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  1. Home
  2. /Products
  3. /Integrated Circuits - ICs
  4. /Clock & Timer ICs
  5. /ISL1221IUZ
ISL1221IUZ thumbnail 1
Renesas

ISL1221IUZ

Category
Clock & Timer ICs
Manufacturer
RenesasDetails
RoHS Status
Datasheet
—
Description
Low Power RTC with Battery Backed SRAM and Event Detection
Similar Products
—
Quality Control
Authentic & Traceable
Shipping (In-stock)
1-3 business days
Quote Response
Within 24 Hours
Stock Status4720
QuantityISL1221IUZ
Country

Get Tiered Pricing (Submit RFQ)

Specification
Product Details
Key Features
TypeDescriptionTypeDescription
Lead Count (#)10Carrier TypeTube
Moisture Sensitivity Level (MSL)2Pb (Lead) FreeYes
Pb Free CategoryPb-Free 100% Matte Tin Plate w/Anneal-e3Temp. Range (°C)-40 to +85°C
Alarms (#)1Battery BackupYes
Battery Current (nA)400Battery SealYes
Batttery Voltage Range (V)1.8 - 5.5CPU Supervisory Function PORNo
CPU Supervisory Function Watchdog TimerNoCrystal Frequency TrimmingYes
Frequency OutFOUTFrequency Out PinYes
IRQ PinYesIRQ_barIRQ_bar/EVDET_bar
InterfaceI2CLength (mm)3
Certified Quality & Compliance
Purchase & Inquiry
Secure Packaging
Shipping & Availability
Payment

YG GROUP (YUGUANG INTERNATIONAL(HK)CO.,LTD) supports reliable sourcing through quality controls and compliance documentation. Please confirm product requirements, applicable certifications and supporting documents before ordering.

  • 1. Certification Scope: Quality certifications apply only to the entities, sites and activities listed in valid certificates. Management system certification does not certify each individual product.
  • 2. Product Authenticity: Products must match the agreed manufacturer, part number and condition. Supplier screening and authenticity checks help reduce counterfeit risk.
  • 3. Inspection & Testing: The inspection scope follows product risks and agreed requirements. Additional testing, laboratory arrangements, costs and lead times require written confirmation.
  • 4. Traceability & Documentation: Request conformity certificates, traceability records or test reports before ordering. Document availability, issuer and coverage must be confirmed for the offered goods.
  • 5. Environmental Compliance: RoHS and REACH information is based on applicable manufacturer documentation. Confirm the exact part, declaration date and relevant exemptions before ordering.
  • 6. Handling & Protection: Handling, storage and packaging follow applicable product requirements, including ESD and moisture protection where required. Special handling requirements must be agreed before ordering.
ERAI

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Product FAQ
Purchasing FAQ

What type of component is ISL1221IUZ, and what package does it use?

ISL1221IUZ is an authentic electronic component manufactured by Renesas, categorized under Clock & Timer ICs. It is supplied in the standard manufacturer-specified package footprint, providing industry-standard mechanical dimensions and terminal configurations for board-level assembly. Full pinout configurations, physical footprint drawings, and rated operating tolerances are documented in the official ISL1221IUZ datasheet above.

Why is dynamic quotation used instead of a fixed price for ISL1221IUZ?

Electronic component spot-market pricing for ISL1221IUZ fluctuates based on real-time global availability, production date codes, minimum order quantities (MOQ), and packaging formats (e.g., Reel, Tube, Tray). Using an RFQ ensures you receive accurate, real-time volume pricing tied to verified, traceable inventory rather than stale catalog estimates.

What is the delivery timeline after placing an order for ISL1221IUZ?

Lead times for ISL1221IUZ depend on whether stock is dispatched from our central hub or regional franchise partners. Ready-to-ship inventory typically leaves the warehouse within 1–3 business days following quality inspection, while factory-direct or back-ordered allocations are confirmed with an estimated ship date upon RFQ reply.

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