Operating Temperature Range
:
Data Bus Width
: 8 bit
On-Chip ADC
: Yes
Maximum Clock Frequency
: 20 MHz
Mounting Style
: SMD/SMT
Operating Supply Voltage
: 2.7 V to 5.5 V
Core
: AVR
Program Memory Size
: 16 KB
Data RAM Size
: 1 KB
Processor Series
: ATMEGA16x
Package / Case
: TQFP-32
DescriptionThe ATMEGA168-20AU is one member of the ATMEGA168 family which is designed as the low-power CMOS 8-bit microcontroller that provides the following features:(1)on-chip analog comparator;(2)programmable watchdog timer with separate on-chip oscillator;(3)8K bytes of in-system self-programmable flash program memory;(4)external and internal interrupt sources;(5)23 programmable I/O lines;(6)fully static operation;(7)130 powerful instructions-most single-clock cycle execution;(8)data retention: 20 years at 85°C/100 years at 25°C;(9)five sleep modes: idle, ADC noise reduction, power-save, power-down, and standby;(10)high-performance, low-power AVR 8-bit microcontroller.
The absolute maximum ratings of the ATMEGA168-20AU can be summarized as:(1)operating temperature:-55°C to +125°C;(2)storage temperature:-65°C to +150°C;(3)voltage on any pin except RESET with respect to ground:-0.5V to Vcc+0.5V;(4)voltage on RESET with respect to ground:-0.5V to +13.0V;(5)maximum operating voltage:6.0 V;(6)DC current per I/O pin:40.0 mA;(7)DC current Vcc and GND pins:200.0 mA.
The external clock drive of the ATMEGA168-20AU can be summarized as:(1)oscillator frequency:0 to 20 MHz;(2)clock period:250 or 100 ns;(3)high time:100 or 40 ns;(4)low time:50 or 25 ns;(5)rise time:2.0 or 1.6 us;(6)change in period from one clock cycle to the next:2%. If you want to know more information such as the electrical characteristics about the ATMEGA168-20AU, please download the datasheet in www.seekic.com or www.chinaicmart.com .
Parameters: | Technical/Catalog Information | ATMEGA168-20AU |
| Vendor | Atmel |
| Category | Integrated Circuits (ICs) |
| Program Memory Size | 16K x 8 |
| RAM Size | 1K x 8 |
| Number of I /O | 23 |
| Package / Case | 32-TQFP |
| Speed | 20MHz |
| Controller Series | ATmega |
| Oscillator Type | Internal |
| Packaging | Tray |
| Program Memory Type | FLASH |
| EEPROM Size | 512 x 8 |
| Core Processor | AVR |
| Data Converters | A/D 8x10b |
| Core Size | 8-Bit |
| Operating Temperature | -40°C ~ 85°C |
| Connectivity | I²C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Voltage - Supply (Vcc/Vdd) | 2.7 V ~ 5.5 V |
| Lead Free Status | Lead Free |
| RoHS Status | RoHS Compliant |
| Other Names | ATMEGA168 20AU
ATMEGA16820AU
|
ATmega168-20AU Data Sheet
