Professional IC Distribution & Technical Solutions

Global leader in semiconductor components distribution and technical support services, empowering your product innovation and industry advancement

Product Catalog Contact Us
Home > NEC02 > UPD7554G-666

UPD7554G-666 Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
UPD7554G-666NEC130Yes

UPD7554G-666** is a 4-bit single-chip microcontroller manufactured by **NEC (now Renesas Electronics)**.

The UPD7554G-666 is a 4-bit single-chip microcontroller manufactured by NEC (now Renesas Electronics). Below are its key specifications, descriptions, and features:

Specifications:

  • Architecture: 4-bit CMOS microcontroller
  • CPU Core: NEC 75X series
  • Clock Speed: Up to 666 kHz (indicated by the "-666" suffix)
  • ROM (Program Memory): 4 KB (4096 x 8 bits)
  • RAM (Data Memory): 256 x 4 bits
  • I/O Ports: Multiple configurable I/O lines
  • Timers: Built-in timer/counter
  • Interrupts: Supports multiple interrupt sources
  • Operating Voltage: Typically 2.7V to 5.5V (CMOS compatible)
  • Package: DIP (Dual In-line Package) or other variants

Descriptions:

  • Designed for low-power, cost-sensitive embedded applications
  • Features on-chip oscillator for clock generation
  • Optimized for consumer electronics, appliances, and simple control systems
  • Includes basic arithmetic and logic operations for 4-bit processing

Features:

  • Low power consumption (suitable for battery-operated devices)
  • On-chip ROM and RAM for compact system design
  • Mask-programmable ROM (factory-programmed)
  • Multiple I/O modes (input, output, bidirectional)
  • Built-in timer/counter for event timing
  • CMOS technology for high noise immunity and low power

This microcontroller was commonly used in early electronic devices, remote controls, and simple automation systems. For exact pinout and application details, refer to the official NEC (Renesas) datasheet.

Request Quotation

Part Number:
Quantity:
Target Price($USD):
Email:
Contact Person:
Additional Part Number
Quantity (Additional)
Special Requirements
Verification: =

Recommended Products

  • UPC1242H ,500,

    Manufacturer:** NEC **Part Number:** UPC1242H ### **Specifications:** - **Type:** High-Frequency Power Amplifier IC - **Operating Voltage:** 12V (typical) - **Output Power:** 2W (typical) - **Frequency Range:** Up to 500MHz - **Package:**

  • UPD102C ,300,DIP14

    NEC UPD102C** is a high-performance 16-bit microcontroller from NEC Electronics (now part of Renesas Electronics).

  • UPA2003GR-E2 ,2000,SOP16

    UPA2003GR-E2 is a transistor array manufactured by NEC.

  • AM79C31APC,AMD,13,DIP28

    M82C51A,OKI,13,DIP28

Sales Support

Our sales team is ready to assist with:

  • Fast quotation
  • Price Discount
  • Technical specifications
Contact sales