ATMEGA645V-8AI vs ATMEGA645A-AUR 对比
详细并排对比 ATMEGA645V-8AI 出自 Microchip Technology 和 ATMEGA645A-AUR 出自 Microchip Technology。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
Microchip Technology
ATMEGA645A-AUR - 8-bit AVR MCU 64KB Flash 16MHz TQFP-64 | Microchip
ATMEGA645A-AUR ✓ 量产中规格对比
| 参数 | ATMEGA645V-8AI | ATMEGA645A-AUR |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 分类 | Microcontrollers | Microcontrollers |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $0.00 | $4.68 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Program Memory Size | 64 KB (32K x 16) ISP Flash | — |
| SRAM Size | 4 KB | — |
| EEPROM Size | 2 KB | — |
| 最大时钟频率 | 8 MHz | — |
| Operating Voltage Range | 2.7 V to 5.5 V | 2.5 V / 3.3 V / 5 V (per datasheet family listing) |
| Instructions | 130 (most single-cycle) | — |
| Throughput | up to 8 MIPS at 8 MHz | — |
| General Purpose I/O | 54 I/O lines (64-pin package) | 54 I/O lines |
| ADC | 8-channel, 10-bit | 10-bit, 8 channels |
| Timers/Counters | 3 flexible Timer/Counters | — |
| Debug Interface | JTAG (on-chip debug, Boundary-scan, programming) | — |
| 工作温度 | -40C to +85C (industrial, I suffix) | — |
| 封装 | 64-TQFP (14 x 14 mm) | 64-TQFP (14 x 14 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| In-System Programming | Yes (ISP Flash, Read-While-Write) | — |
| RoHS 状态 | [DATA_NEEDED: RoHS status] | Compliant |
| Data Retention | [DATA_NEEDED: EEPROM/Flash data retention] | — |
| Max Operating Frequency | — | 16 MHz |
| Flash Memory | — | 64 KB (32K x 16) ISP FLASH |
| EEPROM | — | 2 KB |
| SRAM | — | 4 KB |
| Working Registers | — | 32 x 8-bit |
| LCD Controller | — | Yes, segment driver (megaAVR LCD family) |
| Timers | — | Two 8-bit, one 16-bit |
| Serial Interfaces | — | 2 x USART, SPI, TWI (I2C compatible) |
| Debug / Programming | — | JTAG, ICSP (In-Circuit Serial Programming) |
| Operating Temperature (Max) | — | 85 C |
| Packaging | — | Tape & Reel (R suffix) |