ATMEGA161-8AI Atmel, ATMEGA161-8AI Datasheet - Page 140

• Manufacturer Part Number: ATMEGA161-8AI
• Description: IC AVR MCU 16K 8MHZ IND 44-TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA161-8AI

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 35
• Program Memory Size: 16KB (8K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Data Converters: -
• Other names: ATMEGA1618AI

140
ATmega161(L)
Figure 91. Pull-up Resistor Current vs. Input Voltage
Figure 92. Pull-up Resistor Current vs. Input Voltage
120
100
30
25
20
15
10
80
60
40
20
0
5
0
0
0
0.5
0.5
PULL-UP RESISTOR CURRENT vs. INPUT VOLTAGE
PULL-UP RESISTOR CURRENT vs. INPUT VOLTAGE
T
1
A
T
= 85˚C
A
= 25˚C
T
T
A
1.5
A
= 85˚C
= 25˚C
1
2
V
V
CC
V
V
CC
1.5
OP
2.5
OP
= 2.7V
= 5V
(V)
(V)
3
2
3.5
4
2.5
1228D–AVR–02/07
4.5
3
5