ATTINY44-20SSU Atmel, ATTINY44-20SSU Datasheet - Page 180

• 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

20.7
Table 20-9.
Note:
180
Symbol
V
A
V
R
R
IN
REF
INT
REF
AIN
ADC Characteristics
1. Values are guidelines only.
ATtiny24/44/84
Parameter
Resolution
Absolute accuracy
(Including INL, DNL, and
Quantization, Gain and Offset
Errors)
Integral Non-Linearity (INL)
(Accuracy after Offset and
Gain Calibration)
Differential Non-linearity
(DNL)
Gain Error
Offset Error
Conversion Time
Clock Frequency
Input Voltage
Input Bandwidth
External Voltage Reference
Internal Voltage Reference
Reference Input Resistance
Analog Input Resistance
ADC Conversion Output
ADC Characteristics, Single Ended Channels. T = -40°C to +85°C
Condition
V
ADC clock = 200 kHz
V
ADC clock = 1 MHz
V
ADC clock = 200 kHz
Noise Reduction Mode
V
ADC clock = 1 MHz
Noise Reduction Mode
V
ADC clock = 200 kHz
V
ADC clock = 200 kHz
V
ADC clock = 200 kHz
V
ADC clock = 200 kHz
Free Running Conversion
REF
REF
REF
REF
REF
REF
REF
REF
= 4V, V
= 4V, V
= 4V, V
= 4V, V
= 4V, V
= 4V, V
= 4V, V
= 4V, V
CC
CC
CC
CC
CC
CC
CC
CC
= 4V,
= 4V,
= 4V,
= 4V,
= 4V,
= 4V,
= 4V,
= 4V,
Min
GND
2.0
1.0
14
50
0
(1)
Typ
38.4
100
2.0
2.5
1.5
2.0
1.0
0.5
2.0
1.5
1.1
32
(1)
Max
1000
V
1023
V
280
1.2
10
REF
CC
(1)
8006K–AVR–10/10
Units
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
Bits
kHz
kHz
MΩ
kΩ
µs
V
V
V