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
ATMEGA164A-MCH
ATMEGA164A-MCH - 16KB AVR MCU 20MHz 44-QFN | Microchip
ATMEGA164A-MCH β ActiveMicrochip Technology
ATMEGA164P-20MU
ATMEGA164P-20MU - 8-bit AVR MCU 20MHz 16KB Flash | Microchip
ATMEGA164P-20MU β ActiveSpecification Comparison
| Parameter | ATMEGA164A-MCH | ATMEGA164P-20MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.22 | $2.98 |
| Core Architecture | 8-bit AVR RISC | β |
| Flash Program Memory | 16 KB (8K x 16), ISP, read-while-write | β |
| EEPROM | 512 B | β |
| SRAM | 1 KB | β |
| Maximum Clock Frequency | 20 MHz | β |
| Peak Throughput | 20 MIPS at 20 MHz | β |
| Supply Voltage Range | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| General Purpose I/O | 32 lines | β |
| Working Registers | 32 x 8-bit | β |
| Package | 44-QFN (5x5 mm) with exposed pad | 44-VQFN (7x7 mm) with Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| ADC | 10-bit ADC | 8-channel 10-bit |
| Serial Interfaces | USART, SPI, TWI (I2C) | β |
| Debug / Scan | JTAG (on-chip debug and boundary scan) | β |
| Sleep Modes | Idle, Power-down, Power-save, Standby | β |
| RoHS Status | [DATA_NEEDED: RoHS status] | β |
| Lifecycle Stage | Active | β |
| Core Processor | β | AVR |
| Core Size | β | 8-Bit |
| Speed | β | 20 MHz |
| Program Memory Size | β | 16 KB (8K x 16) FLASH |
| EEPROM Size | β | 512 B |
| RAM Size | β | 1 KB SRAM |
| Number of I/O | β | 32 |
| Timers/Counters | β | 3 (with compare modes and PWM) |
| Communication Interfaces | β | 2x USART, TWI (I2C), SPI |
| RTC | β | Yes (real-time counter) |
| Instructions | β | 133 (advanced RISC, mostly single-cycle) |
| Low Power Technology | β | picoPower |
| Programming | β | ISP (In-System Programming), read-while-write |