Welcome Here  Shenzhen Mingjiada Electronics Co., Ltd.

The DS1338U-18 Serial Real-Time Clock (RTC) is a low-power, fully binary-coded decimal (BCD) clock/calendar, plus 56 bytes of NV SRAM. addresses and data are transferred serially over the I2C interface. The clock/calendar provides seconds, minutes, hours, day, date, month, and year information. For months with fewer than 31 days, the end-of-month date is automatically adjusted, including leap year correction. The clock operates on a 24-hour or 12-hour schedule with an AM/PM indicator.The DS1338U-18 has a built-in power-sense circuit that detects power failures and automatically switches to an alternate power source to keep the time and date running.

Product Attributes

Type: Clock/Calendar  

Features: Leap year, NVSRAM, Square wave output  

Memory capacity: 56B  

Time format: HH:MM:SS (12/24 hours)  

Date format: YY-MM-DD-dd  

Interface: I2C, 2-wire serial  

Voltage - Supply: 1.71V ~ 5.5V  

Voltage - Supply, Battery: 1.3V ~ 3.7V  

Current - Timing (Max): 100µA @ 1.89V  

Operating Temperature: -40°C ~ 85°C  

Mounting Type: Surface Mount  

Package/Shell: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)  

Supplier Device Package: 8-uMAX/uSOP

Applications

Handheld devices (GPS, POS terminals)

Consumer electronics (set-top boxes, digital recording, network equipment)

Networking equipment)

Office equipment (fax/printer, copier)

Medical (blood glucose meters, dispensers)

Telecommunications (routers, switches, servers)

Other (utility meters, vending machines, thermostats, modems)

• 1.Is the inventory and price seen on the platform accurate?

  A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

• 2.Are all our products genuine?

  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

• 3.Can you provide the qualification certificate of the original factory or agent?

  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

• 4.Can I make an inquiry through the company's website?

  A: You can inquire through the website, or by phone and email.

• 5.When can I deliver the goods after placing an order? How long will it take to get there?

  A: the delivery date is marked in most commodity information. You can estimate the delivery time of the commodity according to the delivery date. The specific arrival time depends on the warehouse where the commodity is located and the logistics mode you choose.

• 6.Can the company issue an invoice?

  A: you can issue ordinary invoices for individual users or special VAT invoices for enterprise users.