ATTINY44-20SSU Atmel, ATTINY44-20SSU Datasheet - Page 203

• Manufacturer Part Number: ATTINY44-20SSU
• Description: IC MCU AVR 4K FLASH 20MHZ 14SOIC
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY44-20SSU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: USI
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 12
• 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 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 14-SOIC (3.9mm Width), 14-SOL
• Cpu Family: ATtiny
• Device Core: AVR
• Device Core Size: 8b
• Frequency (max): 20MHz
• Interface Type: SPI/USI
• Total Internal Ram Size: 256Byte
• # I/os (max): 12
• Number Of Timers - General Purpose: 2
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 2.7V
• On-chip Adc: 8-chx10-bit
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 14
• Package Type: SOIC
• For Use With: ATAVRISP2 - PROGRAMMER AVR IN SYSTEM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

21.9
8006K–AVR–10/10
BOD Threshold and Analog Comparator Offset
Figure 21-34. Reset Pin Input Hysteresis vs. V
Figure 21-35. BOD Threshold vs. Temperature (BODLEVEL is 4.3V)
4.34
4.32
4.28
4.26
4.24
4.22
4.18
4.16
4.14
4.3
4.2
-60
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
1
0
1.5
-40
2
BOD THRESHOLDS vs. TEMPERATURE
-20
2.5
RESET PIN AS I/O, INPUT HYSTERESIS vs. VCC
3
0
BODLEVEL is 4.3V
Temperature (C)
V
IL
, I/O PIN READ AS "0"
V
3.5
CC
CC
20
(V)
(Reset Pin Used as I/O)
4
40
4.5
60
Falling V cc
Rising V cc
ATtiny24/44/84
5
80
5.5
-40 °C
25 °C
85 °C
100
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