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1. Utsource will inspect the goods, including appearance inspection (no serious damage to the appearance), select qualified and honest suppliers, and ensure 98% qualification rate.
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Description
I2C RTC with 56-Byte NV RAM
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The parameters and performance indicators of this product are sourced from the internet. In case of discrepancies, please refer to the manufacturer's technical specifications!！
GENERAL DESCRIPTION
The DS1338 serial real-time clock (RTC) is a low power, full binary-coded decimal (BCD) clock/calendar plus 56 bytes of NV SRAM. Address and data are transferred serially through an I2C interface. The clock/calendar provides seconds, minutes, hours, day, date, month, and year information. The end of the month date is automatically adjusted for months with fewer than 31 days, including corrections for leap year. The clock operates in either the 24-hour or 12-hour format with AM/PM indicator. The DS1338 has a built-in power sense circuit that detects power failures and automatically switches to the backup supply, maintaining time and date operation
FEATURES
● RTC Counts Seconds, Minutes, Hours, Date of the Month, Month, Day of the Week, and Year with Leap-Year Compensation Valid Up to 2100
● Available in a Surface-Mount Package with an Integrated Crystal (DS1338C)
● 56-Byte Battery-Backed General-Purpose RAM with Unlimited Writes
● I2C Serial Interface
● Programmable Square-Wave Output Signal
● Automatic Power-Fail Detect and Switch Circuitry
● -40℃ to +85℃ Operating Temperature Range
● Underwriters Laboratory (UL) Recognized
APPLICATIONS
Handhelds (GPS, POS Terminal)
Consumer Electronics (Set-Top Box, Digital Recording, Network Appliance)
Office Equipment (Fax/Printer, Copier)
Medical (Glucometer, Medicine Dispenser)
Telecommunications (Router, Switcher, Server)
Other (Utility Meter, Vending Machine, Thermostat,Modem)
| QUANTITY | UNIT PRICE | PLUS UNIT PRICE | TOTAL PRICE |
|---|---|---|---|
| ≥1: | US $1.95546 | US $1.75991 | US $1.75991 |
| ≥5: | US $1.30364 | US $1.17328 | US $5.86640 |
| ≥10: | US $1.17328 | US $1.05595 | US $10.55950 |
| ≥20: | US $1.14068 | US $1.02661 | US $20.53220 |
| ≥50: | US $1.10809 | US $0.99728 | US $49.86400 |
| ≥100: | US $1.07550 | US $0.96795 | US $96.79500 |
| ≥200: | US $1.04291 | US $0.93862 | US $187.72400 |
| ≥500: | US $1.02988 | US $0.92689 | US $463.44500 |
| ≥1000: | US $1.01032 | US $0.90929 | US $909.29000 |
Substitute (equivalent) Product
| Product Name | Description |
|---|---|
| DS1339U-33 | I2C RTC with 512 Byte NV SRAM, auto battery backup, clock/calendar feature. |
| DS1307 | I2C real-time clock (RTC) with 56-byte NV SRAM. |
| MCP7940N | I2C RTC with battery switchover, EEPROM, RAM, and unique ID. |
| RV-2123-C2 | I2C bus real-time clock with 32.768 kHz output for industrial applications. |
| PCF8563T | I2C-bus real-time clock/calendar. |
| [Abracon AB-RTCMC-32.768KHZ-EO-S6-T](https://www.utsource.net/sch/Abracon AB-RTCMC-32.768KHZ-EO-S6-T.html) | RTC with I2C interface, 32.768 kHz, ultra-low power consumption. |
| ISL1208IBZ | Real time clock with I2C interface, low power RTC with battery backup switchover. |
Product Usage
The DS1338Z-33 is a real-time clock (RTC) IC manufactured by Maxim Integrated. It can be found in various types of circuits that require accurate time-keeping capabilities. Some common applications and circuits where the DS1338Z-33 might be used include:
Embedded Systems: Microcontroller-based applications that require time-stamping events, scheduling tasks, or maintaining system time during power off periods.
Consumer Electronics: Devices like digital cameras, DVRs, set-top boxes, and home automation systems that need to keep track of time for various functionalities.
Industrial Controllers: Systems that monitor and control industrial processes; accurate time-keeping is often crucial for logging data or coordinating tasks.
Computing Devices: Desktops, laptops, and servers use RTCs to maintain time and date information even when powered off.
Telecommunication Equipment: Equipment that needs to timestamp communications or events precisely.
Point of Sale (POS) Systems: For keeping accurate transaction logs and other time-dependent data.
Medical Devices: Equipment that needs to track the timing of monitoring or dosing schedules accurately.
Automotive Applications: Modern vehicles use real-time clocks for various functions such as logging, infotainment systems, and other timed operations.
Data Logging Systems: Devices that record data over time and need to timestamp each data entry correctly.
Here's a simple example of how the DS1338Z-33 might be used in a microcontroller circuit:
This configuration ensures that the real-time clock is always accurate and can communicate the current time to the microcontroller via the I2C interface.
By maintaining accurate time-keeping, the DS1338Z-33 supports a wide range of applications that rely on precise time data for functionality or record-keeping.
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| Flag | Country | Estimated Delivery Time | Minimum First Weight Cost | ||
|---|---|---|---|---|---|
| Express | Standard Shipping | Express (0.5kg) | Standard Shipping (0.05kg) | ||
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Returns are normally accepted when completed within 90 days from the date of the parcel delivered.
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Warranty
All UTSOURCE purchases have a 90 days money back return policy, plus a 100 days UTSOURCE warranty against any manufacturing defects.This warranty shall not apply to any item where defects have been caused by improper customer assembly, failure by customer to follow instructions, product modification, negligent or improper operation.
DS1338Z-33
DS1338Z-33 has several brands around the world that may have alternate names for DS1338Z-33 due to regional differences or acquisition. DS1338Z-33 may also be known as the following names:
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