ATMEGA164A-MCH vs ATMEGA164P-20MU Comparison
Detailed side-by-side comparison of ATMEGA164A-MCH by Microchip Technology and ATMEGA164P-20MU 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-20MU - 8-bit AVR MCU 20MHz 16KB Flash | Microchip
ATMEGA164P-20MU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA164A-MCH | ATMEGA164P-20MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Product Type | 8-bit AVR RISC Microcontroller | — |
| Family | ATmega | — |
| Program Memory (Flash) | 16 KB | — |
| EEPROM | 512 B | — |
| SRAM | 1 KB | — |
| Maximum CPU Speed | 20 MHz | — |
| CPU Throughput | 20 MIPS | — |
| Supply Voltage (Vcc) | 2.7 V to 5.5 V | — |
| I/O Pins | 32 | — |
| Working Registers | 32 x 8-bit | — |
| ADC | 10-bit | 8-channel 10-bit |
| Package | 44-pin QFN (5x5 mm) with exposed pad | 44-VQFN (7x7 mm) with Exposed Pad |
| Data Bus Width | 8 bit | — |
| Instruction Set | AVR (131 instructions, mostly single-cycle) | — |
| Programming Interface | ISP / JTAG | — |
| Operating Temperature | -40C to +85C (industrial) | [DATA_NEEDED: operating temperature range] |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant | — |
| Core Processor | — | AVR |
| Core Size | — | 8-Bit |
| Speed | — | 20 MHz |
| Program Memory Size | — | 16 KB (8K x 16) FLASH |
| EEPROM Size | — | 512 B |
| RAM Size | — | 1 KB SRAM |
| Supply Voltage Range | — | 2.7 V to 5.5 V |
| Number of I/O | — | 32 |
| Timers/Counters | — | 3 (with compare modes and PWM) |
| Communication Interfaces | — | 2x USART, TWI (I2C), SPI |
| RTC | — | Yes (real-time counter) |
| Instructions | — | 133 (advanced RISC, mostly single-cycle) |
| Low Power Technology | — | picoPower |
| Programming | — | ISP (In-System Programming), read-while-write |