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Name: DS12C887A+
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS12C887A+
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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

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Analog Devices Inc./Maxim Integrated DS12C887A+

Part No.:: DS12C887A+

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: 24-DIP Module (0.600, 15.24mm)

Datasheet:: DS12C887A+.pdf

Description:: IC RTC CLK/CALENDAR PAR 24-EDIP

In Stock:: 3123

Quantity:: Add To Cart

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DS12C887A+ Specifications

Package/Case:
24-DIP Module (0.600, 15.24mm)
Packaging:
Tube
Series:
-
ProductStatus:
Active
Type:
Clock/Calendar
Features:
Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output
MemorySize:
113B
TimeFormat:
HH:MM:SS (12/24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
Parallel
Voltage-Supply:
4.5V ~ 5.5V
Voltage-SupplyBattery:
2.5V ~ 4V
Current-Timekeeping(Max):
15mA @ 4.5V ~ 5.5V
OperatingTemperature:
0°C ~ 70°C
MountingType:
Through Hole

DS12C887A+ this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DS12C887A+ 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 DS12C887A+ to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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DS12C887A+ information

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DS12C887A+ Typical application Circuitry

DS12C887A+ is a real-time clock (RTC) IC, an advanced version of DS12C887A. It keeps track of time and date and features 56 bytes of battery-backed Non-Volatile RAM, thereby maintaining essential data even when main power is unavailable.

Application Scenarios of DS12C887A+

Areas that benefit from DS12C887A+ include but are not limited to:

1. IoT Devices

2. Medical Equipment

3. Security Systems

4. Navigation Devices

Key Features of DS12C887A+

The DS12C887A+ offers an array of functionalities:

- Battery backup to ensure uninterrupted operation

- Leap year correction and Daylight Saving Time adjustments

- Low power draw

- Programmable alarms and interrupts

Circuit Implementation in Security Systems

For this example, we'll focus on how to use DS12C887A+ in a security system that requires accurate timekeeping for event logging.

Circuit Wiring Guidelines

1. Power Input and Battery Backup

- VCC to +5V Source: The first pin to discuss is VCC. Link this pin to your +5V power source.

- VBAT to a 3V Backup Battery: Affix a 3V battery to VBAT, ensuring that the real-time clock and NV-RAM operate seamlessly even when main power fails.

2. Data Bus Setup

- Data Pins D0-D7 to Controller: Hook up these pins to the data bus on the microcontroller to facilitate data exchange.

3. Control Command Execution

- Connect RD and WR to Controller: The RD (Read) and WR (Write) pins should be tied to the corresponding command lines on your microcontroller.

4. Alarm and Interrupts

- IRQ Pin to Microcontroller's Interrupt Line: If you plan to use alarm functionalities, the IRQ pin needs to be connected to an interrupt port on your microcontroller.

5. System Reset Sync

- RST Pin to Controller Reset: To synchronize system resets, plug the RST pin into the reset port of your controller.

6. Address Strobe Connection

- AS Pin to Controller's Address Output: To indicate that a valid address is available, wire the AS pin to the address strobe output of your controller.

What to Consider When Designing the Circuit

When integrating DS12C887A+, be mindful of:

- Decoupling Capacitors: To stabilize voltage, place decoupling capacitors near the VCC and GND pins.

- Crystal Quality: For optimal timekeeping, a high-quality 32.768 kHz crystal oscillator is recommended.

- Data Line Integrity: Pay attention to the length and quality of your data lines to avoid signal losses.

- Quality of Backup Battery: A reliable 3V backup battery is vital for maintaining accurate time and date during power outages.

By carefully planning your circuit design, you can harness the full capabilities of DS12C887A+, making it an integral part of your security systems.

DS12C887A+ FAQ

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6. What is the process for return or replacement of DS12C887A+?

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 DS12C887A+ we delivered, we will accept the replacement or return of the DS12C887A+ 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 DS12C887A+.

(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