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Name: DS12C887
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS12C887
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 DS12C887

Part No.:: DS12C887

Manufacturer:: Analog Devices Inc./Maxim Integrated

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

Datasheet:: DS12C887.pdf

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

In Stock:: 2381

Quantity:: Add To Cart

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DS12C887 Specifications

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

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DS12C887 information

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DS12C887 Typical application Circuitry

Popular real-time clock (RTC) from Maxim Integrated is the DS12C887. This chip is used to keep track of the current year, month, date, hour, minute, and second in applications ranging from servers and desktop computers to consumer electronics. The DS12C887 can be wired up in a circuit as shown in the following general guide:

1. VCC and GND: Connect the VCC pin to your power supply and the GND pin to the ground of your circuit. The DS12C887 operates with a power supply voltage of 4.5V to 5.5V. Decoupling capacitors are recommended close to these pins.
2. Crystal Oscillator: A 32.768 kHz crystal should be connected between the X1 and X2 pins. This crystal determines the timing of the real-time clock.
3. Battery Input (VBAT): Connect a backup battery to the VBAT pin. This battery enables the DS12C887 to keep time even if the main power source is turned off.
4. Data Bus (D0-D7): Data is sent and received to and from the device using these pins. They can be connected to the data bus of your microcontroller or other host devices.
5. Address Inputs (A0-A3): These pins select one of the internal registers of the DS12C887 for read/write operations.
6. Read/Write (R/W): This pin determines the direction of data flow. High for read, low for write.
7. Chip Select (CS): This pin enables the DS12C887 when it is low.
8. Output Enable (OE): This pin enables the data output buffers when it is low.
9. Interrupt (IRQ): This open-drain output pin becomes active when any of the interrupt conditions are met.
Please refer to the DS12C887 datasheet for specific information about each pin function, timing details, and detailed application circuit diagrams. Remember that the configuration may alter depending on the specific needs of your application.

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6. What is the process for return or replacement of DS12C887?

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 DS12C887 we delivered, we will accept the replacement or return of the DS12C887 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 DS12C887.

(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