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    1. Home/
    2. All Categories/
    3. Integrated Circuits - ICs/
    4. Clock & Timer ICs/
    5. R2043L-E2 Nisshinbo

    R2043L-E2 [Nisshinbo]

    R2043L-E2
    R2043L-E2

    Part No:

    R2043L-E2

    Category:

    Clock & Timer ICs

    Manufacturer:

    Nisshinbo

    Description:

    The R2043x is a CMOS real-time clock IC connected to the CPU by four signal lines, CE, SCLK, SI, SO, and configured to perform serial transmission of time and calendar data to the CPU.

    Datasheet:

    Product FAQ

    1. Is R2043L-E2 available for RFQ?

    Yes. R2043L-E2 by Nisshinbo is available for RFQ. Submit your required quantity and our team will confirm real-time stock, lead time, and volume pricing.

    2. Why is there no fixed price for R2043L-E2?

    Pricing for R2043L-E2 can vary by order quantity, market availability, date code, packaging, and delivery destination. Request a quote to receive the latest volume pricing.

    3. What are the key specifications of R2043L-E2?

    R2043L-E2 is a Nisshinbo Clock & Timer ICs with Supply Voltage Monitoring High Max: 1.75V and Supply Voltage Monitoring High Min: 1.45V. Review the product details or submit an RFQ if you need confirmation before purchase.

    4. How fast can I get a quote for R2043L-E2?

    Our sales team usually responds within 24 hours after receiving your RFQ. The quote may include stock status, unit price, lead time, shipping options, and available alternatives.

    5. How soon can R2043L-E2 be shipped?

    If stock is confirmed, in-stock parts can usually ship within 1–2 business days. Final lead time depends on quantity, stock source, and delivery destination.

    6. Can you suggest alternatives to R2043L-E2?

    Yes. If R2043L-E2 is unavailable, obsolete, or does not meet your required lead time, we can help check similar Nisshinbo Clock & Timer ICs parts or compatible alternatives.

    RFQ

    Part Number:

    R2043L-E2

    Manufacturer:

    Nisshinbo

    Looking for Pricing? Contact us for volume pricing.

    IMPORTANT NOTICE

    Quotations are subject to stock availability and may vary with market conditions. Prices and lead times are not guaranteed until a purchase order is confirmed. Ensure your contact details are correct to avoid delays in response.

    Featured Product

    Stock Status:

    Available for RFQ

    Pricing:

    Request Volume Pricing

    Quote Response:

    Within 24 Hours

    Shipping:

    In-stock parts ship in 1–2 business days

    Specification

    Type
    Parameter
    Operating Temperature
    -40°C ~ +85°C
    Supply Voltage
    -0.3V ~ +6.5V
    RoHS Status
    RoHS Compliant
    Storage Temperature
    -55°C ~ +125°C
    RoHS Status
    Non-RoHS Compliant
    Minimum Time Keeping Voltage Max
    1.00V
    Minimum Time Keeping Voltage Min
    0.66V
    Oscillation Frequency
    32.768kHz
    Package R2043k
    FFP12 (2.0mm x 2.0mm x 1.0mm)
    Package R2043l
    QFN023023-16 (2.3mm x 2.3mm x 0.4mm)
    Package R2043t
    TSSOP10G (4.0mm x 2.9mm x 1.0mm)
    Supply Voltage Access Max
    5.5V
    Supply Voltage Access Min
    1.7V
    Supply Voltage Monitoring High Max
    1.75V
    Supply Voltage Monitoring High Min
    1.45V
    Supply Voltage Monitoring Low Max
    1.45V
    Supply Voltage Monitoring Low Min
    1.15V
    Time Keeping Current Max
    1.00µA
    Time Keeping Current Typ
    0.45µA
    Time Keeping Voltage Max
    5.50V
    Time Keeping Voltage Min
    1.00V

    Products Detail

    The R2043x is a low-power CMOS real-time clock IC featuring time and calendar counters in BCD format, periodic and alarm interrupt functions (0.5 seconds to 1 month), power-on flag, 32-kHz clock output, supply voltage monitoring, leap year identification up to 2099, and selectable 12/24-hour mode. It includes built-in oscillation stabilization capacitors and high-precision oscillation adjustment. Available in TSSOP10G, FFP12, and QFN023023-16 packages for high-density mounting.

    Key Features

    • Minimum Timekeeping supply voltage TYP:0.66 to 5.5v
    • Low power consumption 0.45µA TYP at VDD=3V
    • Four signal lines (CE, SCLK, SI, SO)
    • Time counters (hours, minutes, seconds) and calendar counters (years, months, days, weeks) in BCD format
    • Interrupt circuit with 0.5s to 1 month range
    • 2 alarm interrupt circuits (Alarm_W, Alarm_D)
    • Power-on flag
    • 32-kHz clock output pin
    • Supply voltage monitoring circuit with two thresholds
    • Automatic leap year identification up to 2099
    • Selectable 12-hour and 24-hour mode
    • High precision oscillation adjustment
    • Built-in oscillation stabilization capacitors (CG, CD)
    • Package options: TSSOP10G, FFP12, QFN023023-16
    • CMOS process

    Documents

    Datasheets:

    R2043K
    Shipping & Warranty

    Fast Dispatch: Ships in 5-7 days(in-stock parts within 1-2 days)

    Unishop Global Export: 1-7 days, $40.00

    Guaranteed Delivery: Door-to-door in 30 days

    Compliant Worldwide Shipping: DHL, FedEx, SF, and UPS.

    Feature

    • 30-Day Guarantee
      30-Day Guarantee
    • Fasted Delivery
      Fasted Delivery
    • Hassle-Free Returns
      Hassle-Free Returns
    • Secure payment method
      Secure payment method
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