关键参数速览
- 电源电压 VCC
- 40
产品特点 Features
- High-performance, Low-power AVR® 8-bit Microcontroller
- Advanced RISC Architecture
- 130 Powerful Instructions – Most Single Clock Cycle Execution
- 32 x 8 General Purpose Working Registers + Peripheral Control Registers
- Fully Static Operation
- Up to 16 MIPS Throughput at 16 MHz
- On-chip 2-cycle Multiplier
- High Endurance Non-volatile Memory segments
- 64K Bytes of In-System Reprogrammable Flash program memory
- 8-bit
- 2K Bytes EEPROM
- 4K Bytes Internal SRAM
- Write/Erase Cycles: 10,000 Flash/100,000 EEPROM Microcontroller
- Data retention: 20 years at 85°C/100 years at 25°C(1)
- Optional Boot Code Section with Independent Lock Bits with 64K Bytes
- In-System Programming by On-chip Boot Program
绝对最大额定值 Absolute Maximum Ratings（TA = 25°C）
超过下表数值可能造成器件永久损坏，设计时请留余量。
| +150°C | age | to | the | 器件 | This | is | a | stress | 额定值 | only | and |
|---|---|---|---|---|---|---|---|---|---|---|---|
| +125⋅C | *NOTICE: | Stresses | beyond | those | listed | under | “Absolute | ||||
| functional | operation | of | the | device | at these | or | |||||
| other | conditions | beyond | those | indicated | in | the | |||||
| +0.5V | operational | sections | of | this | specification | is not | |||||
| -0.5 | 0.2 | V | (1) | V | |||||||
| 0.6 V (2) | V | + | 0.5 | V | |||||||
| -0.5 | 0.1 | V | (1) | V | |||||||
| 0.7 V (2) | V | + | 0.5 | V | |||||||
| -0.5 | 0.2 | V | (1) | V | |||||||
| 0.85 V (2) | V | + | 0.5 | V | |||||||
| V = 5V | 0.9 | V | |||||||||
| V = 3V | 0.6 | V | |||||||||
| V = 5V | 4.2 | V | |||||||||
| V = 3V | 2.2 | V | |||||||||
| 30 | 60 | kΩ | |||||||||
| 30 | 60 | kΩ | |||||||||
| 20 | 50 | kΩ |
数据来源：原厂规格书
电气特性 Electrical Characteristics（TA = 25°C）
| 符号 | 参数 | 条件 | 最小 | 典型 | 最大 | 单位 |
|---|---|---|---|---|---|---|
| ATmega64A | ||||||
| T = -40⋅C | to 85⋅C, V = 2.7V | to 5.5V (unless otherwise | noted) (Continued) | |||
| Active 4 MHz, V = | 3V | 2.5 | 5 | mA | ||
| Active 8 MHz, V = | 5V | 8.1 | 20 | mA | ||
| Idle 4 MHz, V = 3V | 0.7 | 2 | mA | |||
| Idle 8 MHz, V = 5V | 2.8 | 12 | mA | |||
| WDT enabled, V = | 3V | < 10 | 20 | µA | ||
| WDT disabled, V | = 3V | < 4 | 10 | µA | ||
| V | CC | -40 | 40 | mV | ||
| I | CC | -50 | 50 | nA | ||
| Analog Comparator | V = 2.7V | 750 | ||||
| t | CC | ns | ||||
| ACPD | Propagation Delay | V = 4.0V | 500 | ATmega64A | ||
| R [kΩ](1) | C [pF] | f(2) | ||||
| V | 0.2 V | 0.85 V | V | |||
| RST | Voltage | CC | CC | |||
| t | 1.5 | µs | ||||
| Brown-out Reset Threshold | BODLEVEL = 1 | 2.5 | 2.7 | 2.9 | ||
| V | Voltage(2) | V | ||||
| BODLEVEL = 0 | 3.6 | 4.0 | 4.2 | |||
| Minimum low voltage | period BODLEVEL = 1 | 2 | µs | |||
| BODLEVEL = 0 | 2 | µs | ||||
| V | 120 | mV | ||||
| V | Bandgap reference | voltage | 1.15 | 1.23 | 1.35 | V |
| t | 40 | 70 | µs | |||
| I | 10 | µA | ||||
| antees that a Brown-out | Reset will occur before V | drops to a | voltage | where correct |
特性曲线（Typical Performance Curves）
订货信息与供货形式
| 封装 | 型号 |
|---|---|
| ATmega64A-AU | 64A Industrial |
| ATmega64A-MU Package | 64M1 (-40°C to 85°C) Type |
应用领域 Applications
产品应用与封装尺寸
图纸取自该型号原厂规格书的应用电路与封装尺寸章节，点击图片可放大查看原始尺寸标注。