ATMEGA644P-A15MZ vs ATMEGA164P-A15MZ Comparison
Detailed side-by-side comparison of ATMEGA644P-A15MZ by Microchip Technology and ATMEGA164P-A15MZ 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
ATMEGA644P-A15MZ - 64KB AVR MCU, 16MHz, VQFN-44 | Microchip
ATMEGA644P-A15MZ NrndMicrochip Technology
ATMEGA164P-A15MZ - 16KB AVR MCU 16MHz 44-VQFN | Microchip
ATMEGA164P-A15MZ β ActiveSpecification Comparison
| Parameter | ATMEGA644P-A15MZ | ATMEGA164P-A15MZ |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Nrnd | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.00 | $1.58 |
| Core Processor | AVR | β |
| Core Size | 8-Bit | β |
| Max Clock Speed | 16 MHz | β |
| Flash Memory | 64 KB (32K x 16) | β |
| SRAM | 4 KB | 1 KB |
| EEPROM | 2 KB | 512 B |
| Supply Voltage | 4.5 V to 5.5 V | β |
| Number of GPIO | 32 | β |
| USART | 2 | β |
| ADC Resolution | 10-bit | β |
| ADC Channels | 8 | β |
| Connectivity | I2C (TWI), SPI, UART/USART | β |
| Timers | 3 timers/counters with compare modes and PWM | β |
| Throughput | 16 MIPS at 16 MHz | β |
| Package | 44-VQFN (7x7 mm) | 44-pin VQFN (7x7 mm) with exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Qualification | AEC-Q100 (automotive) | β |
| Operating Temperature Range | [DATA_NEEDED: Operating Temperature Range] | -40 C to +125 C |
| Packaging | Tray | β |
| Core Architecture | β | 8-bit AVR RISC |
| Program Memory Size | β | 16 KB (8K x 16) In-System Programmable Flash |
| Maximum Clock Frequency | β | 16 MHz |
| Operating Voltage Range | β | 2.7 V to 5.5 V |
| General Purpose I/O Lines | β | 32 |
| General Purpose Working Registers | β | 32 |
| Timers/Counters | β | 3 flexible timer/counters with compare modes and PWM |
| Serial Interfaces | β | 2x USART, byte-oriented Two-Wire serial interface, SPI |
| ADC | β | 8-channel, 10-bit successive approximation |
| Real-Time Counter | β | Yes, with separate on-chip oscillator |
| Instruction Set | β | 133 powerful instructions, most single clock cycle execution |
| Speed Grade | β | A15 (16 MHz automotive grade) |
| Power Technology | β | Microchip picoPower |
| RoHS Status | β | Compliant |
| Lifecycle Stage | β | Active |