ATTINY45-20PU Atmel, ATTINY45-20PU Datasheet - Page 197

• Manufacturer Part Number: ATTINY45-20PU
• Description: IC AVR MCU 4K 20MHZ 8DIP
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY45-20PU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: USI
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 6
• Program Memory Size: 4KB (2K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-DIP (0.300", 7.62mm)
• Processor Series: ATTINY4x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: USI
• Maximum Clock Frequency: 10 MHz
• Number Of Programmable I/os: 6
• Number Of Timers: 2
• Operating Supply Voltage: 2.7 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 4 Channel
• Package: 8PDIP
• Device Core: AVR
• Family Name: ATtiny
• Maximum Speed: 20 MHz
• For Use With: ATSTK600-DIP40 - STK600 SOCKET/ADAPTER 40-PDIPATAVRBC100 - REF DESIGN KIT BATTERY CHARGER770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRDRAGON - KIT DRAGON 32KB FLASH MEM AVRATAVRISP2 - PROGRAMMER AVR IN SYSTEMATJTAGICE2 - AVR ON-CHIP D-BUG SYSTEM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

22.9
2586M–AVR–07/10
Internal Oscillator Speed
Figure 22-38. Watchdog Oscillator Frequency vs. V
Figure 22-39. Watchdog Oscillator Frequency vs. Temperature
0,128
0,126
0,124
0,122
0,118
0,116
0,114
0,112
0,12
0,118
0,116
0,114
0,112
0,108
0,12
0,11
2
-40
-30
2,5
WATCHDOG OSCILLATOR FREQUENCY vs. V
-20
WATCHDOG OSCILLATOR FREQUENCY vs. TEMPERATURE
-10
3
0
10
3,5
20
Temperature
V
CC
30
(V)
40
CC
4
50
60
4,5
70
80
CC
5
90
100
5.5 V
1.8 V
2.7 V
3.3 V
4.0 V
5,5
-40 ˚C
25 ˚C
85 ˚C
197