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