Name: DS1644-120
Brand: Maxim Integrated
SKU: DS1644-120_1A3
Availability: InStock
Rating: 5 (160 reviews)

DS1644-120

For Reference Only

Part Number	DS1644-120
Manufacturer	Maxim Integrated
Description	IC RTC CLK/CALENDAR PAR 28-EDIP
Datasheet	DS1644-120 Datasheet DS1644-120 Specifications
Package	28-DIP Module (0.600", 15.24mm)
ECAD
In Stock	33,888 piece(s)
Unit Price	Request a Quote
Lead Time	Can Ship Immediately
Estimated Delivery Time	Apr 30 - May 5 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # DS1644-120 (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 DS1644-120 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add DS1644-120 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of DS1644-120.

DS1644-120 Specifications

Manufacturer	Maxim Integrated
Category	Integrated Circuits (ICs) - Clock/Timing - Real Time Clocks
Package	28-DIP Module (0.600", 15.24mm)
ECAD
Series	-
Type	Clock/Calendar
Features	Leap Year, NVSRAM
Memory Size	32KB
Time Format	HH:MM:SS (24 hr)
Date Format	YY-MM-DD-dd
Interface	Parallel
Voltage - Supply	4.5 V ~ 5.5 V
Voltage - Supply, Battery	-
Current - Timekeeping (Max)	4mA @ 4.5V ~ 5.5V
Operating Temperature	0°C ~ 70°C
Mounting Type	Through Hole
Package / Case	28-DIP Module (0.600", 15.24mm)
Supplier Device Package	28-EDIP

DS1644-120 Datasheet

DS1644-120 Reviews

Phoe*****Nagy

March 8, 2023

★ ★ ★ ★ ★

Absolutely awesome, quick delivery, perfect product exactly as described!

Arie*****Chadha

March 7, 2023

★ ★ ★ ★ ★

Arrived safely. All OK. Thanks

Anahi*****anathan

February 19, 2023

★ ★ ★ ★ ★

High level customer service, and quick response.

Write a Review

★★★★★

Not Rated

Thanks for Your Review!

DS1644-120 Packaging

DS1644-120 FAQ

1. How to order DS1644-120 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 DS1644-120 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the DS1644-120. All suppliers must pass our qualification reviews before they can publish their products including DS1644-120 on Heisener; we pay more attention to the channels and quality of DS1644-120 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the DS1644-120 price and inventory displayed accurate?

The price and inventory of DS1644-120 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 DS1644-120?

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 DS1644-120 we delivered, we will accept the replacement or return of the DS1644-120 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 DS1644-120.

(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 DS1644-120 pin diagram, DS1644-120 datasheet?

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

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DS1644-120 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

DS1644-120

Maxim Integrated Products

Min Qty 1

DS1644-120+

Maxim Integrated Products

Min Qty 1

Part Number

Manufacturer

Description

Stock

DS1644+120

Dallas Semiconductor

In stock shipping within 2days

642

DS1644-120

Dallas Semiconductor

In stock shipping within 2days

3936

Part Number	Manufacturer	Description	Stock
DS1644120IND	DS	OEM/CM QUOTES ONLY \| NO BROKERS	1725
DS1644120		OEM/CM QUOTES ONLY \| NO BROKERS	5750
DS1644120PULLS	DAL	OEM/CM QUOTES ONLY \| NO BROKERS	8

Part Number

Manufacturer

Description

Stock

DS1644120MAXIM

Maxim Integrated Products

OEM/CM ONLY

1088

Part Number

Manufacturer

Description

Stock

DS1644+120

Dallas Semiconductor

OEM/CM Immediate delivery

Part Number

Manufacturer

Description

Stock

DS1644-120+

D# 75Y6249

Maxim Integrated Products

IC, NVRAM 256K, 1644, EDIP28, Memory Size:256Kbit, NVRAM Memory Configuration:32K x 8bit, Supply Voltage Min:4.5V, Supply Voltage Max:5.5V, Memory Case Style:DIP, No. of Pins:28Pins, IC Interface Type:Bytewide, Access Time:120ns, RoHS Compliant: Yes

RoHS: Compliant

Min Qty: 1

Container: Bulk

Part Number

Manufacturer

Description

Stock

DS1644-120

D# NS-DS1644-120

Maxim Integrated Products

OEM/CM ONLY

6142

DS1644-120+

D# NS-DS1644-120+

DALLAS

OEM/CM ONLY

8005

Part Number

Manufacturer

Description

Stock

DS1644-120

Dallas Semiconductor

Real Time Clock, Non-Volatile, 28 Pin, Plastic, DIP

Part Number

Manufacturer

Description

Stock

DS1644120IND

OEM/CM ONLY

1511

DS1644120

Dallas Semiconductor

OEM/CM ONLY

123

Part Number

Manufacturer

Description

Stock

DS1644+120

Dallas Semiconductor

IN stock Immediate delivery

Part Number

Manufacturer

Description

Stock

DS1644-120

Maxim Integrated Products

shipping today

999

DS1644-120+

Dallas Semiconductor

shipping today

Part Number	Manufacturer	Description	Stock
DS1644-120IND	DS	RFQ	10723
DS1644-120	Dallas Semiconductor	RFQ	8783
DS1644-120+	Maxim Integrated Products	RFQ	2266

Part Number	Manufacturer	Description	Stock
DS1644+120	Maxim Integrated Products		200
DS1644-120	Maxim Integrated Products	IC RTC CLK/CALENDAR PAR 28-EDIP / Real Time Clock Parallel 32Kbyte Clock/Calendar/NV Timekeeping RAM 28-Pin EDIP	40
DS1644-120+	Maxim Integrated Products	IC RTC CLK/CALENDAR PAR 28-EDIP	7

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DS1644-120

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