What is the Additional Feature ?

Name: DS1644P-120
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS1644P-120
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

Cart ( )

lmages are for reference only See Product Specifications

Analog Devices Inc./Maxim Integrated DS1644P-120

Part No.:: DS1644P-120

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: 34-PowerCap™ Module

Datasheet:: DS1644P-120.pdf

Description:: IC RTC CLK/CALENDAR PAR 34-PCM

In Stock:: 2044

Quantity:: Add To Cart

For more detailed including pricing and shipping

: Quick response, quick quotation

: Flash shipment, no worries after sales

: Original channel, guarantee of the authentic products

Please send RFQ , we will respond immediately.

Purchase and inquiry

DS1644P-120 Specifications

Package/Case:
34-PowerCap™ Module
Packaging:
Tube
Series:
-
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Leap Year, NVSRAM
MemorySize:
32KB
TimeFormat:
HH:MM:SS (24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
Parallel
Voltage-Supply:
4.5V ~ 5.5V
Voltage-SupplyBattery:
3V
Current-Timekeeping(Max):
4mA @ 4.5V ~ 5.5V
OperatingTemperature:
0°C ~ 70°C
MountingType:
Surface Mount

DS1644P-120 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DS1644P-120 price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for DS1644P-120 to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

Purchase in icwhale.com

There is no doubt that you may place an order without registering to icwhale.com.

We strongly suggest you sign in our shop before purchasing as you can track your order real-time tracking.

Means of Payment in icwhale.com

For your convenience, we support multiple payment methods in USD, including PayPal, Credit Card, wire transfer. and Alipay.

RFQ (Request for Quotations) in icwhale.com

It is recommended to acquire for quotations to get the latest prices and inventories about the parts.

Our sales will reply to your request by email within 24 hours.

Warm reminder

1. You'll receive an order information email in your email inbox. (Please remember to check the spam folder if you didn't hear from us).

2. Since inventories and prices may fluctuate to some extent, the sales manager is going to reconfirm the order and let you know if there are any updates.

Shipping & Handling

Shipping fee starts at $35, but some countries will exceed $35. For example (South Africa, Brazil, India, Pakistan, Israel, etc.)

The basic freight (for package ≤0.5kg or corresponding volume) depends on the time zone and countries.

Shipping Method

Currently, our products are shipped through DHL, FedEx, SF, UPS and China Post.

Order Tracking for International Orders

Once your order has been shipped, the tracking number will be sent to the email address registered to your account. This information can also be viewed when logged into your account in the "my account" page.

DS1644P-120 information

Views：

Basic introduction and simple engineering application of DS1644P-120

DS1644P-120 is a non-volatile static RAM (NVSRAM) integrated circuit manufactured by Maxim Integrated. It combines the functionality of a static RAM with the non-volatility of an EEPROM, making it suitable for applications requiring data retention in the absence of power.

Basic Introduction:

The DS1644P-120 features a 128kbit (16K x 8) non-volatile static RAM organized as 16,384 words by 8 bits. It operates with a 5V power supply and is available in a 28-pin DIP package, making it easy to integrate into various electronic designs.

Application Scenario:

In a simple project, DS1644P-120 can be utilized to store critical system parameters or user settings in a microcontroller-based system. For example, it can be used in a temperature monitoring system to store threshold values for temperature alerts.

Experiment Steps:

1. Circuit Connection:

Connect DS1644P-120 to a microcontroller, such as an Arduino, using the SPI (Serial Peripheral Interface) protocol. Ensure proper wiring of the SPI pins (SCK, MISO, MOSI) between the microcontroller and DS1644P-120.

2. Initialization:

Write initialization code in the microcontroller to configure the SPI communication and set up the DS1644P-120 for operation. This may involve sending commands to set the read and write modes, as well as configuring any necessary control registers.

3. Data Storage:

Write data to the DS1644P-120 using SPI commands. For example, in a temperature monitoring system, store threshold values for temperature alerts in specific memory locations of the DS1644P-120.

4. Data Retrieval:

Read data from the DS1644P-120 using SPI commands. Retrieve the stored threshold values from memory locations and use them in the firmware logic of the microcontroller to compare with real-time temperature measurements.

5. Error Handling:

Implement error handling routines in the firmware to manage communication errors or data corruption issues that may occur during interaction with the DS1644P-120. Use checksums or redundancy checks to ensure data integrity.

Considerations:

- Power Supply: Ensure a stable and sufficient power supply to both the microcontroller and DS1644P-120 to prevent data loss or corruption.

- SPI Configuration: Verify the SPI communication settings, such as clock frequency and data format, to match the requirements of DS1644P-120.

- Data Retention: Test the data retention capability of DS1644P-120 by powering off the system and verifying that the stored data remains intact upon power restoration.

- Compatibility: Check the compatibility of DS1644P-120 with the microcontroller and ensure proper voltage levels and signal levels are maintained throughout the system.

- Environmental Considerations: Consider the operating temperature range and environmental conditions in which the system will be deployed to ensure reliable performance of DS1644P-120.

DS1644P-120 FAQ

1. How to order DS1644P-120 on icwhale.com?

Currently, icwhale.com 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 icwhale.com guarantee that DS1644P-120 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the DS1644P-120. All suppliers must pass our qualification reviews before they can publish their products including DS1644P-120 on icwhale.com; we pay more attention to the channels and quality of DS1644P-120 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the DS1644P-120 price and inventory displayed accurate?

The price and inventory of DS1644P-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 DS1644P-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 DS1644P-120 we delivered, we will accept the replacement or return of the DS1644P-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 DS1644P-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