Toshiba TMP4740N - Japan

The Toshiba TMP4740N is a 4-bit single-chip microcontroller belonging to the TLCS-47 series, commonly used in older consumer electronics, audio systems, and appliances. These devices are generally considered discontinued (New Old Stock), and they are typically sourced from specialized electronic component suppliers. 

Technical Details (TMP4740N):

• Manufacturer: Toshiba
• Type: 4-bit Single-chip Microcontroller/Microcomputer
• Package: DIP (Dual In-line Package)
• Series: TLCS-47 (often used in vintage, audio, or video equipment)
• Variants: Frequently found with additional suffixes indicating specific ROM codes (e.g., TMP4740N-5223, TMP4740N-5913)