DS1244YP-70+ Equivalent & Substitute Parts

Part Overview

The DS1244YP-70+ is a Real Time Clock (RTC) IC Phantom Time Chip manufactured by Analog Devices Inc./Maxim Integrated. This surface-mount device integrates 32KB of nonvolatile static RAM (NVSRAM) with real-time clock functionality in a 34-PowerCap™ Module package. The DS1244YP-70+ operates with a 4.5V to 5.5V supply voltage and maintains timekeeping at 3V battery backup, making it suitable for applications requiring persistent time and data retention across power cycles. As an active product with ROHS3 compliance and REACH unaffected status, the DS1244YP-70+ remains available for new designs and production applications.

Substiute Parts

DS1244YP-70+

Analog Devices Inc./Maxim IntegratedIn Stock: 937DS1244YP-70+ Datasheet

Current PartRFQ

DS1244YP-70+

Analog Devices Inc./Maxim IntegratedIn Stock: 937DS1244YP-70+ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the DS1244YP-70+ is determined by strict equivalence across the following critical parameters:

• Memory Size: 32KB NVSRAM capacity
• Interface Type: Parallel interface architecture
• Package / Case: 34-PowerCap™ Module form factor
• Voltage - Supply: 4.5V ~ 5.5V operating range
• Voltage - Supply, Battery: 3V backup supply
• Mounting Type: Surface Mount configuration
• Features: Leap Year and NVSRAM functionality
• Time/Date Format: HH:MM:SS:hh (12/24 hr) and YY-MM-DD-dd formats

Based on the provided input data, the DS1244YP-70+ is listed as its own direct equivalent. No alternative part numbers with differing specifications have been provided for comparison.

Parameter Comparison

Engineering Selection Recommendations

The DS1244YP-70+ is an active product with confirmed ROHS3 compliance and REACH unaffected status, qualifying it for current production and new design implementations. The device maintains full compliance with environmental and regulatory requirements applicable to clock/timing integrated circuits.

Selection of the DS1244YP-70+ is appropriate for applications requiring:

• 32KB parallel-interface real-time clock with nonvolatile memory
• 4.5V to 5.5V primary supply with 3V battery backup capability
• Surface-mount integration in 34-PowerCap™ Module packaging
• Operating environments within 0°C to 70°C temperature range
• Leap year compensation and dual time format support (12/24 hour)

Current inventory status confirms 912 pieces of new original stock availability.

Frequently Asked Questions (FAQ)

Q: What defines a valid substitute for the DS1244YP-70+?

A: A valid substitute must match all critical parameters: 32KB memory capacity, parallel interface, 34-PowerCap™ Module package, 4.5V–5.5V supply voltage, 3V battery backup, surface-mount configuration, and support for leap year and NVSRAM features.

Q: Can the DS1244YP-70+ be replaced with a different package type?

A: No. The 34-PowerCap™ Module package is a specific form factor integral to the device design. Alternative packages would require PCB redesign and are not considered direct substitutes.

Q: Is the DS1244YP-70+ suitable for designs requiring extended temperature ranges?

A: The DS1244YP-70+ operates within 0°C to 70°C. Applications requiring extended temperature operation (below 0°C or above 70°C) require alternative device selection outside this product line.

Q: What is the significance of ROHS3 compliance for this component?

A: ROHS3 compliance confirms the device meets Restriction of Hazardous Substances Directive requirements, ensuring compatibility with environmental regulations and manufacturing standards for electronic equipment in regulated markets.

Q: Does the DS1244YP-70+ require external components for timekeeping operation?

A: The provided specifications confirm timekeeping capability at 10mA maximum current at 5V supply with 3V battery backup. Specific external component requirements are not detailed in the provided parameters.