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M37478E8SP is listed in the Microcontrollers range at ChipApex. The manufacturer field lists Renesas Electronics Corporation. Its product description is 8-BIT, OTPROM, MELPS740 CPU. Review the specifications below when checking this part for your BOM.
Microcontrollers specifications for M37478E8SP
- Description：8-BIT, OTPROM, MELPS740 CPU
- Series：*
- Mfr：Renesas Electronics Corporation
- Package：Bulk
- Core Processor：-
- Core Size：-
- Speed：-
- Connectivity：-
- Peripherals：-
- Number of I/O：-
- Program Memory Size：-
- Program Memory Type：-
- EEPROM Size：-
- RAM Size：-
- Voltage - Supply (Vcc/Vdd)：-
- Data Converters：-
- Oscillator Type：-
- Operating Temperature：-
- Mounting Type：-
- Supplier Device Package：-
- Package / Case：-
Microcontrollers datasheet and documents for M37478E8SP
Microcontrollers Overview
The M37478E8SP is an 8-bit microcontroller IC from the Renesas 7477/7478 group, utilizing MELPS740 CPU architecture. It features OTPROM for program storage and is fabricated with CMOS silicon gate technology. The device is designed for business equipment applications and operates within standard industrial voltage ranges typical for its generation.
Microcontrollers Feature Summary
- Built on CMOS silicon gate technology for reliable single-chip integration
- Utilizes MELPS740 CPU architecture optimized for embedded control tasks
- Designed specifically for use in business equipment applications
Microcontrollers Applications
- Business equipment systems
- Embedded control modules
- Single-chip microcomputer applications
Microcontrollers Procurement Notes
Verify the specific suffix variant against official Renesas documentation to ensure compatibility with required pinouts and electrical characteristics. Confirm that the OTPROM programming requirements align with your manufacturing infrastructure. Cross-reference the datasheet revision history to account for any design or labeling updates documented in recent Product Change Notices.
Microcontrollers Selection Notes
Select this component when a legacy 8-bit architecture with MELPS740 compatibility is required for business equipment. Consider the OTPROM constraint if field reprogramming is necessary, as it does not support byte-alterable EEPROM like other variants in the series. Evaluate package availability and long-term supply status given the age of the product line.
Microcontrollers Part Context
This part belongs to the Renesas 7477/7478 group of single-chip microcomputers. These devices were originally developed using Mitsubishi Electric technology before being integrated into the Renesas portfolio following corporate business transfers. The series represents a mature 8-bit platform widely deployed in established industrial and commercial hardware designs.
Microcontrollers Replacement Considerations
Consult official substitution guides for direct equivalents within the 7477/7478 family. Verify pin-to-pin compatibility and software instruction set alignment before transitioning to newer 8-bit or 16-bit MCU families.
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