Nuvoton M052ZAN Equivalent & Substitute Parts

Part Overview

The Nuvoton M052ZAN is a 32-bit ARM Cortex-M0 microcontroller featuring 8KB FLASH memory, 4KB RAM, and integrated peripherals including I2C, SPI, UART/USART, and IrDA connectivity. Designed for embedded applications requiring low-power operation across a 2.5V to 5.5V supply range, this device operates at 50MHz with an internal oscillator and comprehensive reset/monitoring functions.

The M052ZAN is classified as obsolete. Identifying equivalent substitute parts is necessary to support legacy system maintenance, design updates, and procurement continuity when original inventory becomes unavailable.

Substiute Parts

M052ZAN
Nuvoton Technology CorporationIn Stock: 10346M052ZAN Datasheet
M052ZAN
Current Part
M052ZDN
Nuvoton Technology CorporationIn Stock: 699M052ZDN Datasheet
M052ZDN
MFR Recommended

Key Parameters

Parameter M052ZAN
Core Processor ARM Cortex-M0
Core Size 32-Bit Single-Core
Speed 50MHz
Program Memory (FLASH) 8KB (8K x 8)
RAM 4K x 8
Voltage Supply Range 2.5V ~ 5.5V
Data Converters A/D 5x12b
I/O Count 24
Package 32-WFQFN Exposed Pad
Operating Temperature -40°C ~ 85°C
Product Status Obsolete

Substitute Part Grouping Explanation

Substitution eligibility for the M052ZAN is determined by strict equivalence across the following critical parameters:

  • Core Architecture: ARM Cortex-M0 processor required
  • Memory Configuration: 8KB FLASH and 4KB RAM minimum
  • Clock Speed: 50MHz operation
  • Supply Voltage: 2.5V ~ 5.5V compatibility
  • I/O Count: 24 I/O pins
  • Package Type: 32-pin WFQFN with exposed pad
  • Data Conversion: 5-channel 12-bit ADC
  • Temperature Range: -40°C ~ 85°C operation

The M052ZDN qualifies as a direct substitute based on matching all core electrical specifications and package requirements. Both devices share identical processor architecture, memory capacity, clock frequency, voltage tolerance, I/O configuration, and thermal operating range. The M052ZDN maintains full functional compatibility while offering active product status and expanded connectivity options.

Parameter Comparison

Parameter M052ZAN M052ZDN Match
Core Processor ARM Cortex-M0 ARM Cortex-M0
Core Size 32-Bit Single-Core 32-Bit Single-Core
Speed 50MHz 50MHz
Program Memory (FLASH) 8KB (8K x 8) 8KB (8K x 8)
RAM 4K x 8 4K x 8
Voltage Supply Range 2.5V ~ 5.5V 2.5V ~ 5.5V
Data Converters A/D 5x12b A/D 5x12b SAR
I/O Count 24 24
Package 32-WFQFN Exposed Pad 32-WFQFN Exposed Pad
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C
Product Status Obsolete Active

Engineering Selection Recommendations

The M052ZDN is the manufacturer-recommended substitute for the M052ZAN. Both devices carry identical REACH compliance status (REACH Unaffected) and ECCN/HTSUS classifications, ensuring regulatory equivalence for procurement and export purposes.

The M052ZDN offers the advantage of active product status, providing assured long-term availability and manufacturing support compared to the obsolete M052ZAN. All electrical parameters, memory specifications, I/O configuration, and thermal ratings are identical, ensuring direct functional compatibility in existing designs.

Selection between these parts should be based on procurement availability and supply chain requirements rather than technical performance differences.

Frequently Asked Questions (FAQ)

Q: Can the M052ZDN directly replace the M052ZAN in existing designs?

A: Yes. Both devices share identical core processor architecture, memory capacity, clock frequency, supply voltage range, I/O count, and package configuration. No design modifications are required for substitution.

Q: What is the primary advantage of the M052ZDN over the M052ZAN?

A: The M052ZDN maintains active product status with ongoing manufacturer support and assured availability, whereas the M052ZAN is classified as obsolete. This makes the M052ZDN the preferred choice for new procurement and long-term supply chain planning.

Q: Are the packages physically identical?

A: Both devices use the 32-WFQFN Exposed Pad package. PCB footprints and soldering requirements are identical, allowing direct board-level substitution without layout modifications.

Q: Do both parts support the same connectivity interfaces?

A: Both devices support I2C, SPI, UART/USART, and IrDA. The M052ZDN additionally supports EBI/EMI and LINbus connectivity, providing expanded interface options while maintaining full backward compatibility.

Q: Are there differences in peripheral functionality?

A: Both devices include Brown-out Detect/Reset, POR, PWM, and WDT functions. The M052ZDN includes LVR (Low Voltage Reset) whereas the M052ZAN specifies LVD (Low Voltage Detect). Both provide equivalent voltage monitoring capability.

Q: What compliance certifications apply to both parts?

A: Both the M052ZAN and M052ZDN carry identical REACH compliance status (REACH Unaffected), ECCN code (3A991A2), and HTSUS classification (8542.31.0001), ensuring regulatory equivalence for all applications and markets.

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