AT90S2323-10SC Equivalent & Substitute Parts

Part Overview

The AT90S2323-10SC is an 8-bit AVR microcontroller from Microchip Technology's AVR 90S series, featuring 2KB FLASH program memory, 128 bytes each of EEPROM and RAM, and operating at 10MHz. This device is classified as obsolete and is no longer in active production. Finding equivalent or substitute parts is necessary due to the discontinued status of this component, which may impact long-term availability and supply chain continuity for new designs or production runs.

Substiute Parts

AT90S2323-10SC

Microchip TechnologyIn Stock: 1652AT90S2323-10SC Datasheet

Current PartRFQ

ATTINY25V-10SU

Microchip TechnologyIn Stock: 22738ATTINY25V-10SU Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the AT90S2323-10SC is determined by the following critical parameters:

• Core Architecture: AVR processor family ensures instruction set compatibility
• Memory Configuration: Identical 2KB FLASH, 128-byte EEPROM, and 128-byte RAM
• Operating Speed: 10MHz clock frequency
• Package Type: 8-SOIC surface mount package with matching pinout
• Supply Voltage Range: Compatible voltage operation window
• I/O Pin Count: Functional I/O capability for circuit integration

The ATTINY25V-10SU qualifies as a substitute based on matching core memory specifications, identical package form factor, and compatible operating frequency. Differences in peripheral features, voltage range, and temperature rating must be evaluated against specific application requirements.

Parameter Comparison

Engineering Selection Recommendations

The ATTINY25V-10SU is an active production substitute for the obsolete AT90S2323-10SC. Both devices share identical core memory architecture, operating frequency, and package specifications, establishing functional equivalence at the memory and interface level.

The ATTINY25V-10SU offers extended advantages: active product status ensures ongoing availability and supply chain support, ROHS3 compliance meets current environmental regulations, and expanded operating temperature range (-40°C to 85°C) accommodates broader application environments compared to the AT90S2323-10SC (0°C to 70°C).

The substitute device operates across a wider supply voltage range (1.8V to 5.5V) versus the original part (4V to 6V). Applications requiring the original 4V to 6V window remain compatible. Applications operating below 4V or above 5.5V require design verification.

Selection of the ATTINY25V-10SU is appropriate for new designs, production continuity, and long-term component availability assurance.

Frequently Asked Questions (FAQ)

Q: Are AT90S2323-10SC and ATTINY25V-10SU pin-compatible?

A: Both devices use the 8-SOIC package with identical physical dimensions (0.209", 5.30mm width). Pin compatibility requires verification against specific application schematics and pinout documentation.

Q: What is the primary reason for substitution?

A: The AT90S2323-10SC is classified as obsolete. The ATTINY25V-10SU is an active production device from the same manufacturer with matching core specifications, ensuring supply chain continuity.

Q: Does the ATTINY25V-10SU operate at the same clock speed?

A: Both devices operate at 10MHz, maintaining identical timing characteristics for applications dependent on this frequency.

Q: Are there voltage supply differences?

A: The AT90S2323-10SC operates at 4V to 6V. The ATTINY25V-10SU operates at 1.8V to 5.5V. Applications within the 4V to 5.5V overlap window are fully compatible. Applications requiring operation below 4V or above 5.5V require design modification.

Q: What compliance differences exist?

A: The AT90S2323-10SC is RoHS non-compliant. The ATTINY25V-10SU is ROHS3 compliant, meeting current environmental and regulatory standards for new product designs.

Q: Is the operating temperature range identical?

A: No. The AT90S2323-10SC operates from 0°C to 70°C. The ATTINY25V-10SU operates from -40°C to 85°C, providing extended temperature capability for demanding environments.

Q: Can I use ATTINY25V-10SU in existing AT90S2323-10SC designs?

A: Functional substitution is possible due to matching memory, speed, and package specifications. Circuit-level verification is required to confirm compatibility with existing board layouts, firmware, and peripheral interface requirements.