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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:: 3664

Quantity:: Add To Cart

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DS12C887A Specifications

Package/Case:
24-DIP Module (0.600, 15.24mm)
Packaging:
Tube,Tube
Series:
-
ProductStatus:
Obsolete
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

The DS12C887A is a state-of-the-art Real-Time Clock (RTC) integrated circuit (IC) equipped with 56 bytes of battery-backed Non-Volatile RAM. The RTC functionality enables accurate timekeeping, while the non-volatile memory retains crucial data when the system is powered off.

DS12C887A: Areas of Application

Application environments where DS12C887A excels include:

1. Point-of-Sale Systems

2. Automotive Electronics

3. Industrial Automation

4. Distributed Network Systems

DS12C887A: Parameter Highlights

Among the core features of the DS12C887A are:

- Battery Backup for continuous operation

- Daylight Saving Time support

- 56 bytes of NV-RAM

- Low power consumption

- Time and date including leap year correction

DS12C887A: Example in Industrial Automation

For this illustrative example, we focus on integrating DS12C887A within an industrial automation control system to track real-time activities and log data.

Circuit Connection Details

1. Electrical Power Supply

- Connect VCC to +5V: The chip's VCC pin is the power input and should be connected to a regulated +5V supply source.

2. Ground Connection

- Grounding via GND: Ensure that the GND pin is linked to the system ground to close the electrical circuit.

3. Data Transfer Bus

- Interface D0-D7 with PLC Data Bus: These are data pins and are intended for connection to the data bus of a Programmable Logic Controller (PLC) in industrial settings.

4. Control Pins

- Link RD and WR to PLC Control Lines: These control pins must be coupled with the PLC's read (RD) and write (WR) lines to enable effective data exchange.

5. Address Setup

- Couple AS to PLC Address Strobe: The AS pin acts as an Address Strobe and must be connected to the PLC's corresponding line.

6. Alarm and Interruption

- Wire IRQ to PLC Interrupt Input: If you wish to leverage the DS12C887A's alarm functionalities, the IRQ pin should be wired to an interrupt input on the PLC.

7. Backup Battery

- VBAT for Battery Backup: This pin must be connected to a 3V backup battery to ensure uninterrupted operation during power failures.

Key Design Considerations

When incorporating DS12C887A into your project, the following aspects warrant close attention:

- Voltage Stability: Utilize decoupling capacitors near the power and ground pins to maintain voltage stability.

- Signal Clarity: Keep data lines and control lines as short and straight as possible to avoid signal degradation.

- EMI Shielding: Ensure that the circuit layout minimizes electromagnetic interference (EMI).

- Battery Reliability: Opt for a reliable 3V battery to ensure that the chip performs optimally even during system downtime.

By taking these factors into account, you will be well-equipped to maximize the performance and utility of the DS12C887A in your industrial automation 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