

• Function: Hex Inverter / Buffer with Strobe

• Technology: CMOS (Complementary MOS)

• Package Type: 16-Pin PDIP (Plastic Dual In-Line Package)

• Operating Voltage Range: 3V to 18V

• Logic Type: Strobed Inverter

• Output Current: High source and sink current capability for driving TTL loads

• Cross-Reference: Compatible with standard 4502 / CD4502 series logic

Applications

• Bus Drivers: Ideal for systems where multiple outputs share a common line.

• Signal Inversion: Efficiently inverting logic levels in digital circuits.

• Industrial Controls: Used in legacy PLCs and control boards due to high noise margin.

• Vintage Tech Repair: A crucial replacement part for 1980s and 90s computing and audio equipment.

Features

• Strobe Control: Allows for all six outputs to be controlled simultaneously.

• High Impedance State: Features a 3-state output for bus-oriented applications.

• Low Power Consumption: Classic CMOS efficiency for battery-powered or low-heat environments.

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