DS1338U-33+
$1.47
DS1338 I2C Rtc With 56-Byte NV Ram
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DS1338U-33+ – I2C RTC with 56-Byte NV RAM – Analog Devices
This DS1338U-33+ real-time clock (RTC) from Analog Devices provides precise timekeeping and non-volatile memory storage for embedded systems. Featuring ultra-low power consumption and I2C interface compatibility, it ensures accurate calendar functions and data retention during power loss. PCX supplies this industrial-grade component with guaranteed authenticity and rapid shipping.
Key Features
I2C Interface: Simple 2-wire serial communication
56-Byte NV RAM: Battery-backed non-volatile memory
Ultra-Low Power: 125µA~200µA timekeeping current
Wide Voltage Support: 3V-5.5V main / 1.3V-3.7V battery
Industrial Temp Range: -40°C to +85°C operation
Surface-Mount Design: 8-uMAX/uSOP package (3mm width)
Technical Specifications
This clock/calendar IC provides 12/24-hour time formatting (HH:MM:SS) and date tracking (YY-MM-DD-dd) with automatic leap-year compensation. The integrated square wave output supports external timing synchronization. Memory organization maintains 56 bytes of critical data during power interruptions through battery backup connectivity. Interface operates via industry-standard I2C protocol, ensuring broad microcontroller compatibility.
Typical Applications
Industrial automation controllers
Medical monitoring devices
Data loggers and metering systems
POS terminals and kiosks
Backup power management circuits
About Analog Devices
Analog Devices Inc. (ADI) leads the semiconductor industry with cutting-edge signal processing and precision timing solutions. Their acquisition of Maxim Integrated further strengthened their portfolio in power management and embedded clock technologies.
Renowned for rigorous quality standards, ADI components deliver exceptional reliability in mission-critical applications across automotive, industrial, and communications sectors. Their commitment to innovation ensures long-term product support and technical excellence.
About Real-Time Clocks
Real-time clocks (RTCs) maintain accurate timekeeping independent of main system power, serving as essential timestamping components in electronic systems. They provide critical chronological reference for event logging, scheduling, and data synchronization.
Modern RTCs like this DS1338 series integrate battery-backed RAM and advanced features such as temperature compensation and alarm functions. These ICs are fundamental in applications requiring persistent time awareness, from consumer electronics to industrial control systems
Additional Information
| Category | Integrated Circuits (ICs)Clock/TimingReal Time Clocks |
|---|---|
| Brand | Analog Devices |
| Manufacturer | Analog Devices Inc./Maxim Integrated |
| Packaging | Tube |
| Part Status | Active |
| DigiKey Programmable | Not Verified |
| Type | Clock/Calendar |
| Features | Leap Year, NVSRAM, Square Wave Output |
| Memory Size | 56B |
| Time Format | HH:MM:SS (12/24 hr) |
| Date Format | YY-MM-DD-dd |
| Interface | I2C, 2-Wire Serial |
| Voltage - Supply | 3V ~ 5.5V |
| Voltage - Supply, Battery | 1.3V ~ 3.7V |
| Current - Timekeeping (Max) | 125µA ~ 200µA @ 3.63V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) |
| Supplier Device Package | 8-uMAX/uSOP |
| Base Product Number | DS1338 |
| Full Description | DS1338U-33+ |
