ATMEGA1284-PU vs ATMEGA324PA-PU Comparison
Detailed side-by-side comparison of ATMEGA1284-PU by Microchip Technology and ATMEGA324PA-PU 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
ATMEGA1284-PU - 8-bit AVR MCU 128KB Flash 20MHz PDIP-40 | Microchip
ATMEGA1284-PU ✓ ActiveMicrochip Technology
ATMEGA324PA-PU - 32KB AVR MCU 20MHz PDIP-40 | Microchip
ATMEGA324PA-PU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA1284-PU | ATMEGA324PA-PU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $6.21 | $3.55 |
| Core Architecture | AVR enhanced RISC, 8-bit | 8-bit AVR RISC |
| Flash Program Memory | 128KB (64K x 16) | — |
| SRAM | 16KB | 2 KB |
| EEPROM | 4KB | 1 KB |
| Maximum Clock Frequency | 20 MHz | — |
| Supply Voltage Range | 2.5V to 5.5V (speed-graded) | — |
| I/O Pins | 32 general purpose I/O lines | — |
| ADC | 8-channel, 10-bit | 8-channel 10-bit ADC |
| Timers | 2 x 8-bit, 1 x 16-bit | — |
| USART | 2 | — |
| Serial Interfaces | SPI, 2-Wire (I2C), USART | 2 x USART, 1 x Two-Wire (I2C-compatible), 1 x SPI |
| JTAG | Yes (Port C, on-chip debug and boundary-scan) | — |
| Instructions | 133 instructions, most single-cycle | 131 powerful instructions, most single-cycle |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | — |
| Package | 40-PDIP | 40-pin PDIP (DIP-40), through-hole |
| Mounting Type | Through Hole | Through Hole |
| RoHS Status | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: RoHS compliance] |
| Flash Memory | — | 32 KB ISP Flash (read-while-write) |
| Maximum Clock Speed | — | 20 MHz (up to 20 MIPS) |
| Supply Voltage | — | 4.5 V to 5.5 V (per listed specifications) |
| General Purpose I/O | — | 32 I/O lines (4 x 8-bit ports) |
| Working Registers | — | 32 x 8-bit |
| Timers/Counters | — | 3 flexible timer/counters with compare modes and PWM |
| Real-Time Counter | — | Yes, with separate oscillator |
| Hardware Multiplier | — | On-chip 2-cycle multiplier |
| Low Power Technology | — | picoPower |
| Life Cycle Stage | — | Active |