-
Description
The RS5C338A is a CMOS real-time clock IC belonging to the IC Chips product category. It is designed to be connected to the CPU through three signal lines: CE (Chip Enable), SCLK (Serial Clock), and SIO (Serial Input/Output). These signal lines facilitate the serial transmission of time and calendar data to the CPU. This model incorporates various functional circuits to enhance its performance.
Specifications and features
- Timekeeping supply voltage ranging from 1.45 to 5.5 volts
- Low supply current: TYP. 0.35µA (MAX. 0.8µA) at 3 volts (at 25˚C)
- Only three signal lines (SCLK, SIO, and CE) required for connection to the CPU
- Maximum clock frequency of 2 MHz (with VDD of 5 volts)
- Time counters (counting hours, minutes, and seconds) and calendar counters (counting years, months, days, and weeks) in BCD format
- 1900/2000 identification bit for Year 2000 compliance
- Interrupt circuit configured to generate interrupt signals to the CPU (ranging from 0.5 seconds to 1 month) and provided with an interrupt flag and an interrupt halt circuit
- Two alarm circuits: Alarm_W for week, hour, and minute alarm settings, and Alarm_D for hour and minute alarm settings
- 32-kHz clock circuit (CMOS output, equipped with a control pin)
- Oscillation halt sensing circuit to judge the validity of internal data
- Supply voltage monitoring circuit with two supply voltage monitoring threshold settings
- Automatic identification of leap years up to the year 2099
- Selectable 12-hour and 24-hour mode settings
- Built-in oscillation stabilization capacitors (CG and CD)
- High precision oscillation adjustment circuit
- CMOS process
- Ultra-compact: RS5C338A with a height of 1.25mm and size of 6.4×3.5mm, and RV5C338A with a height of 1.20mm and size of 4.0×2.9mm
Application Scenarios
The RS5C338A is commonly used in electronic devices, such as smartwatches, digital clocks, medical equipment, and IoT devices. It can provide accurate timekeeping functionality, calendar functions, and alarm features. Its small size makes it suitable for compact electronic devices that require a real-time clock feature.
Comparison
Advantages- Wide range of timekeeping supply voltage
- Low supply current
- Simple three-wire connection to the CPU
- High clock frequency
- Accurate time and calendar counters
- Year 2000 compliance
- Interrupt functionality
- Dual alarm circuits
- 32-kHz clock circuit
- Validity check for internal data
- Supply voltage monitoring
- Leap year identification
- Selectable hour mode settings
Disadvantages- Requires CMOS process
- Specific package and size limitations
-
Similar parts: 430483 , Click to view
-
Datasheet
-
Shopping guide
Delivery period:
- - Will ship out in 2-3 days
- - DHL Express: 3-7 business days
- - DHL eCommerce: 12-22 business days
- - FedEx International Priority: 3-7 business days
- - EMS: 10-15 business days
Shipping fee:
- - Automatic Email notification (above 5 times)
- - View in your order page
Shipping option:
DHL, FedEx, EMS, SF Express, and Registered Air MailShipping tracking:
- - Automatic Email notification (above 5 times)
- - View in your order page
How to Buy:
- - In-stock, Add to cart > Check out > Submit order > Complete payment >Delivery.
- - Inquiry, Add to inquiry sheet/Submit bom/inquire file/Send email us > Quote > Place order > Complete payment >Delivery.
- View more
Payment:
- - Paypal,Credit Card includes Visa, Master, American Express.
- - Wire transfer, include Local bank transfer.
- - Western Union.
- View more
-
Popular parts of the same kind
- Datasheet: Download RS5C338A
- Chipdatas Part: CD92-RS5C338A
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/10/01 08:06 +0800
-
- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
-
The fee is charged according to the rule of PayPal.
-
The fee is charged according to the rule of PayPal.
-
Western Union charge US$0.00 banking fee.
-
We recommend to use bank transfer for large orders to save on handling fees.
-
DHL(www.dhl.com)
$40 limited time offer. -
UPS(www.ups.com)
$40 limited time offer. -
FedEx(www.fedex.com)
$40 limited time offer. -
Registered Mail(www.singpost.com)
Free shipping without minimum order.