ATMEGA645V-8AI vs ATMEGA645-16AI Comparison
Detailed side-by-side comparison of ATMEGA645V-8AI by Microchip Technology and ATMEGA645-16AI 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
ATMEGA645V-8AI - 64KB AVR MCU, 8MHz, TQFP-64 | Microchip
ATMEGA645V-8AI β ActiveMicrochip Technology
ATMEGA645-16AI - 8-bit AVR MCU 64KB Flash 16MHz | Microchip
ATMEGA645-16AI β ActiveSpecification Comparison
| Parameter | ATMEGA645V-8AI | ATMEGA645-16AI |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.00 | $6.45 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Program Memory Size | 64 KB (32K x 16) ISP Flash | β |
| SRAM Size | 4 KB | β |
| EEPROM Size | 2 KB | β |
| Maximum Clock Frequency | 8 MHz | 16 MHz |
| Operating Voltage Range | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| Instructions | 130 (most single-cycle) | β |
| Throughput | up to 8 MIPS at 8 MHz | 16 MIPS at 16 MHz |
| General Purpose I/O | 54 I/O lines (64-pin package) | β |
| ADC | 8-channel, 10-bit | 8-channel, 10-bit |
| Timers/Counters | 3 flexible Timer/Counters | β |
| Debug Interface | JTAG (on-chip debug, Boundary-scan, programming) | β |
| Operating Temperature | -40C to +85C (industrial, I suffix) | -40C to +85C (industrial, I grade) |
| Package | 64-TQFP (14 x 14 mm) | 64-TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| In-System Programming | Yes (ISP Flash, Read-While-Write) | β |
| RoHS Status | [DATA_NEEDED: RoHS status] | Compliant |
| Data Retention | [DATA_NEEDED: EEPROM/Flash data retention] | β |
| Flash Program Memory | β | 64 KB (32K x 16) ISP |
| SRAM | β | 4 KB |
| EEPROM | β | 2 KB |
| Programmable I/O | β | 68 (device), 54 available on 64-TQFP |
| JTAG Interface | β | Yes (on-chip debugging and boundary scan) |
| Instruction Set | β | 130 instructions, mostly single-cycle |
| Interfaces | β | USART, SPI, TWI (I2C) |
| ISP Capability | β | In-System Programmable Flash |