ATMEGA325A-AU vs ATMEGA165P-16AN Comparison
Detailed side-by-side comparison of ATMEGA325A-AU by Microchip Technology and ATMEGA165P-16AN 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
ATMEGA325A-AU - AVR 8-bit MCU 32KB Flash 20MHz 64TQFP | Microchip
ATMEGA325A-AU ✓ ActiveMicrochip Technology
ATMEGA165P-16AN - AVR 8-bit MCU 16KB 16MHz TQFP-64 | Microchip
ATMEGA165P-16AN ✓ ActiveSpecification Comparison
| Parameter | ATMEGA325A-AU | ATMEGA165P-16AN |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | 8-bit AVR RISC | AVR 8-bit RISC |
| Flash Memory | 32 KB (16K x 16) ISP Flash with read-while-write | 16 KB (8K x 16) ISP |
| SRAM | 2 KB | 1 KB |
| EEPROM | 1 KB | 512 B |
| Maximum Clock Frequency | 20 MHz | — |
| Instructions | 131 powerful instructions, most single-cycle | — |
| General Purpose I/O | 54 lines | 53 lines |
| Working Registers | 32 general purpose registers | 32 x 8-bit |
| Debug / Test Interface | JTAG (on-chip debug and boundary scan) | — |
| Supply Voltage | 4.5 V to 5.5 V | — |
| Package | 64-TQFP, 14 x 14 mm, 0.8 mm pitch | 64-TQFP (14 x 14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Temperature Grade | Industrial | — |
| RoHS Status | Green (lead-free, per FindIC listing) | Compliant (Green per Mouser listing) |
| Lifecycle Stage | ACTIVE | — |
| Operating Temperature Range | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| Moisture Sensitivity Level | [DATA_NEEDED: MSL level] | — |
| Max CPU Speed | — | 16 MHz |
| Instruction Set | — | 131 instructions, most single-cycle |
| Throughput | — | Up to 16 MIPS |
| Supply Voltage Range | — | 1.8 V to 5.5 V |
| Supply Voltage Grades | — | 3.3 V / 5 V |
| Debug/Programming Interfaces | — | JTAG (boundary-scan, on-chip debug), ISP |
| Timers | — | Three flexible Timer/Counters |
| ADC Resolution/Channels | — | [DATA_NEEDED: ADC resolution and channels] |
| Data Retention | — | [DATA_NEEDED: flash data retention] |