ATMEGA645V-8AI vs ATMEGA649-16AI 对比
详细并排对比 ATMEGA645V-8AI 出自 Microchip Technology 和 ATMEGA649-16AI 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
ATMEGA649-16AI - 8-Bit AVR MCU 16MHz 64KB Flash | Microchip
ATMEGA649-16AI ✓ 量产中规格对比
| 参数 | ATMEGA645V-8AI | ATMEGA649-16AI |
|---|---|---|
| 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 | $0.00 |
| Core Architecture | 8-bit AVR RISC | — |
| Program Memory Size | 64 KB (32K x 16) ISP Flash | 64 KB (32K x 16) Flash, ISP, read-while-write |
| SRAM Size | 4 KB | 4 KB |
| EEPROM Size | 2 KB | 2 KB |
| 最大时钟频率 | 8 MHz | 16 MHz |
| Operating Voltage Range | 2.7 V to 5.5 V | — |
| 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 (TQFP-64 configuration) |
| ADC | 8-channel, 10-bit | — |
| 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) | -40C to +85C (industrial grade, per Atmel part number suffix 'I') |
| 封装 | 64-TQFP (14 x 14 mm) | 64-TQFP (14x14 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 (per Microchip product listing) |
| Data Retention | [DATA_NEEDED: EEPROM/Flash data retention] | — |
| Core | — | AVR 8-Bit RISC |
| Core Size | — | 8-Bit |
| Instruction Set | — | 130 powerful instructions, most single-cycle |
| Working Registers | — | 32 x 8-bit general purpose |
| JTAG | — | Yes (on-chip debug and boundary scan) |
| LCD Controller | — | On-chip segment LCD driver |
| Supply Voltage Range | — | [DATA_NEEDED: supply voltage range] |
| Programming Interfaces | — | ISP (SPI), JTAG, ICSP via MPLAB SNAP |