DS12885Q The DS12885Q+ is a Real Time Clock IC from Analog Devices / Maxim Integrated, featuring alarm, daylight savings, and leap year compensation. It is supplied in a 28-PLCC package.
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DS12885Q

Available from 1 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The DS12885Q+ is a Real Time Clock IC from Analog Devices / Maxim Integrated, featuring alarm, daylight savings, and leap year compensation. It is supplied in a 28-PLCC package.
✓ Total Stock: 3,569 pcs

DS12885Q Available from 1 distributor

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DS12885Q Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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DS12885Q Description

Short technical summary and product information.

The DS12885Q+ is a Real-Time Clock (RTC) IC manufactured by Analog Devices / Maxim Integrated, designed as a drop-in replacement for the DS1285. This component counts seconds, minutes, hours, days, day of the week, date, month, and year with leap-year compensation valid up to 2100.

 

Key features include binary or BCD representation of time, calendar, and alarm functions. It supports a 12-hour or 24-hour clock with AM/PM indication and offers a Daylight Savings Time option. The device provides selectable Motorola and Intel bus timing and interfaces with software as 128 RAM locations, including 14 bytes for clock and control registers and 114 bytes for general-purpose RAM.

 

This RTC IC operates within a temperature range of 0°C to 70°C and requires a supply voltage between 2.5V to 4V for battery backup and 4.5V to 5.5V for main operation. The timekeeping current is a maximum of 15mA at 4.5V to 5.5V. It is available in a 28-pin PLCC (J-Lead) surface mount package.

 

The DS12885Q+ is recognized by Underwriters Laboratory (UL). It is suitable for applications requiring accurate timekeeping, alarm functions, and non-volatile RAM storage.

DS12885Q Quick Information

Product Type: Real Time Clock
Canonical Name: DS12885Q Real-Time Clock IC
Subcategory: Clock/Calendar

DS12885Q Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

DS12885Q Features

  • Counts seconds, minutes, hours, days, date, month, year.
  • Leap year compensation valid up to 2100.
  • Supports Daylight Savings Time option.
  • 114 bytes of general purpose RAM.
  • Available in 28-pin PLCC package.

DS12885Q Applications

  • Ideal for computer clock/calendar functions.
  • Suitable for systems needing accurate timekeeping.
  • Used in applications with alarm requirements.
  • Supports non-volatile memory needs.

DS12885Q FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating temperature range for the DS12885Q+?

The operating temperature range is 0°C to 70°C.

What package type is the DS12885Q+ available in?

The DS12885Q+ is available in a 28-PLCC (J-Lead) package.

What is the RoHS status of the DS12885Q+?

The RoHS status is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for the DS12885Q+?

The MSL is 1 Unlimited.

What is the supply voltage for the DS12885Q+?

The supply voltage is 4.5V to 5.5V, with a battery voltage of 2.5V to 4V.

What features does the DS12885Q+ offer?

Features include Alarm, Daylight Savings, Leap Year, NVSRAM, and Square Wave Output.

How much general purpose RAM does the DS12885Q+ have?

The DS12885Q+ has 114 bytes of general purpose RAM.

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