DS1233M-55 Equivalent & Substitute Parts

Part Overview

The DS1233M-55 is a supervisor integrated circuit from Analog Devices Inc./Maxim Integrated's EconoReset series, designed for power management and reset control applications. This device monitors a single voltage channel and provides active-low reset output through an open-drain or open-collector configuration. The DS1233M-55 is classified as obsolete, making identification of suitable substitute components essential for ongoing system support and new design implementations. The DS1233M-55+ serves as the direct active alternative within the same product family.

Substiute Parts

DS1233M-55

Analog Devices Inc./Maxim IntegratedIn Stock: 3017DS1233M-55 Datasheet

Current PartRFQ

DS1233M-55+

Analog Devices Inc./Maxim IntegratedIn Stock: 2365DS1233M-55+ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the DS1233M-55 is determined by strict equivalence across the following critical parameters:

• Single voltage channel monitoring capability
• 4.625V threshold voltage
• Open-drain or open-collector output configuration
• Active-low reset logic
• 200ms minimum reset timeout
• TO-92-3 package compatibility
• Through-hole mounting type
• Operating temperature range of -40°C to 85°C
• ROHS3 compliance and REACH unaffected status

The DS1233M-55+ maintains identical electrical and mechanical specifications while offering active product status and bulk packaging availability, making it a direct functional equivalent.

Parameter Comparison

Engineering Selection Recommendations

The DS1233M-55+ is the appropriate substitute for the obsolete DS1233M-55. Both components maintain identical electrical specifications, package configurations, and compliance certifications. The DS1233M-55+ carries active product status with confirmed inventory availability, ensuring supply chain continuity for applications requiring single-channel voltage supervision with 4.625V threshold monitoring and active-low reset output.

Selection between these parts is determined solely by availability and product lifecycle status. The DS1233M-55+ is recommended for new designs and ongoing production support due to its active status within the EconoReset product line.

Frequently Asked Questions (FAQ)

Q: Can the DS1233M-55+ directly replace the DS1233M-55 in existing designs?

A: Yes. The DS1233M-55+ is electrically and mechanically identical to the DS1233M-55. Both devices feature the same 4.625V threshold voltage, active-low reset output, 200ms minimum reset timeout, and TO-92-3 through-hole package configuration. No circuit modifications are required.

Q: What is the significance of the product status difference between these parts?

A: The DS1233M-55 is classified as obsolete, indicating discontinued manufacturing. The DS1233M-55+ maintains active status with ongoing production and supply availability. For applications requiring long-term component sourcing, the DS1233M-55+ is the appropriate selection.

Q: Are there any packaging differences between the DS1233M-55 and DS1233M-55+?

A: Both parts use identical TO-92-3 through-hole packaging. The primary difference is packaging format: the DS1233M-55 is supplied in standard packaging, while the DS1233M-55+ is available in bulk packaging. The physical component dimensions and pin configuration remain unchanged.

Q: Do both parts meet the same compliance requirements?

A: Yes. Both the DS1233M-55 and DS1233M-55+ are ROHS3 compliant and REACH unaffected. Moisture sensitivity level is rated at 1 (unlimited) for both components, indicating no special handling requirements during storage or assembly.

Q: What applications require the 4.625V threshold monitoring of these supervisors?

A: The 4.625V threshold is suitable for applications monitoring 5V supply rails with a nominal 7.3% margin below the nominal voltage. This threshold triggers active-low reset output when the monitored voltage falls below the specified level, protecting downstream circuitry from operation under insufficient supply conditions.