Renesas ISL1208IB8Z
IC with 2-wire I2C communication protocol, RTC functionality, 2Kb SRAM memory, SO8 package, and voltage supply range of 2.7V to 5.5V





Brands: Renesas Technology Corp
Mfr.Part #: ISL1208IB8Z
Datasheet: ISL1208IB8Z Datasheet (PDF)
Package/Case: SOIC-8
Product Type: Real Time Clocks
RoHS Status:
Stock Condition: 4,270 pcs, New Original
Warranty: 1 Year Ovaga Warranty - Find Out More
0
1
ISL1208IB8Z General Description
Whether you're designing a new electronics project or upgrading an existing system, the ISL1208IB8Z is an excellent choice for adding real time clock functionality. Its robust feature set, including power fail indicator and battery backup, ensures that your data will remain safe and accurate in any situation. The device's simple interface and low-cost crystal make it easy to integrate into your design, while its precise timing capabilities make it a reliable solution for a wide range of applications
Features
- Precision timekeeping and scheduling
- Fault-tolerant design for reliable operation
- Ideal for IoT and industrial control applications
Specifications
Parameter | Value | Parameter | Value |
---|---|---|---|
Pkg. Type | SOICN | Carrier Type | Tube |
MOQ | 1200 | Base Product Number | ISL1208 |
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 ISL1208IB8Z?
A: To place an order for the ISL1208IB8Z, 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 ISL1208IB8Z?
A: We offer a 1-year warranty on the ISL1208IB8Z. 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 ISL1208IB8Z from Renesas Technology Corp?
A: Ovaga has a dedicated business development team that rigorously tests and verifies the credentials of original Renesas Technology Corp manufacturers and authorized agents. All Renesas Technology Corp suppliers must pass a qualification review before they can list their ISL1208IB8Z 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 ISL1208IB8Z 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 Renesas Technology Corp information page to find comprehensive details about the ISL1208IB8Z.
Q: Are the price and stock information for ISL1208IB8Z on Ovaga's platform accurate?
A: Inventory levels for Renesas Technology Corp 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 ISL1208IB8Z?
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 ISL1208IB8Z?
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.
Part points
-
The ISL1208IB8Z is a highly integrated Real-Time Clock (RTC) designed by Renesas for various applications where accurate timing and low power consumption are essential. Key features include an integrated crystal, battery-backed user SRAM, support for I2C interface, and industrial temperature range. These attributes make the ISL1208IB8Z a versatile choice for portable medical devices, smart meters, and consumer electronics.
-
Equivalent
There isn't a concise list of exact equivalents, but similar real-time clock (RTC) modules from Renesas with integrated crystal might include ISL6410 or ISL642
Always refer to the datasheets for specific requirements and compatibility. -
Features
The ISL1208IB8Z is a real-time clock (RTC) with key features:
Battery-backed RTC for timekeeping in low-power modes.
Supports I2C interface for easy integration into various systems.
Wide operating voltage range (1.8V to 5.5V), suitable for industrial and consumer applications.
Low power consumption, which prolongs battery life.
Integrated crystal for precise timekeeping.
Accurate timekeeping within ±5ppm.
128 bytes of user SRAM with battery backup for data storage.
Automatic backup switchover for seamless operation.
Industrial temperature range (-40°C to +85°C) for robust performance in challenging environments. 1
Compact 8-lead SOIC package, minimizing board space. These features make the ISL1208IB8Z an ideal choice for applications requiring accurate timekeeping and low power consumption. -
Pinout
The ISL1208IB8Z has a pin count of
Here are the key functions:
VDD (Pin 1): Power supply input, typically between 1.8V and 5.5V.
SW (Pin 2): Switch input for power-on reset (POR) or software-controlled clock enable.
SDA (Pin 3) & SCL (Pin 4): I2C communication interface pins.
ALARM (Pin 5): Output signal that triggers when an alarm condition is met.
RTC_OUT (Pin 6): Real-time clock output, typically connected to a microcontroller's external interrupt pin.
VBAT (Pin 7): Battery voltage input, used for monitoring battery health. Remember to consult the datasheet for detailed specifications and wiring diagrams. -
Manufacturer
The manufacturer of the ISL1208IB8Z is Renesas, a Japanese multinational semiconductor company. Renesas focuses on advanced technology solutions for various industries. -
Application Field
The ISL1208IB8Z is a versatile real-time clock used in portable medical devices, industrial automation, smart meters, consumer electronics, requiring accurate timing and low power consumption. -
Package
The ISL1208IB8Z has a small 8-lead SOIC package type.
Assembly Advice
No need to assemble boards by yourself anymore—Ovaga is here to help! We offer free assembly services for parts like ISL1208IB8Z. 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
I love the quick shipping and high-quality products from Ovaga. The customer service is excellent.