IC TMP47C400AN

IC TMP47C400AN – Toshiba CMOS 4-Bit Microcontroller DIP-42IC TMP47C400AN

The TMP47C400AN IC is a high-speed CMOS 4-bit microcontroller from Toshiba’s TLCS-47 series, designed for embedded control and LED-driven electronic applications. This versatile microcontroller integrates 4KB ROM, 256 × 4-bit RAM, multiple I/O ports, timer/counters, and serial communication interface into a single chip, making it ideal for compact and reliable circuit designs.

This IC is widely used in home appliances, control boards, industrial devices, LED display systems, timers, counters, and legacy electronic repair work. Its high current output capability makes it especially suitable for direct LED drive applications, reducing the need for external driver components and lowering circuit cost.

The TMP47C400AN DIP-42 package offers easy PCB mounting and replacement, making it a preferred choice for technicians, repair engineers, and electronics hobbyists working on vintage Toshiba-based boards. With its built-in serial interface, interval timer, dual 12-bit timer/counters, hold function, and pulse width measurement, it supports precise control operations in many consumer and industrial products.

Its instruction execution speed of 1.9µs at 4.2MHz ensures fast and stable performance for real-time embedded tasks. The microcontroller also supports battery or capacitor backup hold function, making it useful in memory retention and standby power designs.

If you are repairing older control boards, industrial panels, microwave PCBs, washing machine boards, or LED controller systems, the TMP47C400AN Toshiba microcontroller IC is a dependable replacement component.

Key Features of IC TMP47C400AN:

• Toshiba TMP47C400AN
• CMOS 4-bit microcontroller
• 4096 × 8-bit ROM
• 256 × 4-bit RAM
• DIP-42 / SDIP42 package
• Built-in serial interface
• Dual 12-bit timer/counters
• LED direct drive capability
• Fast execution 1.9µs
• Suitable for repairing electronic control boards

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