ATMEGA1281V-8MU vs ATMEGA128L-8MJ Comparison
Detailed side-by-side comparison of ATMEGA1281V-8MU by Microchip Technology and ATMEGA128L-8MJ 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
ATMEGA1281V-8MU - 8MHz AVR MCU, 128KB Flash | Microchip
ATMEGA1281V-8MU ✓ ActiveMicrochip Technology
ATMEGA128L-8MJ - 8-bit AVR MCU, 128KB Flash, 8MHz | Microchip
ATMEGA128L-8MJ ✓ ActiveSpecification Comparison
| Parameter | ATMEGA1281V-8MU | ATMEGA128L-8MJ |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | AVR 8-bit RISC | 8-bit AVR RISC |
| Data Bus Width | 8 Bit | — |
| Maximum Clock Speed | 8 MHz | — |
| Flash Memory | 128 KB (64K x 16) In-System Programmable | — |
| SRAM | 8 KB | 4 KB |
| EEPROM | 4 KB | 4 KB |
| Supply Voltage Range | 1.8 V to 5.5 V | — |
| General Purpose I/O | 54 lines | — |
| Timers/Counters | 6 (two 8-bit, four 16-bit) | 4 (with compare modes and PWM) |
| ADC | 8-channel, 10-bit | 8-channel, 10-bit |
| USART | 2 | 2 |
| SPI | 1 | — |
| TWI (I2C-compatible) | 1 | — |
| JTAG Debug / Boundary Scan | Yes | — |
| Instructions | 133, most single-cycle | — |
| Working Registers | 32 x 8-bit | 32 x 8-bit |
| Package | 64-QFN (MLF), 9 x 9 mm | 64-VFQFN with Exposed Pad (MLF) |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant (green package) | — |
| Lifecycle Stage | ACTIVE | — |
| Flash Program Memory | — | 128 KB (In-System Programmable, Read-While-Write) |
| Maximum Clock Frequency | — | 8 MHz |
| Operating Voltage Range | — | 2.7 V to 5.5 V |
| General Purpose I/O Lines | — | 53 |
| Real Time Counter | — | Yes (RTC) |
| Two-wire Serial Interface (TWI) | — | Yes (byte-oriented) |
| JTAG | — | Yes (on-chip debug and boundary scan) |
| Operating Temperature | — | [DATA_NEEDED: operating temperature range] |
| Throughput | — | Approx. 8 MIPS at 8 MHz (most instructions single-cycle) |