ADI DS1338Z-33
Accurate real-time clock with I2C/serial communication for easy integration into microcontroller-based systems





Brands: Analog Devices, Inc
Mfr.Part #: DS1338Z-33
Datasheet: DS1338Z-33 Datasheet (PDF)
Package/Case: SOIC-8
Product Type: Real Time Clocks
RoHS Status:
Stock Condition: 1,150 pcs, New Original
Warranty: 1 Year Ovaga Warranty - Find Out More
0
1
DS1338Z-33 General Description
Featuring a compact 8-pin SOIC case style, the DS1338Z-33 RTC is well-suited for surface mount device applications. It operates within an industrial temperature range and is designed to meet the demand for reliable timekeeping in various industrial and consumer electronic devices. With an I2C and serial interface, this RTC offers flexible connectivity options. It is also compliant with RoHS phthalates and has no SVHC (Substances of Very High Concern) content, ensuring environmental and safety standards are met. The MSL (Moisture Sensitivity Level) is 1 - Unlimited, making it suitable for a range of manufacturing environments
Features
- It has a low-power consumption feature with a maximum supply current of 1.5 microamps
- It provides time and calendar functions with seconds, minutes, hours, day, date, month, and year information
- It has an integrated temperature-compensated crystal oscillator (TCXO) that maintains accurate timekeeping over a wide temperature range.
- It has an I2C interface with a maximum operating frequency of 400 kHz.
- It has a built-in power-sense circuit that detects power failures and switches to backup power.
Application
- The DS1338Z-33 RTC IC is commonly used in embedded systems such as industrial controllers, medical equipment, and appliances, to maintain an accurate time reference.
- It is also used in battery-powered devices such as smartwatches, fitness trackers, and portable medical devices that require accurate timekeeping even when the device is turned off.
- It can be used in automotive applications for real-time clock functions, such as keeping track of maintenance schedules and recording time-stamped events.
Specifications
Parameter | Value | Parameter | Value |
---|---|---|---|
RTC Bus Interface | I2C | Date Format | YY-MM-DD-dd |
Time Format | HH:MM:SS:hh (12 hr, 24 hr) | RTC Memory Size | 56 B |
Battery Backup Switching | Backup Switching | Supply Voltage - Min | 3 V |
Max Supply Voltage | 5.5 V | Minimum Operating Temperature (°C) | - 40 |
Maximum Operating Temperature (°C) | + 85 | Series | DS1338Z |
Mounting Style | SMD/SMT | Function | Calendar, Clock |
Current @ Pmpp | 325 uA | Factory Pack Quantity | 100 |
Unit Weight | 0.017870 oz |
Shipping
Shipping Type | Ship Fee | Lead Time | |
---|---|---|---|
![]() |
DHL | $20.00-$40.00 (0.50 KG) | 2-5 days |
![]() |
Fedex | $20.00-$40.00 (0.50 KG) | 2-5 days |
![]() |
UPS | $20.00-$40.00 (0.50 KG) | 2-5 days |
![]() |
TNT | $20.00-$40.00 (0.50 KG) | 2-5 days |
![]() |
EMS | $20.00-$40.00 (0.50 KG) | 2-5 days |
![]() |
REGISTERED AIR MAIL | $20.00-$40.00 (0.50 KG) | 2-5 days |
Processing Time:Shipping fee depend on different zone and country.
Payment
Terms of payment | Hand Fee | |
---|---|---|
![]() |
Wire Transfer | charge US$30.00 banking fee. |
![]() |
Paypal | charge 4.5% service fee. |
![]() |
Credit Card | charge 3.5% service fee. |
![]() |
Western Union | charge US.00 banking fee. |
![]() |
Money Gram | charge US$0.00 banking fee. |
Guarantees
1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.
2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
Packing
-
Step1 :Product Inventory
-
Step2 :Pressure Relief Packaging
-
Step3 :Anti Static Packaging
-
Step4 :Protective Packaging
-
Step5 :Sealed Packaging
-
Step6 :Preparation for shipment
We will inspect and count all goods before shipping to ensure that all products are intact and in accurate quantity, and will fully package them to ensure that they will not be damaged during transportation.
Q: How can I order the DS1338Z-33?
A: To place an order for the DS1338Z-33, select the "Add to Cart" button associated with the product listing on our website. Once selected, you can finalize your purchase by proceeding to the checkout page, where you can enter your payment and shipping information.
Q: What is the warranty period for the DS1338Z-33?
A: We offer a 1-year warranty on the DS1338Z-33. This warranty covers any defects in materials and artistry under normal use. During the warranty period, if the product is found to be defective, it will be repaired or replaced at no charge. For further details, please refer to our warranty policy.
Q: How does Ovaga ensure the authenticity of DS1338Z-33 from Analog Devices, Inc?
A: Ovaga has a dedicated business development team that rigorously tests and verifies the credentials of original Analog Devices, Inc manufacturers and authorized agents. All Analog Devices, Inc suppliers must pass a qualification review before they can list their DS1338Z-33 products on our platform. We emphasize sourcing from reliable channels and maintaining high product quality standards, ensuring you can make your purchase with confidence.
Q: How can I find detailed information about the DS1338Z-33 chips, such as application notes, factory information, and images?
A: You can utilize Ovaga's intelligent search engine, filter by the Ethernet PHY Products category, or visit the Analog Devices, Inc information page to find comprehensive details about the DS1338Z-33.
Q: Are the price and stock information for DS1338Z-33 on Ovaga's platform accurate?
A: Inventory levels for Analog Devices, Inc products can fluctuate and may not be updated in real time. The information is refreshed periodically within 24 hours. To confirm stock availability and final pricing, you must confirm your order with an Ovaga salesperson or customer service representative before proceeding with payment.
Q: Can I place orders offline with Ovaga?
A: Yes, offline orders are accepted. You can navigate to the "My Orders" section and enter transaction management to place your order. Reviewing the "Order Details" and proceeding to place the order is straightforward. Additionally, you may benefit from coupons or selected gifts when ordering online.
Q: What payment methods are accepted by Ovaga?
A: Ovaga accepts various payment methods, including Wire Transfer, PayPal, Credit Cards, Western Union, and Money Gram.
Q: How is shipping arranged, and how can I track my package?
A: Customers can choose from industry-leading freight companies such as DHL, FedEx, UPS, TNT, EMS, and Registered Air Mail. Once your order is processed for shipment, you will receive an email with the shipping status and tracking number. Note that tracking information may take up to 24 hours to be displayed by carriers. Typically, express delivery takes 2-5 days.
Q: What is the return or replacement process for DS1338Z-33?
A: Ovaga conducts Pre-Shipment Inspections (PSI) on all orders to ensure quality before shipment. Suppose there are issues such as quantity discrepancies, incorrect items, or visible defects (e.g., breakage or rust), and they are acknowledged by us. In that case, returns or replacements will be accepted under the following conditions:
- ●The defect must be reported within 365 days after delivery.
- ●The product must be unused and in its original, unopened packaging.
- ●Requesting Return Authorizations must be obtained.
For the return process:
- ●Please inform us within 365 days of receiving the product.
- ●Obtain Return Authorization from our team.
- ●Please refer to our After-Sale Matters for more detailed instructions.
Q: How can I contact Ovaga for support, including obtaining datasheets or pin diagrams for the DS1338Z-33?
A: For any after-sales support or technical inquiries, including requests for datasheets or pin diagrams, please get in touch with us via email at [email protected].
Q: What can you tell me about Ovaga's quality assurance practices?
A: Ovaga is committed to maintaining the highest standards of quality. We are certified under ISO14001, ISO 9001, IATF16949, ISO13485, and DUNS standards by the Quality Systems Registrar. This certification signifies that our operational systems meet stringent international standards in quality management. Our compliance is regularly reviewed and tested to ensure ongoing adherence to these standards, affirming our commitment to quality and continuous improvement.
Q: What do the ISO, IATF, and DUNS certifications mean for customers of Ovaga?
A: Our ISO, IATF, and DUNS certifications assure customers that Ovaga operates systems that are both accurate and comprehensive, meeting the rigorous requirements of the ISO, IATF, and DUNS standards. This certification underscores our long-term commitment to continuous improvement across our operations. As a note to our customers, while we strive for accuracy in product data on our website, we recommend referring to the manufacturer's datasheet or catalog for confirmed product specifications before placing an order. If you identify any discrepancies, please get in touch with us immediately.
Equivalent Parts
For the DS1338Z-33 component, you may consider these replacement and alternative parts:
Part Number
Brands
Package
Description
Part Number : DS1338Z-18
Brands :
Package :
Description :
Part Number : DS1338Z-33+
Brands :
Package : SOIC-8
Description : RTC IC, Date Time Format (Day/Date/Month/Year ss:mm:hh), I2C, Serial, 3 V to 5.5 V, SOIC-8
Part Number : DS1338Z-33+T&R
Brands :
Package : SOIC-8
Description : RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss), I2C, 3 V to 5.5 V, NSOIC-8
Part Number : DS1338Z-33IND+
Brands :
Package :
Description :
Part Number : DS1338Z-33IND+T&R
Brands :
Package :
Description :
Part Number : DS1338Z-33T&R
Brands :
Package :
Description :
Part points
-
The DS1338Z-33 is a highly accurate, real-time clock (RTC) from Analog Devices. It features a compact SOIC-8 package, making it suitable for space-constrained applications. Key features include long battery backup, fast data transfer, low power consumption, and high-accuracy temperature compensation. This RTC finds application in portable devices, smart meters, medical devices, industrial automation systems, and more. To introduce the DS1338Z-33, focus on its benefits for different industries, its unique features that set it apart from competitors, and how easy it is to integrate into various designs.
-
Equivalent
The equivalent product of DS1338Z-33 is likely another high-resolution, low-power real-time clock (RTC) from Analog Devices or a competitor in the I2C/Serial interface category. -
Features
The DS1338Z-33 is a Real-Time Clock (RTC) module designed for low power consumption and compact surface-mount design. Some key features of the DS1338Z-33 are:
**Long Battery Backup**: The device supports efficient battery usage, allowing devices to run longer on limited power.
**High-Resolution RTC**: It provides accurate timekeeping functionality, essential for applications that require precise timing.
**Industrial Temperature Range**: The device is designed to operate reliably in a wide range of industrial temperatures.
**I2C/Serial Interface Support**: It offers easy integration with other microcontrollers and systems using standard I2C or serial interfaces. These features make the DS1338Z-33 an ideal choice for applications that require precise timing, low power consumption, and a compact design. -
Pinout
The DS1338Z-33 is an analog real-time clock (RTC) in a SOIC-8 package. It does not have a specific pin count, as the exact number depends on the device's layout within the package. However, typically RTC devices like DS1338Z-33 would have at least a VCC (power supply), GND (ground), and SDA/SCL for I2C communication. The actual pinout would require consultation with the datasheet or Analog Devices' website. -
Manufacturer
The manufacturer of the DS1338Z-33 is Analog Devices, a leading global semiconductor company. Analog Devices specializes in developing and providing high-performance integrated circuits for various industries, including telecommunications, automotive, and consumer electronics. -
Application Field
The DS1338Z-33 is a versatile real-time clock (RTC) suitable for various applications. It can be used in low-power devices like smartphones, wearable tech, and medical devices. Additionally, it finds application in data logging systems, smart meters, and automation control systems. Its compact size and high accuracy make it an ideal choice for diverse scenarios. -
Package
The DS1338Z-33 has a Package type of SOIC-8, which stands for Small Outline Integrated Circuit with an 8-pin layout.
Assembly Advice
No need to assemble boards by yourself anymore—Ovaga is here to help! We offer free assembly services for parts like DS1338Z-33. Simply sign in to Ovaga and take advantage of discounts and free assembly options. Let us handle the work while you focus on your projects!
Learn more about our PCB services-
Pre-order the parts you need through Ovaga’s platform.
-
Once your parts are pre-ordered, simply place a PCBA order with us, and we’ll take care of the assembly for you.
-
Ovaga will produce and assemble your boards efficiently, with a quick turnaround of just 3 days!
PCB & SMT
PCB Assembly and Production Services
Professional Model >>Circuit Assembly Showcase

Datasheet PDF
We provide high quality products, thoughtful service and after sale guarantee
-
We have rich products, can meet your various needs.
-
Minimum order quantity starts from 1pcs.
-
Lowest international shipping fee starts from $0.00
-
365 days quality guarantee for all products
Recommend
Assemble PCBs
One-Stop PCB & PCBA Services From design to production, delivered fast and cost-effectively. Certified quality:lATF16949,1S013485 IS09001.1S014001.
Fulfillment: Turnkey or consigned
Quantity: 1-10,000+pcs.
Quality Grade: IPC3
Lead time: as short as 2 days
Other: AOI. X-ray SPI, ICT