DS1391U-33+ Maxim Integrated Integrated Circuit (Small Outline Packages) In Stock

Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle Charger

ACTIVEIntegrated CircuitVerified Jun 2026
Package / Visual Reference
DS1391U-33+Small Outline Packages
Quick Facts
Manufacturer
Maxim Integrated
Package
Small Outline Packages
Pin Count
10
Lifecycle
ACTIVE
Category
Integrated Circuit
Price
From $2.5650(MOQ 1)
Temp Range
-40.0°C to 85.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

Specifications

Manufacturer Package Code10-MINI_SO-N/A
Date Of Intro2004-07-26
YTEOL10
Clock Frequency-Max0.032MHz
Information Access MethodSERIAL(SPI), SERIAL, 3-WIRE
Interrupt CapabilityY
JESD-30 CodeS-PDSO-G10
JESD-609 Codee3
Package Body MaterialPLASTIC/EPOXY
Package Equivalence CodeTSSOP10,.19,20
Package ShapeSQUARE
Package StyleSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel)260
Qualification StatusNot Qualified
Supply Voltage-Max5.5V
Supply Voltage-Min2.97V
Supply Voltage-Nom3.3V
Surface MountYES
TechnologyCMOS
Temperature GradeINDUSTRIAL
Terminal FinishMatte Tin (Sn) - annealed
Terminal FormGULL WING
Terminal Pitch0.5mm
Terminal PositionDUAL
Time-Min1/100 SECOND
Time@Peak Reflow Temperature-Max (s)30
VolatileNO
uPs/uCs/Peripheral ICs TypeTIMER, REAL TIME CLOCK
PackageSmall Outline Packages

Compliance & Regulatory

RoHS StatusCompliant
Moisture Sensitivity LevelMSL 1
ECCNEAR99
HTS Code8542.39.00.60
Country of OriginJapan, Mainland China, Malaysia, Philippines, Singapore, South Korea, Taiwan, Thailand, USA

Datasheet

DS1391U-33+ Datasheet Download

Official datasheet from Maxim Integrated

Alternate & Equivalent Parts

No known alternates. Submit an RFQ and our team can suggest alternatives.

Frequently Asked Questions

What is the price of DS1391U-33+?

DS1391U-33+ is priced from $2.5650 USD depending on quantity. Submit an RFQ on FindMyChip for the best current pricing from authorized China distributors.

Is DS1391U-33+ in stock?

DS1391U-33+ is listed as in stock at FindMyChip, sourced from authorized distributors, and ships worldwide with typical 3-7 business day lead time. Submit an RFQ for current quantity pricing, MOQ, and confirmed availability.

Where can I buy DS1391U-33+?

You can buy DS1391U-33+ from FindMyChip, a B2B electronic component platform sourcing from China distributors. We offer competitive pricing and low MOQ for DS1391U-33+ from Maxim Integrated.

What is the datasheet for DS1391U-33+?

The official DS1391U-33+ datasheet from Maxim Integrated contains full specifications including pin configuration, electrical characteristics, and application notes. Download it directly from the datasheet section above.

What package does DS1391U-33+ come in?

DS1391U-33+ is available in Small Outline Packages packaging. See the package diagram and pinout above for detailed dimensional information.

Why Buy from FindMyChip

Authorized Source
Verified supply chain with full traceability & inspection
$
Competitive Pricing
Factory-direct from China distributors, low MOQ
Fast Shipping
DHL Express 3–5 days · FedEx/UPS 5–7 days worldwide
Quality Guaranteed
30-day replacement for defective parts, no questions asked

About Maxim Integrated

Maxim Integrated is a leading electronic component manufacturer. FindMyChip sources Maxim Integrated ICs directly from authorized China distributors, offering competitive pricing and reliable stock.

AvailabilityIn Stock
Reference Price (USD)
From $2.5650
Buy from 1pc · Factory-direct pricing
Qty.Unit PriceExt. Price
1+$6.7500$6.75
2+$4.5000$9.00
3+$3.6100$10.83
5+$3.3345$16.67
10+$3.2400$32.40
20+$2.5650$51.30
pcs
Unit price: $6.7500 · Total: $6.75

In Stock · 24h Response · Worldwide Shipping

Lead Time3-7 business days
MOQFrom 1 piece
ShippingDHL / FedEx / UPS
OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.

MR
Marco Rossi
CTO, AutoDrive Systems, Italy