ATMEGA640-16AU vs ATMEGA640V-8AU Comparison
Detailed side-by-side comparison of ATMEGA640-16AU by Microchip Technology and ATMEGA640V-8AU 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
ATMEGA640-16AU - 8-bit AVR MCU 16MHz 64KB Flash | Microchip
ATMEGA640-16AU ✓ ActiveMicrochip Technology
ATMEGA640V-8AU - 8MHz 64KB Flash AVR MCU 100-TQFP | Microchip
ATMEGA640V-8AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA640-16AU | ATMEGA640V-8AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $6.90 | $3.95 |
| Core Architecture | AVR Enhanced RISC (8-bit) | 8-bit AVR RISC |
| Series | ATmega640 | AVR ATmega |
| Program Memory (Flash) | 64 KB (32K x 16) | — |
| SRAM | 8 KB | 8 KB |
| EEPROM | 4 KB | 4 KB |
| Maximum Clock Frequency | 16 MHz | — |
| Throughput | ~16 MIPS | — |
| Supply Voltage | 2.7 V to 5.5 V | — |
| I/O Pins | 86 | — |
| ADC | 16 channels x 10-bit | 10-bit, 16-channel |
| PWM Channels | 16 | — |
| Timers/Counters | 6 | 6 |
| USART | 4 | — |
| SPI | 1 | — |
| TWI (I2C) | 1 | — |
| Package | 100-pin TQFP (14x14 mm) | 100-TQFP (14 x 14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (industrial) | — |
| In-System Programming | Yes (ISP) | — |
| On-Chip Debug | JTAG | — |
| RoHS Status | Compliant | Compliant |
| Max Clock Frequency | — | 8 MHz |
| Flash Memory | — | 64 KB (32K x 16) |
| Supply Voltage Range | — | 1.8 V to 5.5 V |
| General Purpose I/O | — | 86 lines |
| USART Interfaces | — | 4 |
| Serial Interfaces | — | SPI, 2-wire (I2C-compatible), 4x USART |
| Analog Comparator | — | Yes, on-chip |
| Watchdog Timer | — | Yes, with separate on-chip oscillator |
| External Memory Interface | — | EBI/EMI |
| Program Memory Type | — | ISP Flash |