ATMEGA324PA-AU vs ATMEGA164PA-ANR Comparison
Detailed side-by-side comparison of ATMEGA324PA-AU by Microchip Technology and ATMEGA164PA-ANR by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
ATMEGA324PA-AU - 32KB AVR MCU 20MHz TQFP-44 | Microchip
ATMEGA324PA-AU ✓ ActiveMicrochip Technology
ATMEGA164PA-ANR - 8-bit AVR MCU, 16KB Flash, 20MHz | Microchip
ATMEGA164PA-ANR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA324PA-AU | ATMEGA164PA-ANR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.87 | $1.10 |
| Core Architecture | 8-bit AVR RISC | — |
| Flash Memory | 32 KB ISP Flash (16K x 16), read-while-write | 16 KB (8K x 16) ISP, read-while-write |
| SRAM | 2 KB | 1 KB |
| EEPROM | 1 KB | 512 B |
| Maximum Clock Frequency | 20 MHz | 20 MHz |
| Supply Voltage | 4.5 V to 5.5 V | — |
| I/O Lines | 32 | — |
| Working Registers | 32 general purpose | — |
| Instructions | 131 powerful instructions, most single-cycle | — |
| Timers/Counters | 3 with compare modes and PWM | 3 flexible timer/counters with compare modes and PWM |
| Serial Interfaces | 2 USART, TWI (I2C), SPI | Two-Wire serial interface (TWI/I2C), SPI, 2x USART |
| ADC | 8-channel 10-bit | 8-channel 10-bit |
| Low-Power Technology | picoPower | — |
| Package | 44-TQFP (10 x 10 mm, 0.8 mm pitch) | 44-TQFP (10x10 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | — |
| RoHS Status | Compliant | Compliant (GRN / green per Mouser listing) |
| MSL Rating | [DATA_NEEDED: moisture sensitivity level] | — |
| Core | — | AVR 8-bit RISC |
| Supply Voltage Range | — | 1.8 V to 5.5 V |
| I/O Count | — | 32 general purpose I/O lines |
| USART | — | 2 |
| MIPS per MHz | — | Approaching 1 MIPS/MHz (single-cycle execution) |
| Low Power Technology | — | picoPower with multiple sleep modes and real-time counter |
| Programming/Debug | — | In-System Programming (ISP), debugWIRE via reset line |
| Packing | — | Tape and Reel (T/R) |