ATMEGA64-16AU vs ATMEGA645V-8AI 对比
详细并排对比 ATMEGA64-16AU 出自 Microchip Technology 和 ATMEGA645V-8AI 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。
规格对比
| 参数 | ATMEGA64-16AU | ATMEGA645V-8AI |
|---|---|---|
| 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） | $7.23 | $0.00 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Program Memory Size | 64 KB Flash (32K x 16) | 64 KB (32K x 16) ISP Flash |
| Flash Endurance | 10,000 write/erase cycles | — |
| SRAM | 4 KB | — |
| EEPROM | 2 KB | — |
| Maximum CPU Speed | 16 MHz | — |
| Throughput | Up to 16 MIPS at 16 MHz | up to 8 MIPS at 8 MHz |
| General Purpose I/O Pins | 53 | — |
| General Purpose Working Registers | 32 | — |
| Operating Voltage | 4.5 V to 5.5 V (16 MHz); 2.7 V to 5.5 V (8 MHz) | — |
| Timer/Counters | 4 (two 8-bit, two 16-bit) with compare modes and PWM | — |
| USART Interfaces | 2 | — |
| Two-wire Serial Interface | 1 (byte oriented) | — |
| ADC | 8-channel, 10-bit | 8-channel, 10-bit |
| Real Time Counter | Yes (RTC) | — |
| 封装 | 64-TQFP (14x14 mm, 0.8 mm pitch) | 64-TQFP (14 x 14 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40 C to +85 C | -40C to +85C (industrial, I suffix) |
| RoHS 状态 | Compliant (GREEN) | [DATA_NEEDED: RoHS status] |
| JTAG Debug Interface | Yes (IEEE 1149.1 boundary-scan) | — |
| 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 |
| Instructions | — | 130 (most single-cycle) |
| General Purpose I/O | — | 54 I/O lines (64-pin package) |
| Timers/Counters | — | 3 flexible Timer/Counters |
| Debug Interface | — | JTAG (on-chip debug, Boundary-scan, programming) |
| In-System Programming | — | Yes (ISP Flash, Read-While-Write) |
| Data Retention | — | [DATA_NEEDED: EEPROM/Flash data retention] |