DS1312 Equivalent & Substitute Parts

Part Overview

The DS1312 is a nonvolatile RAM controller integrated circuit manufactured by Analog Devices Inc./Maxim Integrated. This device functions as a memory controller with battery backup and reset capabilities, housed in an 8-DIP through-hole package. The DS1312 is classified as obsolete, making identification of compatible substitute parts essential for ongoing system maintenance and new design implementations. The availability of active-status alternatives ensures continued access to functionally equivalent solutions.

Substiute Parts

DS1312

Analog Devices Inc./Maxim IntegratedIn Stock: 2454DS1312 Datasheet

Current PartRFQ

DS1312+

Analog Devices Inc./Maxim IntegratedIn Stock: 769DS1312+ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the DS1312 is determined by strict equivalence across the following parameters:

• Controller Type: Nonvolatile RAM
• Voltage Supply Range: 4.75V ~ 5.5V
• Operating Temperature Range: -40°C ~ 85°C
• Mounting Type: Through Hole
• Package / Case: 8-DIP (0.300", 7.62mm)
• Supplier Device Package: 8-PDIP
• Moisture Sensitivity Level: 1 (Unlimited)

The DS1312+ meets all substitution criteria and is classified as an active product, providing a direct functional replacement for the obsolete DS1312.

Parameter Comparison

Engineering Selection Recommendations

The DS1312+ is the direct substitute for the DS1312. Both devices share identical electrical and mechanical specifications across all critical parameters. The DS1312+ offers the additional advantage of active product status and ROHS3 compliance, making it the preferred selection for new designs and replacement applications. The transition from the obsolete DS1312 to the DS1312+ requires no circuit modifications or design changes.

Frequently Asked Questions (FAQ)

Q: Can the DS1312+ be used as a direct replacement for the DS1312? A: Yes. The DS1312+ is electrically and mechanically equivalent to the DS1312 across all specified parameters, including voltage supply range, operating temperature, package type, and pin configuration.

Q: Are there any package or pinout differences between the DS1312 and DS1312+? A: No. Both devices use the 8-DIP (0.300", 7.62mm) package with identical 8-PDIP supplier device packaging. No PCB modifications are required.

Q: What is the primary advantage of selecting the DS1312+ over the DS1312? A: The DS1312+ is an active product with ROHS3 compliance, whereas the DS1312 is obsolete and RoHS non-compliant. The DS1312+ ensures long-term availability and regulatory compliance.

Q: Are the voltage and temperature specifications identical? A: Yes. Both the DS1312 and DS1312+ operate within the same voltage supply range of 4.75V ~ 5.5V and temperature range of -40°C ~ 85°C.

Q: What is the moisture sensitivity level for these devices? A: Both devices have a Moisture Sensitivity Level (MSL) of 1, indicating unlimited moisture sensitivity tolerance.