ATMEGA164A-AU vs ATMEGA48-20AU Comparison
Detailed side-by-side comparison of ATMEGA164A-AU by Microchip Technology and ATMEGA48-20AU 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
ATMEGA164A-AU - 8-bit AVR MCU, 16KB Flash, 20MHz, 44-TQFP
ATMEGA164A-AU ✓ ActiveMicrochip Technology
ATMEGA48-20AU - 8-bit AVR MCU 20MHz 4KB Flash | Microchip
ATMEGA48-20AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA164A-AU | ATMEGA48-20AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.65 | $1.68 |
| Core Architecture | AVR 8-bit RISC | 8-bit AVR RISC (enhanced) |
| Program Memory (Flash) | 16 KB (8K x 16) | 4 KB (2K x 16) |
| EEPROM | 512 B | 256 B |
| SRAM | 1 KB | 512 B |
| Maximum CPU Speed | 20 MHz (20 MIPS) | — |
| Supply Voltage | 2.7 V to 5.5 V (4.5V-5.5V at 20MHz) | — |
| General Purpose I/O | 32 | — |
| ADC | 8-channel, 10-bit | 6-channel, 10-bit |
| Timers/Counters | Two 8-bit, One 16-bit | — |
| PWM Channels | 6 | — |
| Communication Interfaces | 2x USART, SPI, I2C (TWI) | USART, SPI, TWI (I2C) |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C (industrial) |
| Package | 44-TQFP (10x10 mm) | 32-pin TQFP (7x7 mm, 0.8 mm pitch) |
| Mounting Type | Surface Mount | — |
| RoHS Status | Compliant | Compliant |
| Maximum CPU Frequency | — | 20 MHz |
| Throughput | — | Up to 20 MIPS |
| Supply Voltage (Vcc) | — | 4.5 V to 5.5 V |
| I/O Pins | — | 23 |
| Timer/Counters | — | 3 (2x 8-bit, 1x 16-bit) |
| On-chip Debug | — | debugWIRE |
| In-System Programming | — | Yes (SPI) |
| Sleep Modes | — | 6 (Idle, ADC NR, Power-save, Power-down, Standby, Ext Standby) |
| Watchdog Timer | — | Programmable, with on-chip oscillator |