DS1216D Equivalent & Substitute Parts

Part Overview

The DS1216D is a Smart/RAM memory integrated circuit manufactured by Analog Devices Inc./Maxim Integrated, designed for smartwatch applications with 256K/1M capacity. This component operates at 5V supply voltage and features a 32-DIP through-hole package. The DS1216D is classified as obsolete, making identification of functionally compatible alternatives essential for ongoing system support and new design implementations.

Substiute Parts

DS1216D

Analog Devices Inc./Maxim IntegratedIn Stock: 6917DS1216D Datasheet

Current PartRFQ

DS1248Y-70+

Analog Devices Inc./Maxim IntegratedIn Stock: 2241DS1248Y-70+ Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the DS1216D is determined by the following critical parameters:

• Voltage Supply Compatibility: Both main and substitute parts must operate within 4.5V ~ 5.5V range
• Operating Temperature Range: Identical range of 0°C ~ 70°C required
• Package Type: 32-DIP through-hole package with 0.600" (15.24mm) pitch
• Mounting Configuration: Through-hole mounting compatibility
• Manufacturer Source: Analog Devices Inc./Maxim Integrated product line

The DS1248Y-70+ qualifies as a manufacturer-recommended substitute based on these electrical and mechanical parameters. While the DS1248Y-70+ functions as a Real Time Clock (RTC) Phantom Time Chip rather than a pure RAM device, it maintains full compatibility across all critical electrical and physical specifications required for direct substitution in the DS1216D application space.

Parameter Comparison

Engineering Selection Recommendations

DS1248Y-70+ Selection Criteria:

The DS1248Y-70+ is the manufacturer-recommended substitute for the obsolete DS1216D. Selection of this alternative is justified by:

• Product Status: The DS1248Y-70+ maintains active product status, ensuring continued availability and manufacturing support
• Electrical Compatibility: Identical supply voltage range (4.5V ~ 5.5V) and operating temperature specifications (0°C ~ 70°C)
• Physical Compatibility: Matching 32-DIP through-hole package configuration with identical 0.600" (15.24mm) pitch
• Regulatory Compliance: ROHS3 compliance status provides superior environmental and regulatory positioning compared to the non-compliant DS1216D
• Manufacturer Continuity: Both components originate from Analog Devices Inc./Maxim Integrated product portfolio

Frequently Asked Questions (FAQ)

Q: Can the DS1248Y-70+ directly replace the DS1216D in existing designs?

A: Yes. Both components share identical supply voltage (4.5V ~ 5.5V), operating temperature range (0°C ~ 70°C), and 32-DIP through-hole package specifications. Physical and electrical compatibility is confirmed.

Q: What is the primary functional difference between these components?

A: The DS1216D functions as a smartwatch RAM memory device, while the DS1248Y-70+ operates as a Real Time Clock (RTC) Phantom Time Chip with integrated NVSRAM. Both maintain compatible electrical and mechanical specifications.

Q: Does the DS1248Y-70+ require different PCB layout considerations?

A: No. The identical 32-DIP package configuration and 0.600" (15.24mm) pitch ensure compatibility with existing PCB designs without layout modifications.

Q: What is the significance of RoHS compliance differences?

A: The DS1248Y-70+ meets ROHS3 compliance standards, while the DS1216D is RoHS non-compliant. For new designs or applications with regulatory requirements, the DS1248Y-70+ provides superior compliance positioning.

Q: Are there inventory considerations for component selection?

A: The DS1216D (6873 Pcs) and DS1248Y-70+ (2213 Pcs) both maintain stock availability. Component selection should align with application requirements and long-term supply chain strategy.