TC1270ASCVCTTR Equivalent & Substitute Parts

Part Overview

The TC1270ASCVCTTR is a single-channel power supply supervisor IC manufactured by Microchip Technology, designed for reset and power-on reset applications in embedded systems. This device features push-pull, totem pole output configuration with active low reset functionality and operates across the industrial temperature range of -40°C to 125°C.

The TC1270ASCVCTTR is classified as obsolete product status. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support long-term product availability for applications currently utilizing this supervisor IC.

Substiute Parts

TC1270ASCVCTTR

Microchip TechnologyIn Stock: 704TC1270ASCVCTTR Datasheet

Current PartRFQ

TC1270ASVCTTR

Microchip TechnologyIn Stock: 1289TC1270ASVCTTR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the TC1270ASCVCTTR is determined by strict alignment of the following critical parameters:

• Voltage Threshold: 2.93V (exact match required for power supply monitoring accuracy)
• Output Configuration: Push-Pull, Totem Pole (functional output stage compatibility)
• Reset Logic: Active Low (system reset signal polarity)
• Number of Voltages Monitored: 1 (single-channel supervision)
• Package / Case: SC-74A, SOT-753 (physical and electrical pin compatibility)
• Mounting Type: Surface Mount (PCB assembly compatibility)
• Operating Temperature Range: -40°C to 125°C (environmental operating conditions)

The primary substitute identified is TC1270ASVCTTR, manufactured by Microchip Technology. This part maintains identical electrical specifications and package configuration while offering active product status and improved supply availability. The TC1270ASVCTTR is available in Tape & Reel packaging format.

Parameter Comparison

Engineering Selection Recommendations

The TC1270ASVCTTR is the direct equivalent substitute for the TC1270ASCVCTTR. Both parts are manufactured by Microchip Technology and share identical electrical and mechanical specifications across all critical parameters including voltage threshold, output configuration, reset logic, and package type.

The primary distinction between these parts is product lifecycle status: the TC1270ASCVCTTR is classified as obsolete, while the TC1270ASVCTTR maintains active product status. The TC1270ASVCTTR is available in standard Tape & Reel packaging, which is the preferred format for production assembly operations.

Both parts maintain full compliance with ROHS3 and REACH regulatory requirements, ensuring environmental and hazardous substance standards are met. The identical operating temperature range of -40°C to 125°C supports deployment across industrial and commercial applications.

The reset timeout specification differs between the two parts: the main part specifies 17.5ms minimum, while the substitute specifies 140ms minimum. This parameter difference must be evaluated against specific application reset timing requirements to confirm functional compatibility.

Frequently Asked Questions (FAQ)

Q: Can TC1270ASVCTTR directly replace TC1270ASCVCTTR in existing designs?

A: Yes, the TC1270ASVCTTR is a direct electrical and mechanical equivalent. Both parts feature identical voltage threshold (2.93V), output configuration (push-pull, totem pole), reset logic (active low), and package type (SOT-23-5). The reset timeout specification differs; verify that the 140ms minimum timeout of the substitute meets your application requirements.

Q: What is the significance of the reset timeout difference?

A: The TC1270ASCVCTTR specifies 17.5ms minimum reset timeout, while the TC1270ASVCTTR specifies 140ms minimum. Reset timeout defines the duration the reset output remains asserted after power supply stabilization. Applications with specific reset timing requirements must confirm the 140ms specification is compatible with system initialization sequences.

Q: Are both parts RoHS and REACH compliant?

A: Yes, both the TC1270ASCVCTTR and TC1270ASVCTTR are ROHS3 compliant and REACH unaffected, meeting current environmental and hazardous substance regulations.

Q: What packaging formats are available?

A: The TC1270ASCVCTTR packaging format is not specified in available documentation. The TC1270ASVCTTR is supplied in Tape & Reel (TR) format, which is standard for production surface mount assembly operations.

Q: Why is the main part classified as obsolete?

A: The TC1270ASCVCTTR is obsolete product status, indicating Microchip Technology has discontinued active manufacturing and support. The TC1270ASVCTTR, with active product status, is the recommended alternative for new designs and ongoing production requirements.

Q: Are there any other substitute options available?

A: The TC1270ASVCTTR is the primary Microchip Technology equivalent. Additional substitute candidates from other manufacturers may exist but are not specified in the provided substitute list for this part number.