ATMEGA162-16PC Equivalent & Substitute Parts

Part Overview

The ATMEGA162-16PC is an 8-bit AVR microcontroller from Microchip Technology, featuring 16KB of FLASH program memory, 1KB of RAM, and 512 bytes of EEPROM. This device operates at 16MHz with a 40-pin DIP package and supports multiple communication interfaces including SPI and UART/USART. The part is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and new design implementations.

Substiute Parts

ATMEGA162-16PC

Microchip TechnologyIn Stock: 1229ATMEGA162-16PC Datasheet

Current PartRFQ

ATMEGA162-16PU

AtmelIn Stock: 7646ATMEGA162-16PU Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ATMEGA162-16PC is determined by strict equivalence across core functional parameters: AVR processor architecture, 8-bit core size, 16MHz operating frequency, 16KB FLASH memory capacity, 1KB RAM, 512-byte EEPROM, 35 I/O pins, identical peripheral set (Brown-out Detect/Reset, POR, PWM, WDT), and 40-DIP package form factor.

The ATMEGA162-16PU qualifies as a direct substitute based on matching all these parameters. The substitution is valid regardless of differences in voltage supply range, operating temperature range, or product status classification, as these represent design margin variations rather than functional capability changes.

Parameter Comparison

Engineering Selection Recommendations

The ATMEGA162-16PU is the direct functional equivalent for ATMEGA162-16PC applications. Both devices share identical core architecture, memory configuration, I/O count, and peripheral feature set. The ATMEGA162-16PU is currently in active production status, whereas the ATMEGA162-16PC is obsolete, making the PU variant the preferred selection for new designs and ongoing system support.

The ATMEGA162-16PU provides extended operating temperature range (-40°C to 85°C versus 0°C to 70°C) and broader voltage supply tolerance (2.7V to 5.5V versus 4.5V to 5.5V), offering greater design margin for applications requiring wider environmental operating conditions. Pin-for-pin compatibility and identical package form factor ensure direct substitution without circuit board modifications.

Frequently Asked Questions (FAQ)

Q: Are ATMEGA162-16PC and ATMEGA162-16PU pin-compatible?

A: Yes. Both devices use the 40-DIP package with identical pin assignments and electrical characteristics for all functional pins.

Q: What is the difference between the PC and PU package designations?

A: The package suffix indicates the lead material and plating specification. Both are 40-DIP through-hole packages with equivalent mechanical and electrical performance in circuit applications.

Q: Can ATMEGA162-16PU replace ATMEGA162-16PC in existing designs?

A: Yes. The ATMEGA162-16PU is a direct substitute with identical functional specifications, memory configuration, and peripheral set. No design changes are required.

Q: Why is ATMEGA162-16PC listed as obsolete?

A: Product status reflects manufacturing and distribution lifecycle decisions by the original manufacturer. The ATMEGA162-16PU remains in active production and provides equivalent functionality.

Q: Are there any voltage or temperature considerations when substituting?

A: The ATMEGA162-16PU supports a wider voltage range (2.7V to 5.5V) and extended temperature range (-40°C to 85°C) compared to the ATMEGA162-16PC (4.5V to 5.5V, 0°C to 70°C). Applications operating within the original PC specifications will function identically with the PU variant.

Q: Is the ATMEGA162-16PU available in production quantities?

A: Yes. The ATMEGA162-16PU is classified as active product status with current manufacturing availability.