Name: DS1391U-18+
Brand: Maxim Integrated
SKU: DS1391U-18
Price: 4.8764 USD
Availability: InStock
Rating: 5 (119 reviews)

DS1391U-18+

For Reference Only

Part Number	DS1391U-18+
Manufacturer	Maxim Integrated
Description	IC RTC CLK/CALENDAR SPI 10-USOP
Datasheet	DS1391U-18+ Datasheet DS1391U-18+ Specifications
Package	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
ECAD
In Stock	8,052 piece(s)
Unit Price	$ 4.8764 *
Lead Time	To be Confirmed
Estimated Delivery Time	May 2 - May 7 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # DS1391U-18+ (Clock/Timing - Real Time Clocks) is manufactured by Maxim Integrated and distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

For DS1391U-18+ specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add DS1391U-18+ with quantity into BOM. Heisener.com does NOT require any registration to request a quote of DS1391U-18+.

DS1391U-18+ Specifications

Manufacturer	Maxim Integrated
Category	Integrated Circuits (ICs) - Clock/Timing - Real Time Clocks
Package	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
ECAD
Series	-
Type	Clock/Calendar
Features	Alarm, Leap Year, Square Wave Output, Trickle-Charger
Memory Size	-
Time Format	HH:MM:SS:hh (12/24 hr)
Date Format	YY-MM-DD-dd
Interface	SPI
Voltage - Supply	1.71 V ~ 1.89 V
Voltage - Supply, Battery	1.3 V ~ 3.7 V
Current - Timekeeping (Max)	100µA @ 1.71V ~ 1.89V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Supplier Device Package	10-uMAX

DS1391U-18+ Datasheet

DS1391U-18+ Reviews

Reya*****Sutton

April 4, 2023

★ ★ ★ ★ ★

Work Great. Would recommend. Only used 2. So I have 248 extras. Best deal by far that's why I got these.

Yare*****hatia

March 23, 2023

★ ★ ★ ★ ★

Fast delivery, good quality, 100% satisfacted

Denn*****aley

March 23, 2023

★ ★ ★ ★ ★

Fantastic quality products with fair and prompt shipping. Would save much time crossing all the features. Thank you for all your effort.

Justi*****lkerson

March 19, 2023

★ ★ ★ ★ ★

Very good connector, easy to realise and with Low price

Juli*****avis

March 16, 2023

★ ★ ★ ★ ★

Quality made product satisfied with my purchase. Thanks.

Roc*****Rush

March 12, 2023

★ ★ ★ ★ ★

Boundless range of products, ease of search and fast delivery continue to impress. Heisener is always my first stop for electronic components.

Li***** Kar

March 7, 2023

★ ★ ★ ★ ★

They are great as I need, I give 5 stars.

Heidi*****gerald

March 7, 2023

★ ★ ★ ★ ★

very pleased with item, thank you.

Write a Review

★★★★★

Not Rated

Thanks for Your Review!

DS1391U-18+ Packaging

DS1391U-18+ FAQ

1. How to order DS1391U-18+ on Heisener?

Currently, Heisener only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.
2. How does Heisener guarantee that DS1391U-18+ is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the DS1391U-18+. All suppliers must pass our qualification reviews before they can publish their products including DS1391U-18+ on Heisener; we pay more attention to the channels and quality of DS1391U-18+ products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the DS1391U-18+ price and inventory displayed accurate?

The price and inventory of DS1391U-18+ fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.
5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.
6. What is the process for return or replacement of DS1391U-18+?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the DS1391U-18+ we delivered, we will accept the replacement or return of the DS1391U-18+ only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of DS1391U-18+.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations
7.How to contact us to get technical supports, such as DS1391U-18+ pin diagram, DS1391U-18+ datasheet?

If you need any after-sales service, please do not hesitate to contact us.

DS1391U-18+ Related Products

1812Y0100683FCT	Knowles Syfer, CAP CER 0.068UF 10V C0G/NP0 1812, 1812 (4532 Metric), -	View
1206J1503P90DQT	Knowles Syfer, CAP CER 3.9PF 150V C0G/NP0 1206, 1206 (3216 Metric), -	View
RT9013-12GQW	Richtek USA Inc., IC REG LINEAR 1.2V 500MA 6WDFN, 6-WDFN Exposed Pad, -	View
DM74ALS258MX	Fairchild/ON Semiconductor, IC DATA SELECTOR/MUX QUAD 16SOIC, 16-SOIC (0.154", 3.90mm Width), -	View
LMLK1-1REC4-36464-100-V	Sensata Technologies/Airpax, CIR BRKR MAG-HYDR LEVER, -, -	View
D2TO020CR0160FTE3	Vishay Sfernice, RES SMD 0.016 OHM 1% 20W TO263, TO-263-3, D2Pak (2 Leads + Tab), TO-263AB, -	View
CRCW0805196RFKEAHP	Vishay Dale, RES SMD 196 OHM 1% 1/2W 0805, 0805 (2012 Metric), -	View
75915-404LF	Amphenol FCI, CONN RCPT 4POS .100" SGL PCB, -, -	View
TVPS00RK9-94S	Amphenol Aerospace Operations, CONN RCPT FMALE 2POS GOLD CRIMP, -, -	View
TVPS00RF-15-15HC	Amphenol Aerospace Operations, CONN RCPT MALE 15POS GOLD CRIMP, -, -	View
ECA28DTAD	Sullins Connector Solutions, CONN EDGE DUAL FMALE 56POS 0.125, -, -	View
V48A48E500BL2	Vicor Corporation, CONVERTER MOD DC/DC 48V 500W, Full Brick, -	View

DS1391U-18+ Guarantees

Service Guarantees

We guarantee 100% customer satisfaction.

Our experienced sales team and tech support team back our services to satisfy all our customers.

Quality Guarantees

We provide 90 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.

Global Supply Chains - Reliable and Authorized Distributor Resources

Part Number

Manufacturer

Description

Stock

DS1391U-18

D# DS1391U-18

Maxim Integrated Products

Real Time Clock 3-Wire Serial 1.8V 10-Pin uSOP - Bulk (Alt: DS1391U-18)

RoHS: Not Compliant

DS1391U-18+

D# DS1391U-18+

Maxim Integrated Products

Real Time Clock Serial 10-Pin uMAX - Bulk (Alt: DS1391U-18+)

Part Number

Manufacturer

Description

Stock

DS1391U-18+

D# DS1391U-18+

Maxim Integrated Products

Real Time Clock Serial 10-Pin uMAX (Alt: DS1391U-18+)

Part Number

Manufacturer

Description

Stock

DS1391U-18+

Maxim Integrated Products

IC RTC CLK/CALENDAR SPI 10-USOP

113

Part Number

Manufacturer

Description

Stock

DS1391U-18+

D# DS1391U-18+-ND

Maxim Integrated Products

IC RTC CLK/CALENDAR SPI 10-USOP

DS1391U-18

D# 2156-DS1391U-18-ND

Rochester Electronics LLC

IC BATT CHG SPI RTC W/TRICKLE

7875

Part Number

Manufacturer

Description

Stock

DS1391U-18+

Maxim Integrated Products

Low-Voltage SPI/3-Wire RTCs with Trickle Charger

RoHS: Compliant

pbFree: Yes

Part Number

Manufacturer

Description

Stock

DS1391U18

Rochester Electronics LLC

OEM/CM QUOTES ONLY | NO BROKERS

9056

Part Number

Manufacturer

Description

Stock

DS1391U18

Maxim Integrated Products

OEM/CM ONLY

862

Part Number

Manufacturer

Description

Stock

DS1391U-18+

D# 700-DS1391U-18

Maxim Integrated Products

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

RoHS: Compliant

175

Part Number

Manufacturer

Description

Stock

DS1391U-18+

D# 73Y1262

Maxim Integrated Products

RTC, D-D-M-Y, HH:MM:SS:HH, USOP-10, Date Format:Day, Date, Month, Year, Clock Format:HH:MM:SS:hh, Clock IC Type:Alarm RTC, Supply Voltage Min:1.71V, Supply Voltage Max:1.89V, Clock IC Case Style:µSOP, No. of Pins:10Pins RoHS Compliant: Yes

RoHS: Compliant

Min Qty: 1

Container: Bulk

Part Number

Manufacturer

Description

Stock

DS1391U-18

Maxim Integrated Products

DS1391 Low-Voltage Spi/3-Wire Rtc With Trickle Charger

RoHS: Not Compliant

7875

Part Number

Manufacturer

Description

Stock

DS1391U18

Maxim Integrated Products

OEM/CM ONLY

3266

Part Number

Manufacturer

Description

Stock

DS1391U-18+

Maxim Integrated Products

RFQ

5676

Quick Inquiry

DS1391U-18+

Certified Quality

Heisener's commitment to quality has shaped our processes for sourcing, testing, shipping, and every step in between. This foundation underlies each component we sell.

ISO9001:2015, ICAS, IAF, UKAS