NANO110RE2AN Equivalent & Substitute Parts

Part Overview

The NANO110RE2AN is an ARM® Cortex®-M0 NuMicro™ Nano100 32-bit microcontroller manufactured by Nuvoton Technology Corporation. This device integrates 128KB of FLASH program memory, 8KB of RAM, and operates at 42MHz with a supply voltage range of 1.8V to 3.6V. The microcontroller features integrated connectivity interfaces (I2C, SPI, UART/USART), analog-to-digital conversion (7x12-bit SAR), digital-to-analog conversion (2x12-bit), and peripheral functions including PWM, DMA, LCD controller, and watchdog timer. The NANO110RE2AN is packaged in a 64-pin LQFP surface-mount package (10x10mm).

The NANO110RE2AN carries an Obsolete product status. Identification of 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 microcontroller.

Substiute Parts

NANO110RE2AN

Nuvoton Technology CorporationIn Stock: 1090NANO110RE2AN Datasheet

Current PartRFQ

NANO110RE2BN

Nuvoton Technology CorporationIn Stock: 1140NANO110RE2BN Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the NANO110RE2AN is determined by strict equivalence across all electrical and mechanical parameters. The substitute part must maintain identical specifications in the following critical areas:

Core Architecture & Performance: ARM® Cortex®-M0 processor, 32-bit single-core configuration, 42MHz clock speed

Memory Configuration: 128KB FLASH program memory, 8KB RAM, identical memory organization (128K x 8 and 8K x 8)

Connectivity & Peripherals: I2C, SPI, and UART/USART interfaces; Brown-out Detect/Reset, DMA, I2S, LCD controller, POR, PWM, and WDT functions

Analog Capabilities: 7-channel 12-bit SAR analog-to-digital converter, 2-channel 12-bit digital-to-analog converter

Electrical Characteristics: 1.8V to 3.6V supply voltage range, 51 I/O pins

Physical & Environmental: 64-pin LQFP package (10x10mm), surface-mount configuration, -40°C to 85°C operating temperature range, ROHS3 compliance, MSL 3 rating

Substitution is valid only when all parameters listed above are identical between the main part and the substitute part.

Parameter Comparison

Engineering Selection Recommendations

The NANO110RE2BN is a direct substitute for the NANO110RE2AN. All electrical specifications, memory configuration, peripheral functions, connectivity interfaces, analog conversion capabilities, package dimensions, and environmental operating parameters are identical between the two parts.

The primary distinction between these parts is product status: the NANO110RE2AN is classified as Obsolete, while the NANO110RE2BN is classified as Active. The NANO110RE2BN maintains ROHS3 compliance and carries REACH Unaffected status, ensuring regulatory alignment with current environmental and hazardous substance directives.

For applications currently utilizing the NANO110RE2AN, the NANO110RE2BN provides full functional and physical compatibility with no design modifications required. The Active status of the NANO110RE2BN ensures continued availability and supply chain support for new production and long-term product maintenance.

Frequently Asked Questions (FAQ)

Q: Can the NANO110RE2BN be used as a direct replacement for the NANO110RE2AN without PCB modifications?

A: Yes. The NANO110RE2BN is electrically and mechanically identical to the NANO110RE2AN. Both devices feature the same 64-pin LQFP (10x10mm) package, identical pin assignments, and matching electrical specifications. No PCB layout changes are required.

Q: What is the difference between the NANO110RE2AN and NANO110RE2BN?

A: The NANO110RE2AN is classified as Obsolete, while the NANO110RE2BN is classified as Active. All functional and electrical parameters are identical. The NANO110RE2BN is the current production equivalent.

Q: Are there any firmware or software compatibility issues when switching from NANO110RE2AN to NANO110RE2BN?

A: No. Both devices are based on the same ARM® Cortex®-M0 core architecture, operate at 42MHz, and feature identical memory organization (128KB FLASH, 8KB RAM). Firmware compiled for the NANO110RE2AN executes without modification on the NANO110RE2BN.

Q: Do both parts meet the same environmental and regulatory standards?

A: Yes. Both the NANO110RE2AN and NANO110RE2BN are ROHS3 compliant and carry MSL 3 (168 Hours) moisture sensitivity ratings. The NANO110RE2BN additionally carries REACH Unaffected status.

Q: What is the supply voltage range for both parts?

A: Both the NANO110RE2AN and NANO110RE2BN operate with a supply voltage range of 1.8V to 3.6V. No power supply modifications are required when substituting between these parts.

Q: Are the I/O pin counts and connectivity interfaces identical?

A: Yes. Both parts feature 51 I/O pins and identical connectivity interfaces: I2C, SPI, and UART/USART. Peripheral functions including PWM, DMA, LCD controller, and watchdog timer are identical.

Q: What is the operating temperature range for both microcontrollers?

A: Both the NANO110RE2AN and NANO110RE2BN operate across the temperature range of -40°C to 85°C (TA). No thermal design changes are required when substituting between these parts.