ATMEGA644P-A15AZ vs ATMEGA644P-15AZ Comparison
Detailed side-by-side comparison of ATMEGA644P-A15AZ by Microchip Technology and ATMEGA644P-15AZ 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-15AZ - 8-bit AVR MCU 64KB 16MHz TQFP-44 | Microchip
ATMEGA644P-15AZ ObsoleteSpecification Comparison
| Parameter | ATMEGA644P-A15AZ | ATMEGA644P-15AZ |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Nrnd | Obsolete |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.85 | $4.98 |
| Core Architecture | 8-bit AVR RISC | β |
| Flash Memory | 64 KB | β |
| SRAM | 4 KB | β |
| EEPROM | 2 KB | β |
| Maximum Clock Frequency | 16 MHz | β |
| Supply Voltage Range | 4.5 V to 5.5 V | β |
| I/O Ports / Lines | 53 I/O | β |
| Data Bus Width | 8 bit | β |
| Program Memory Type | Flash | β |
| USARTs | 2 | β |
| Package | 44-TQFP | β |
| Mounting Type | Surface Mount | β |
| Product Family | ATmega644P (AVR ATmega) | β |
| Lifecycle Stage | Active (mature product, NRND per Microchip; replaced by ATmega644PA) | β |
| Programming / Debug Interface | ICSP (In-Circuit Serial Programming), supports MPLAB SNAP debugging | β |
| RoHS Status | [DATA_NEEDED: RoHS compliance status] | β |
| Operating Temperature Range | [DATA_NEEDED: operating temperature range] | β |
| Core | β | AVR 8-bit |
| Core Size | β | 8-Bit |
| Speed | β | 16 MHz |
| Program Memory Size | β | 64 KB (32K x 16) Flash |
| RAM Size | β | 4 KB |
| EEPROM Size | β | 2 KB |
| Number of I/O | β | 32 |
| Package / Case | β | 44-TQFP (10x10 mm) |
| Operating Voltage | β | 4.5 V to 5.5 V (15 MHz speed grade) |
| Oscillator Type | β | Internal |
| Peripherals | β | Brown-out Detect/Reset, POR, PWM, WDT |
| Connectivity | β | I2C, SPI, 2x USART |
| ADC | β | 10-bit, up to 8 channels |
| Architecture Features | β | 131 instructions, most single-cycle, 1 MIPS/MHz |
| Technology | β | picoPower low-power CMOS |
| Debug Interface | β | JTAG (on-chip debug) |
| Packaging | β | Tape & Reel (TR) |
| Qualification | β | Verified during product qualification per AEC-Q100 grade 1 (per datasheet family notes) |
| Programmer Compatibility | β | AVR ISP / STK600 / XPRO toolchain |