DS1232S/T&R Equivalent & Substitute Parts

Part Overview

The DS1232S/T&R is a single-channel power supply supervisor IC manufactured by Analog Devices Inc./Maxim Integrated, designed for power-on reset and simple reset applications. This component operates as an open drain/push-pull output supervisor with adjustable/selectable reset timeout functionality. The DS1232S/T&R is classified as obsolete, necessitating identification of active equivalent and substitute parts for new designs and ongoing production requirements. Equivalent parts maintain identical electrical and mechanical specifications, while substitute parts offer compatible functionality within defined parameter tolerances.

Substiute Parts

DS1232S/T&R

Analog Devices Inc./Maxim IntegratedIn Stock: 826DS1232S/T&R Datasheet

Current PartRFQ

DS1232S+T&R

Analog Devices Inc./Maxim IntegratedIn Stock: 4945DS1232S+T&R Datasheet

DirectRFQ

DS1232LPS+T&R

Analog Devices Inc./Maxim IntegratedIn Stock: 2097DS1232LPS+T&R Datasheet

Parametric EquivalentRFQ

TC1232COE

Microchip TechnologyIn Stock: 733TC1232COE Datasheet

MFR RecommendedRFQ

TC1232COE713

Microchip TechnologyIn Stock: 864TC1232COE713 Datasheet

MFR RecommendedRFQ

TC1232EOE

Microchip TechnologyIn Stock: 1130TC1232EOE Datasheet

MFR RecommendedRFQ

TC1232EOE713

Microchip TechnologyIn Stock: 709TC1232EOE713 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the DS1232S/T&R is determined by the following critical parameters:

Primary Substitution Criteria:

• Single-channel voltage monitoring capability
• Voltage threshold range: 4.37V, 4.62V
• Output type: Open Drain or Open Collector configuration
• Reset logic: Active High/Active Low capability
• Package: 16-SOIC form factor (0.295", 7.50mm Width)
• Surface mount technology
• RoHS3 compliance
• MSL rating of 1

Substitution Categories:

Direct Equivalent (Same Manufacturer): DS1232S+T&R and DS1232LPS+T&R maintain identical electrical parameters and threshold specifications as the main part, differing only in packaging format (Cut Tape & Digi-Reel vs. Tape & Reel) and product status (Active vs. Obsolete).

Manufacturer-Recommended Equivalents (Microchip Technology): TC1232 series parts (TC1232COE, TC1232COE713, TC1232EOE, TC1232EOE713) provide functional equivalence with compatible voltage thresholds, output configurations, and package specifications. These parts specify a 250ms minimum reset timeout versus the adjustable/selectable timeout of the DS1232S/T&R, and TC1232EOE variants support extended operating temperature range (-40°C ~ 85°C).

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Preferred): DS1232S+T&R is the primary recommendation as an active equivalent part. It maintains identical electrical specifications, voltage thresholds, output configuration, and reset timeout characteristics as the obsolete DS1232S/T&R. This part is currently in active production status with substantial inventory availability (4900 units). Both parts are ROHS3 compliant with MSL rating 1.

For Extended Temperature Range Applications: TC1232EOE or TC1232EOE713 (Microchip Technology) provide functional equivalence with extended operating temperature range (-40°C ~ 85°C versus 0°C ~ 70°C). These parts maintain identical voltage thresholds and 16-SOIC package specifications. The trade-off is a fixed 250ms minimum reset timeout versus the adjustable/selectable timeout of the DS1232S/T&R. Selection between tube (TC1232EOE) and tape & reel (TC1232EOE713) packaging depends on assembly requirements.

For Standard Temperature Range with Packaging Flexibility: TC1232COE or TC1232COE713 (Microchip Technology) offer equivalent functionality within the 0°C ~ 70°C operating range. These parts are suitable for applications where the fixed 250ms reset timeout is acceptable and extended temperature capability is not required.

For Tape & Reel Packaging: DS1232LPS+T&R provides an alternative within the Analog Devices product line with tape & reel format, maintaining all electrical equivalence to the main part.

All recommended substitutes maintain ROHS3 compliance and MSL rating 1, ensuring compatibility with standard manufacturing and environmental requirements.

Frequently Asked Questions (FAQ)

Q: Can DS1232S+T&R be used as a direct replacement for DS1232S/T&R?

A: Yes. DS1232S+T&R is electrically and mechanically identical to DS1232S/T&R. The primary difference is product status (active versus obsolete) and packaging format designation. Both parts feature identical voltage thresholds (4.37V, 4.62V), output configuration (open drain/push-pull), adjustable/selectable reset timeout, and 16-SOIC package. DS1232S+T&R is recommended for new designs and production continuity.

Q: What is the difference between DS1232LPS+T&R and DS1232S+T&R?

A: Both parts are electrically equivalent with identical voltage thresholds, output types, and reset timeout characteristics. The difference lies in the base product designation (DS1232LP versus DS1232S) and packaging format. DS1232LPS+T&R is supplied in tape & reel format, while DS1232S+T&R uses cut tape & Digi-Reel packaging. Selection depends on assembly equipment compatibility and procurement requirements.

Q: Can Microchip TC1232 series parts replace the DS1232S/T&R?

A: TC1232 series parts (TC1232COE, TC1232COE713, TC1232EOE, TC1232EOE713) are functionally compatible substitutes. All maintain the same voltage thresholds (4.37V, 4.62V), single-channel monitoring, and 16-SOIC package. The key difference is reset timeout specification: TC1232 parts feature a fixed 250ms minimum timeout, whereas DS1232S/T&R offers adjustable/selectable timeout. For applications where the fixed timeout is acceptable, TC1232 parts provide active production alternatives.

Q: What is the significance of the "713" designation in TC1232COE713 and TC1232EOE713?

A: The "713" suffix indicates tape & reel packaging format. TC1232COE713 and TC1232EOE713 are identical to TC1232COE and TC1232EOE respectively, differing only in packaging delivery method. TC1232COE and TC1232EOE are supplied in tube format. Selection between tube and tape & reel depends on assembly line automation requirements and component handling procedures.

Q: Should I select TC1232EOE for applications requiring extended temperature operation?

A: TC1232EOE and TC1232EOE713 support operating temperature range of -40°C ~ 85°C, compared to 0°C ~ 70°C for DS1232S/T&R and standard TC1232COE variants. If your application requires operation below 0°C or above 70°C, TC1232EOE series parts are appropriate. Verify that the fixed 250ms reset timeout meets application requirements before selection.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts (DS1232S+T&R, DS1232LPS+T&R, and all TC1232 variants) are ROHS3 compliant with MSL rating 1 (unlimited moisture sensitivity level). This ensures compatibility with standard manufacturing processes and environmental regulations.

Q: What packaging format should I specify for high-volume production?

A: For automated assembly, tape & reel format is standard. DS1232LPS+T&R, TC1232COE713, and TC1232EOE713 are supplied in tape & reel format. For manual assembly or lower volumes, tube format (TC1232COE, TC1232EOE) may be appropriate. Verify your assembly equipment specifications before finalizing packaging selection.