产品实拍图
本页为博科信现货实拍（器件丝印 见规格书）。图片已加防盗水印，需要最新批次照片或未加水印原图请联系销售；点击图片可放大。
产品应用与封装尺寸
图纸取自原厂规格书，点击可放大查看原始尺寸标注。
引脚定义与内部结构
| 引脚 | 符号 | 名称 |
|---|---|---|
| 32 | TQFP Top View | |
| 28 | MLF Top View |
数据来源：原厂规格书引脚图
关键参数速览
- 电源电压 VCC
- 40
- 工作温度 TA
- 5V
产品特点 Features
- High Performance, Low Power AVR 8-Bit Microcontroller Family
- Advanced RISC Architecture
- ̶ 131 Powerful Instructions – Most Single Clock Cycle Execution
- ̶ 32 x 8 General Purpose Working Registers
- ̶ Fully Static Operation
- ̶ Up to 20 MIPS Throughput at 20MHz
- ̶ On-chip 2-cycle Multiplier
- High Endurance Non-volatile Memory Segments
- ̶ 4/8/16/32KBytes of In-System Self-Programmable Flash program memory
- ̶ 256/512/512/1KBytes EEPROM
- ̶ 512/1K/1K/2KBytes Internal SRAM
- ̶ Write/Erase Cycles: 10,000 Flash/100,000 EEPROM
- ̶ Data retention: 20 years at 85°C/100 years at 25°C(1)
- ̶ Optional Boot Code Section with Independent Lock Bits
- In-System Programming by On-chip Boot Program
- True Read-While-Write Operation
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。
| age | to | the | 器件 | This | is | a | stress | 额定值 | only | and |
|---|---|---|---|---|---|---|---|---|---|---|
| Stresses | beyond | those | listed | under | “Absolute | |||||
| functional | operation | of | the | device | at these | or | ||||
| other | conditions | beyond | those | indicated | in | the | ||||
| operational | sections | of | this | specification | is not | |||||
| conditions | for | extended | periods | may | affect | |||||
| to | 5.5V | (unless | otherwise | noted) |
数据来源：原厂规格书
电气特性 Electrical Characteristics（TA = 25°C）
| • | Electrical | 特性 | Identical | to | Real | 器件 |
|---|---|---|---|---|---|---|
| ATmega48A/PA/88A/PA/168A/PA/328/P T =85C 4.2 | ||||||
| I = -20mA, V = | A | |||||
| Output High Voltage(3) | 5V | T A =105C 4.1 | ||||
| OH | except Reset pin | T =85C 2.3 | ||||
| I = -10mA, V = | A | |||||
| 3V | T =105C 2.1 | V | ||||
| I | CC | 1 | µA | |||
| I | CC | 1 | µA | |||
| R | Reset Pull-up Resistor | 30 | 60 | k | ||
| R | I/O Pin Pull-up Resistor | 20 | 50 | k | ||
| V | CC | <10 | 40 | mV | ||
| I | CC | -50 | 50 | nA | ||
| Analog Comparator | V = 2.7V | 750 | ||||
| t | CC | ns | ||||
| ACID | Propagation Delay | V = 4.0V | 500 | |||
| ATmega48A/PA/88A/PA/168A/PA/328/P | ||||||
| 30.2.1 | ATmega48PA DC | Characteristics – Current | Consumption | |||
| Active 1MHz, V = 2V | 0.22 | 0.55 | ||||
| Active 4MHz, V = 3V | 1.15 | 2.65 | ||||
| Active 8MHz, V = 5V | 4.1 | 9.5 | ||||
| Power Supply Current(1) | mA | |||||
| Idle 1MHz, V = 2V | 0.024 | 0.16 | ||||
| Idle 4MHz, V = 3V | 0.2 | 0.75 | ||||
| Idle 8MHz, V = 5V | 0.78 | 2.8 | ||||
| 32kHz TOSC enabled, V | = 1.8V | 0.75 | ||||
| 32kHz TOSC enabled, V | = 3V | 0.9 | ||||
| WDT enabled, V = 3V | 3.9 | 10 | ||||
| WDT disabled, V = 3V | 0.1 | 5 | ||||
| 30.2.2 | ATmega88PA DC | Characteristics – Current | Consumption | |||
| Active 1MHz, V = 2V | 0.2 | 0.6 | ||||
| Active 4MHz, V = 3V | 1.2 | 2.75 | ||||
| Active 8MHz, V = 5V | 4.1 | 10 | ||||
| Power Supply Current(1) | mA | |||||
| Idle 1MHz, V = 2V | 0.03 | 0.17 | ||||
| Idle 4MHz, V = 3V | 0.18 | 0.8 | ||||
| Idle 8MHz, V = 5V | 0.8 | 3 | ||||
| 32kHz TOSC enabled, | V = 1.8V | 0.8 | ||||
| 32kHz TOSC enabled, | V = 3V | 0.9 | ||||
| WDT enabled, V = 3V | 3.9 | 10 | ||||
| WDT disabled, V = 3V | 0.1 | 5 | ||||
| ATmega48A/PA/88A/PA/168A/PA/328/P | ||||||
| 30.2.3 | ATmega168PA DC | Characteristics – Current | Consumption | |||
| Active 1MHz, V = 2V | 0.3 | 0.6 | ||||
| Active 4MHz, V = 3V | 1.8 | 2.75 | ||||
| Active 8MHz, V = 5V | 6.7 | 10 | ||||
| Power Supply Current(1) | mA | |||||
| Idle 1MHz, V = 2V | 0.06 | 0.2 | ||||
| Idle 4MHz, V = 3V | 0.4 | 0.8 | ||||
| Idle 8MHz, V = 5V | 1.7 | 3 | ||||
| 32kHz TOSC enabled, V | = 1.8V | 0.8 | ||||
| 32kHz TOSC enabled, V | = 3V | 0.9 | ||||
| WDT enabled, V = 3V | 4.6 | 10 | ||||
| WDT disabled, V = 3V | 0.1 | 5 | ||||
| 30.2.4 | ATmega328P DC | Characteristics – Current | Consumption | |||
| Active 1MHz, V = 2V | 0.3 | 0.5 | ||||
| Active 4MHz, V = 3V | 1.7 | 2.5 | ||||
| Active 8MHz, V = 5V | 5.2 | 9.0 | ||||
| Power Supply Current(1) | mA | |||||
| Idle 1MHz, V = 2V | 0.04 | 0.15 | ||||
| Idle 4MHz, V = 3V | 0.3 | 0.7 | ||||
| Idle 8MHz, V = 5V | 1.2 | 2.7 | ||||
| 32kHz TOSC enabled, V | = 1.8V | 0.8 | ||||
| 32kHz TOSC enabled, V | = 3V | 0.9 | ||||
| WDT enabled, V = 3V | 4.2 | 10 | ||||
| WDT disabled, V = 3V | 0.1 | 5 |
特性曲线（Typical Performance Curves）
