ATMEGA644P-20MU vs ATMEGA164P-15MZ Comparison
Detailed side-by-side comparison of ATMEGA644P-20MU by Microchip Technology and ATMEGA164P-15MZ 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-20MU - 8-bit AVR MCU 20MHz 64KB Flash | Microchip
ATMEGA644P-20MU NrndMicrochip Technology
ATMEGA164P-15MZ - 8-bit AVR MCU 16KB Flash 44-VQFN | Microchip
ATMEGA164P-15MZ β ActiveSpecification Comparison
| Parameter | ATMEGA644P-20MU | ATMEGA164P-15MZ |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Nrnd | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.02 | $8.83 |
| Core Architecture | AVR 8-bit enhanced RISC | β |
| Maximum Clock Frequency | 20 MHz | β |
| Flash Memory | 64 KB (32K x 16) | 16 KB (8K x 16), ISP, read-while-write |
| SRAM | 4 KB | 1 KB |
| EEPROM | 2 KB | 512 B |
| Supply Voltage | 4.5 V to 5.5 V (at 20 MHz) | β |
| USART Count | 2 | β |
| ADC | 10-bit, up to 8 channels | β |
| Interfaces | SPI, TWI (I2C-compatible), USART, JTAG | β |
| Package | 44-VQFN (7x7 mm) exposed pad | 44-VQFN (7x7 mm) with exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | Industrial range | -40C to +125C |
| MIPS Rating | Up to 20 MIPS (1 MIPS/MHz) | β |
| RoHS Status | Green / RoHS compliant | β |
| Product Status | Mature product; not recommended for new designs, replaced by ATmega644PA | β |
| Core Processor | β | AVR 8-bit RISC |
| Core Size | β | 8-bit |
| Speed (Max Frequency) | β | 16 MHz |
| GPIO Count | β | 32 |
| ADC Resolution | β | 10-bit, 8 channels |
| Communication Interfaces | β | USART, SPI, I2C (TWI) |
| Timers | β | Two 8-bit, one 16-bit (PWM capable) |
| Operating Voltage | β | [DATA_NEEDED: Operating Voltage Range] |
| Debug / Programming | β | JTAG, SPI (ICSP in-system programming) |
| Technology Feature | β | picoPower low-power technology |
| Series | β | AVR ATmega |