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 > UPD4991AGS

UPD4991AGS Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
UPD4991AGSNEC130Yes

Part Number:** UPD4991AGS **Manufacturer:** NEC ### **Specifications:** - **Type:** Real-Time Clock (RTC) IC - **Supply Voltage:** 2.

Part Number: UPD4991AGS

Manufacturer: NEC

Specifications:

  • Type: Real-Time Clock (RTC) IC
  • Supply Voltage: 2.7V to 6.0V
  • Clock Frequency: 32.768 kHz (standard crystal frequency)
  • Timekeeping Accuracy: Depends on external crystal (typical ±5 ppm at 25°C)
  • Interface: Serial (3-wire or 4-wire)
  • Operating Temperature Range: -40°C to +85°C
  • Package: SOP (Small Outline Package)

Descriptions:

  • The UPD4991AGS is a real-time clock IC designed for timekeeping applications.
  • It includes counters for seconds, minutes, hours, day, month, and year (with leap-year compensation).
  • Features low power consumption, making it suitable for battery-backed systems.

Features:

  • Built-in calendar function (up to year 2099).
  • Alarm and timer functions.
  • Battery backup support for continuous timekeeping.
  • Serial interface for communication with microcontrollers.
  • Low standby current in battery mode.

(Note: For detailed electrical characteristics and timing diagrams, refer to the official NEC datasheet.)

Request Quotation

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

Recommended Products

  • UPC1409CA ,500,

    Manufacturer:** NEC **Part Number:** UPC1409CA ### **Specifications:** - **Type:** Digital Signal Processor (DSP) - **Package:** Ceramic DIP (Dual In-line Package) - **Pin Count:** 40 pins - **Technology:** CMOS - **Operating Voltage:** 5

  • 133C Z00010 ,14251,QFP

    Part 133C Z00010 Manufacturer: NEC** ### **Specifications:** - **Manufacturer:** NEC (Nippon Electric Company) - **Part Number:** 133C Z00010 - **Type:** Electronic component (exact function may vary based on application) - **Compliance:** Me

  • UPD4364G-15L ,100,SOP28

    part **UPD4364G-15L** is a **4K x 16-bit High-Speed CMOS Static RAM (SRAM)** manufactured by **NEC**.

  • M6052-11,OKI,13,DIP28

    LCX125G,ON,13,SOP3.9

Sales Support

Our sales team is ready to assist with:

  • Fast quotation
  • Price Discount
  • Technical specifications
Contact sales