ATMEGA640-16AUR vs ATMEGA640-16AU Comparison
Detailed side-by-side comparison of ATMEGA640-16AUR by Microchip Technology and ATMEGA640-16AU 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
ATMEGA640-16AUR - 8-bit AVR MCU 64KB Flash 16MHz TQFP-100 | Microchip
ATMEGA640-16AUR ✓ ActiveMicrochip Technology
ATMEGA640-16AU - 8-bit AVR MCU 16MHz 64KB Flash | Microchip
ATMEGA640-16AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA640-16AUR | ATMEGA640-16AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $6.20 | $6.90 |
| Core Architecture | 8-bit AVR RISC | AVR Enhanced RISC (8-bit) |
| Program Memory (Flash) | 64 KB (32K x 16) | 64 KB (32K x 16) |
| SRAM | 8 KB | 8 KB |
| EEPROM | 4 KB | 4 KB |
| Maximum CPU Clock | 16 MHz | — |
| Operating Voltage (Vcc) | 4.5 V to 5.5 V | — |
| General-Purpose I/O Lines | 86 | — |
| General-Purpose Working Registers | 32 | — |
| Timer/Counters | 6 flexible timer/counters with compare/PWM | — |
| ADC | 10-bit, 8/16-channel | 16 channels x 10-bit |
| USART | 2 programmable serial USARTs | 4 |
| SPI | 1 master/slave SPI | 1 |
| TWI (I2C-compatible) | 1 byte-oriented 2-wire interface | — |
| Analog Comparator | On-chip | — |
| Watchdog Timer | Programmable, with separate on-chip oscillator | — |
| Package | 100-pin TQFP (14x14 mm) | 100-pin TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C (industrial) |
| In-System Programmable (ISP) | Yes | — |
| RoHS Status | Compliant | Compliant |
| Series | — | ATmega640 |
| Maximum Clock Frequency | — | 16 MHz |
| Throughput | — | ~16 MIPS |
| Supply Voltage | — | 2.7 V to 5.5 V |
| I/O Pins | — | 86 |
| PWM Channels | — | 16 |
| Timers/Counters | — | 6 |
| TWI (I2C) | — | 1 |
| In-System Programming | — | Yes (ISP) |
| On-Chip Debug | — | JTAG |