ATMEGA48-20MJ vs ATMEGA48PA-MU Comparison
Detailed side-by-side comparison of ATMEGA48-20MJ by Microchip Technology and ATMEGA48PA-MU 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
ATMEGA48-20MJ - 8-bit AVR MCU 20MHz 4KB Flash VQFN-32 | Microchip
ATMEGA48-20MJ ✓ ActiveSpecification Comparison
| Parameter | ATMEGA48-20MJ | ATMEGA48PA-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.00 | $1.08 |
| Core Architecture | 8-bit AVR RISC | AVR 8-bit RISC |
| Maximum Clock Frequency | 20 MHz | 20 MHz |
| Peak Throughput | 20 MIPS at 20 MHz | — |
| Flash Program Memory | 4 KB (2K x 16) | — |
| SRAM | 512 bytes | 512 B |
| EEPROM | 256 bytes | 256 B |
| Instructions | 131 instructions, most single-cycle | — |
| ADC Resolution | 10-bit | — |
| ADC Channels | 8-channel | — |
| Supply Voltage Range | 1.8 V to 5.5 V | 1.8 V to 5.5 V (picoPower) |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C (industrial) |
| Package | 32-VQFN / MLF (5x5 mm), pad designation J | 32-pin VQFN (5x5 mm, 0.5 mm pitch), green |
| Timers | 2 x 8-bit, 1 x 16-bit | — |
| PWM Channels | 6 | — |
| Communication Interfaces | USART, SPI, 2-wire serial (I2C-compatible) | USART, SPI, Two-Wire Interface (I2C) |
| On-Chip Debug | debugWIRE | — |
| Sleep Modes | Idle, ADC Noise Reduction, Power-save, Power-down, Standby | 6 modes incl. power-down at 0.1 uA (picoPower) |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant (green package) | Compliant (GREEN package) |
| Flash Memory | — | 4 KB (2K x 16) ISP Flash |
| General Purpose I/O | — | 23 lines |
| Working Registers | — | 32 x 8-bit |
| Timers/Counters | — | 2 x 8-bit, 1 x 16-bit with compare modes |
| ADC | — | 10-bit, 8 single-ended channels, differential with programmable gain |
| Internal Oscillator | — | Calibrated RC oscillator (8 MHz nominal, divided options) |
| Brown-out Detector | — | Yes, on-chip |
| Flash Endurance | — | 10,000 write/erase cycles (per datasheet family specification) |