ATMEGA169A-MCHR vs ATMEGA169PA-MCHR Comparison
Detailed side-by-side comparison of ATMEGA169A-MCHR by Microchip Technology and ATMEGA169PA-MCHR 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
ATMEGA169A-MCHR - 16KB Flash AVR MCU 64-QFN | Microchip
ATMEGA169A-MCHR ✓ ActiveMicrochip Technology
ATMEGA169PA-MCHR - AVR 8-bit MCU 16KB LCD 64-QFN | Microchip
ATMEGA169PA-MCHR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA169A-MCHR | ATMEGA169PA-MCHR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core | AVR 8-bit RISC | — |
| Flash Memory | 16 KB ISP Flash | 16 KB (8K x 16), ISP, read-while-write |
| EEPROM | 512 B | 512 B |
| SRAM | 1 KB | 1 KB |
| Maximum Clock Frequency | 20 MHz | 16 MHz |
| Supply Voltage Range | 1.8 V to 5.5 V | — |
| General Purpose I/O | 54 lines | 54 lines (69 total pins incl. LCD segments) |
| Instructions | 133 instructions, most single-cycle | — |
| Working Registers | 32 x 8-bit | 32 general purpose |
| Package | 64-QFN (7x7 mm) with exposed pad | 64-QFN (7x7 mm) with exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Data Bus Width | 8 bit | — |
| Program Memory Type | Flash (In-System Programmable, read-while-write) | — |
| Packaging | Tape & Reel (T/R) | Tape & Reel (R suffix) |
| Lifecycle Status | Active | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | Compliant |
| Operating Temperature Range | [DATA_NEEDED: operating temperature range] | — |
| ADC Resolution | [DATA_NEEDED: ADC resolution] | [DATA_NEEDED: ADC resolution and channels] |
| Core Processor | — | AVR 8-bit RISC |
| Core Size | — | 8-bit |
| LCD Controller | — | Integrated segment LCD driver |
| Low Power Technology | — | picoPower |
| Supply Voltage | — | 2.5 V / 3.3 V / 5 V (per cross-reference data) |
| Operating Temperature | — | [DATA_NEEDED: operating temperature range] |
| Communication Interfaces | — | USART, SPI, TWI (I2C) |