ATMEGA48A-MMH vs ATMEGA88A-MMH 对比
详细并排对比 ATMEGA48A-MMH 出自 Microchip Technology 和 ATMEGA88A-MMH 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
ATMEGA48A-MMH - 8-Bit AVR MCU, 4KB Flash, 20MHz | Microchip
ATMEGA48A-MMH ✓ 量产中Microchip Technology
ATMEGA88A-MMH - 8-bit AVR MCU 8KB Flash 20MHz VQFN-28 | Microchip
ATMEGA88A-MMH ✓ 量产中规格对比
| 参数 | ATMEGA48A-MMH | ATMEGA88A-MMH |
|---|---|---|
| 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） | $0.86 | $1.12 |
| Core Architecture | 8-bit AVR RISC | — |
| Flash Memory | 4KB (2K x 16) | — |
| EEPROM | 256B | — |
| SRAM | 512B | — |
| 最大时钟频率 | 20 MHz | 20 MHz |
| Supply Voltage Range | 4.5 V to 5.5 V (at 20 MHz) | — |
| Number of I/O | 23 | 23 general-purpose I/O lines |
| ADC Resolution | 10-bit | — |
| ADC Channels | 8 | — |
| Timers | 2 x 8-bit, 1 x 16-bit | Three flexible timer/counters with compare modes |
| Communication Interfaces | USART, SPI, TWI (I2C-compatible) | USART, SPI, 2-wire serial (I2C) |
| MIPS Throughput | Up to 20 MIPS at 20 MHz | — |
| 工作温度 | -40C to +85C (industrial) | — |
| 封装 | 28-VQFN (4x4 mm, 0.45 mm pitch) | 28-VQFN (4x4 mm) with exposed pad |
| 安装类型 | Surface Mount | Surface Mount |
| Package Height | 1 mm | — |
| Programming Interface | ISP (SPI), DebugWIRE | — |
| RoHS 状态 | Compliant (green package) | — |
| Core | — | AVR 8-bit RISC |
| Core Size | — | 8-bit |
| Program Memory Size | — | 8 KB (4K x 16) FLASH |
| Program Memory Type | — | ISP FLASH (read-while-write) |
| EEPROM Size | — | 512 B |
| SRAM Size | — | 1 KB |
| General Purpose Working Registers | — | 32 |
| Instruction Set | — | 130 powerful instructions, most single-cycle |
| Low Power Technology | — | picoPower |
| Life Cycle Stage | — | Active |
| Programming Method | — | In-System Programmable (ISP) |