DS1284
Real Time Clock, Volatile, 1 Timer(s), CMOS, PDIP28, 0.600 INCH, PLASTIC, DIP-28DS1284
Real Time Clock, Volatile, 1 Timer(s), CMOS, PDIP28, 0.600 INCH, PLASTIC, DIP-28
-
Manufacturer Part # : DS1284
-
Package/Case: DIP-28
-
Brand: Maxim Integrated
-
Product Categories : Real Time Clocks
-
Series : DS1284
Quality Assurance
Quality Assurance
All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.






Certification
We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.
Shipping & Payment
Shipping & Payment
About Shipping
We generally ship orders within a few business days through reliable shipping carriers such as FedEx, SF, UPS, or DHL. We also have support for other shipping methods. If you would like to inquire about specific shipping details or costs, please don't hesitate to reach out to us.








About Payment
We accept various payment methods, including VISA, MasterCard, UnionPay, Western Union, PayPal, and other channels.
If you have a specific payment method in mind or would like to inquire about rates and other details, please feel free to contact us.

WireTransfer

Paypal

CreditCard

WesternUnion

MoneyGram
Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
Confirm the return or exchange with our staff.
Maintain the goods in their original condition as received.
Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]
About packaging
Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.

Example

Tape and Reel

Cut Tape

Tube or Tray
DS1284 DataSheet

Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Interested Parts
DS1284 Description
The DS1284 is a Timer/Real-Time Clock (RTC) from Maxim Integrated Products, designed for real-time timing and clocking applications. This device features a robust real-time clock circuit with an alarm function, making it ideal for use in systems that require precise timing and synchronization.
Pin Details
The DS1284 is a 28-pin PDIP package, featuring pins for input and output signals, power supply, and ground connections. The pin configuration includes:
- Pin 1-6 : Clock Input/Output Signals
- Pin 7-12 : Input/Output Digital Signals
- Pin 13-18 : Power Supply and Ground Connections
- Pin 19-24 : Unused Pins for Future Expansion
- Pin 25-28 : VCC, GND, and Reset Pins for Initialization
Features
- Real-Time Clock: Accurately tracks time with a precision of 1 second or greater.
- Alarm Function: Triggered alarm function signals the end of a predetermined time period.
- High accuracy: Offers high accuracy and reliability for critical timing applications.
Application
The DS1284 is commonly used in various applications including small to medium-sized businesses for file sharing and storage, home users for multimedia streaming and backup, remote offices for data backup and synchronization, surveillance systems for video management and storage, and virtualization environments for efficient data storage and management.
Where to Use:
- Industrial automation systems
- Electronic devices requiring precise timing
- Data logging and monitoring applications
- Multimedia systems requiring real-time timestamping
Manufacturer
The DS1284 is manufactured by Maxim Integrated Products, a global leader in analog and mixed-signal semiconductor design.
Packages
The DS1284 comes in a 28-pin PDIP package, offering a compact solution for integrating the timer/RTC into electronic circuits.
Equivalent Parts of DS1284
- DS1307: A comparable RTC from Maxim Integrated Products with similar features and performance.
- RTC7120: An alternative RTC from STMicroelectronics that offers equivalent functionality.
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Pbfree Code | No | Rohs Code | No |
Part Life Cycle Code | Obsolete | Part Package Code | DIP |
Pin Count ! | 28 | Reach Compliance Code | not_compliant |
ECCN Code | EAR99 | HTS Code ! | 8542.32.00.41 |
Additional Feature ! | ACCURACY 2 MIN/MONTH @ 25 DEGREE C; 1024 HZ FIXED O/P | Clock Frequency-Max | 0.032 MHz |
External Data Bus Width | 8 | Information Access Method | PARALLEL, DIRECT ADDRESS |
Interrupt Capability ! | Y | JESD-30 Code | R-PDIP-T28 |
JESD-609 Code | e0 | Length | 36.83 mm |
Moisture Sensitivity Level | 1 | Number of Terminals | 28 |
Number of Timers | 1 | Operating Temperature-Max | 70 °C |
Package Body Material | PLASTIC/EPOXY | Package Code | DIP |
Package Equivalence Code | DIP28,.6 | Package Shape | RECTANGULAR |
Package Style | IN-LINE | Peak Reflow Temperature (Cel) | 245 |
Power Supplies ! | 5 V | Qualification Status ! | Not Qualified |
Seated Height-Max | 5.08 mm | Supply Voltage-Max | 5.5 V |
Supply Voltage-Min | 4.5 V | Supply Voltage-Nom | 5 V |
Surface Mount ! | NO | Technology | CMOS |
Temperature Grade ! | COMMERCIAL | Terminal Finish | TIN LEAD |
Terminal Form ! | THROUGH-HOLE | Terminal Pitch ! | 2.54 mm |
Terminal Position | DUAL | Time-Min | 1/100 SECOND |
Volatile | YES | Width | 15.24 mm |
uPs/uCs/Peripheral ICs Type | TIMER, REAL TIME CLOCK |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is DS1284?
The DS1284 is a real-time clock (RTC) and calendar designed by Maxim Integrated. It is ideal for applications requiring timekeeping, including industrial automation, data loggers, and consumer electronics.
How Does DS1284 Work?
The DS1284 works by providing accurate timekeeping and calendar functions using an integrated oscillator and a programmable alarm output. It features battery backup to ensure continuous operation even during power loss. The device communicates with the host microcontroller through a simple serial interface.
How Many Pins does DS1284 have and What are the Functions of the Pinout Configuration?
The DS1284 is housed in a 20-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:
- VCC: Power supply pin.
- GND: Ground pin.
- IRQ: Interrupt output pin.
- SQW: Square wave output pin.
- SCL, SDA: Serial clock and data pins for communication with the microcontroller.
- X1, X2: Crystal oscillator input and output pins.
- VBAT: Battery input for backup power.
What are the Pros and Cons of DS1284?
Pros:
- Accurate Timekeeping: Provides reliable real-time clock and calendar functions.
- Battery Backup: Ensures continuous operation and data retention during power loss.
- Simple Interface: Communicates with the host microcontroller using a straightforward serial interface.
- Integration: Combines RTC, calendar, and alarm functions in a single device.
Cons:
- Package Size: The 20-pin SOIC package may not be as space-efficient for compact designs.
- Limited Features: May not include advanced features such as temperature compensation or multiple alarms found in more advanced RTCs.
Are There Any Equivalents/Alternatives to DS1284 for Recommendation?
- The DS3231 from Maxim Integrated is a comparable RTC with additional temperature-compensated features.
- Alternatives to the DS1284 include the PCF8583 from NXP Semiconductors and the MCP7940N from Microchip Technology.
Recommend Parts
-
3 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
5,339 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
DS90LV110ATMT
$3.701 LVDS Interface IC 1 to 10 LVDS data/clock distributor with failsafe 28-TSSOP -40 to 85
Brand: Texas Instruments Package/Case: TSSOP-28
5,785 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
Silicon Delay Line, 1-Func, 5-Tap, True Output, CMOS, PDIP14,
Brand: Dallas Semiconductor Package/Case: DIP
6,444 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
Silicon Delay Line, 7-Func, 1-Tap, True Output, CMOS, PDIP16,
Brand: Dallas Semiconductor Package/Case: SOP16
6,944 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
Programmable Silicon Delay Line, 1-Function, 255-Tap, True Output, CMOS, PDSO16, 0.300 INCH, ROHS COMPLIANT, SOIC-16
Brand: Maxim Integrated Package/Case: SOIC-16
6,109 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
-line 1-tap 16pin
Brand: Analog Devices Inc./Maxim Integrated Package/Case: 16-SOIC(0.295",7.50mmWidth)
9,116 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
Delay Line IC 1-Shot, Programmable 256 Tap 63.75ns 16-SOIC (0.295", 7.50mm Width)
Brand: Maxim Integrated Package/Case: SOIC-16
6,012 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
SILICON DELAY LINE, TRUE OUTPUT, PDSO8, 0.150 INCH, SOP-8
Brand: Maxim Integrated Package/Case: SOIC-8
4,262 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
Real Time Clock with Volatile Memory and CMOS Technology in PDIP16 Package
Brand: Dallas Semiconductor Package/Case: DIP-16
4,916 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
1 TIMER(S), REAL TIME CLOCK, PDIP28, 0.600 INCH, DIP-28
Brand: Maxim Integrated Package/Case: TQFP44
5,767 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
1 TIMER(S), REAL TIME CLOCK, PDIP28, 0.600 INCH, ROHS COMPLIANT, PLASTIC, DIP-28
Brand: Maxim Integrated Package/Case: PDIP-28
7,860 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
Accurate timekeeping with precise seconds, minutes and hours display
Brand: Analog Devices Inc./Maxim Integrated Package/Case: 28-LCC(J-Lead)
5,713 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
6,275 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
DS12885S Real Time Clock for accurate timekeeping
Brand: Maxim Integrated Package/Case: SOIC-24
5,328 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
Programmable Timer, Non-Volatile, 1 Timer(s), CMOS, PDSO24, 0.300 INCH, ROHS COMPLIANT, SOIC-24
Brand: Maxim Integrated Package/Case: SOIC-24
6,463 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
Price details
Prices listed do not include VAT.
Quantity | Unit Price |
---|