Appendix B - ATtiny24V/ATtiny44V/ATtiny84V
Automotive Specification at 1.8V
This document contains information specific to devices operating at voltage between1.8V and 3.6V. Only deviations with standard operating characteristics are covered inthis appendix, all other information can be found in the complete Automotivedatasheet. The complete ATtiny24/ATtiny44/ATtiny84 automotive datasheet can befound on www.atmel.com
8-bit Microcontroller with 2/4/8K Bytes In-SystemProgrammable FlashATtiny24VATtiny44VATtiny84VAppendix BPreliminary 7819A–AVR–01/091.Electrical Characteristics
1.1
Absolute Maximum Ratings
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.Parameters
Operating temperatureStorage temperature
Voltage on any pin except RESET with respect to groundMaximum operating voltageDC current per I/O pinDC current VCC and GND pins
Value–40 to +85–65 to +175–0.5 to VCC + 0.5
6.030.0200.0
Unit°C°CVVmAmA
1.2DC Characteristics
Parameters
Condition
Min.–0.50.7VCC(2)–0.50.9VCC(2)–0.50.9VCC(2)
Typ.
Max.+0.2VCC(1)VCC + 0.5+0.2VCC(1)VCC + 0.5+0.2VCC(1)VCC + 0.50.2
1.2
0.80.20.24<10
–50
2.50.5243040+50
UnitVVVVVVVVmAmAµAmVnA
TA = –40°C to +85°C, VCC = 1.8V to 3.6V (unless otherwise noted)SymbolVILVIHVIL1VIH1VIL2VIH2VOLVOH
Input low voltage, except XTAL1 and
VCC = 1.8V to 3.6V
RESET pinInput high voltage, except XTAL1 and RESET pinsInput low voltage, XTAL1 pinInput high voltage, XTAL1 pinInput low voltage, RESET pinInput high voltage, RESET pinOutput low voltage(3), I/O pin except RESETOutput high voltage(4), I/O pin except RESETPower supply current
ICC
Power-down mode
VACIOIACLKNotes:
Analog comparator Input offset voltageAnalog comparator Input leakage current
VCC = 1.8V to 3.6VVCC = 1.8V to 3.6VVCC = 1.8V to 3.6VVCC = 1.8V to 3.6VVCC = 1.8V to 3.6VIOL = 2mA, VCC = 1.8VIOH = –2mA, VCC = 1.8VActive 4MHz, VCC = 3VIdle 4MHz, VCC = 3VWDT disabled, VCC = 3VWDT enabled, VCC = 3VVCC = 2.7VVin = VCC/2VCC = 2.7VVin = VCC/2
1.“Max” means the highest value where the pin is guaranteed to be read as low2.“Min” means the lowest value where the pin is guaranteed to be read as high
3.Although each I/O port can sink more than the test conditions (2mA at VCC = 1.8V) under steady state conditions (nontran-sient), the following must be observed: (1) The sum of all IOL, for all ports, should not exceed 50mA. If IOL exceeds the test condition, VOL may exceed the related specification. Pins are not guaranteed to sink current greater than the listed test condition. 4.Although each I/O port can source more than the test conditions (0.5mA at VCC = 1.8V) under steady state conditions
(nontransient), the following must be observed: (1) The sum of all IOL, for ports B0 to B5, should not exceed 50mA. If IOL exceeds the test condition, VOL may exceed the related specification. Pins are not guaranteed to sink current greater than the listed test condition.
2
ATtiny24V/ATtiny44V/ATtiny84V[Preliminary]
7819A–AVR–01/09
ATtiny24V/ATtiny44V/ATtiny84V[Preliminary]
1.3
Maximum Speed versus VCC
Maximum frequency is dependent on VCC. As shown in Figure 1-1, the Maximum Frequency vs.VCC curve is linear between 1.8V < VCC < 3.6V.Figure 1-1.
Maximum Frequency versus VCC
8 MHz4 MHzSafe Operating Area1.8V2.7V3.6V1.4Clock Characterizations
Calibration Accuracy of Internal RC Oscillator
Frequency
User Calibration
7.3 MHz to 8.1 MHz
VCC 1.8V to 3.6V
Temperature Accuracy–40°C to +85°C
±25%
Table 1-1.
3
7819A–AVR–01/09
1.5ADC Characteristics
Symbol
ParametersResolution
Absolute accuracy (Including INL, DNL, quantization error, gain and offset error)
Test ConditionsSingle ended conversionVCC = 1.8V, VRef = 1.8V, ADCclock=200kHzVCC = 1.8V, VRef = 1.8V, ADCclock=200kHzNoise Reduction ModeVCC = 1.8V, VRef = 1.8V, ADCclock=200kHzVCC = 1.8V, VRef = 1.8V, ADCclock=200kHzVCC = 1.8V, VRef = 1.8V, ADCclock=200kHzVCC = 1.8V, VRef = 1.8V, ADCclock=200kHz
–7.0–3.51.8Min.
Typ.10220.50.2–3.0+1.5
4.04.01.50.7+5.0+3.5AVCCMax.
UnitBitsLSBLSBLSBLSBLSBLSBV
TA = –40°C to +85°C, VCC = 1.8V to 3.6V (unless otherwise noted)
Integral Non-Linearity (INL)Differential Non-Linearity (DNL)Gain errorOffset error
VREF
Reference voltage
1.6ADC Characteristics
Symbol
ParametersResolution
Absolute accuracy (Including INL, DNL, quantization error, gain and offset error)
Integral Non-Linearity (INL)
Test Conditions
Differential conversion, gain = 1xBIPOLAR mode only
Gain = 1x, VCC = 1.8V, VRef=1.3V, ADCclock=125kHzGain = 1x, VCC = 1.8V, VRef = 1.3V,
ADC clock = 125kHzGain = 1x, VCC = 1.8V,VRef = 1.3V,
ADC clock = 125kHzGain = 1x, VCC = 1.8V,VRef = 1.3V,
ADC clock = 125kHzGain = 1x, VCC = 1.8V.VRef = 1.3V,
ADC clock = 125kHz
–7.0Min.
Typ.81.6
5.0Max.
UnitBitsLSB
TA = –40°C to +85°C, VCC = 1.8V to 3.6V (unless otherwise noted)
0.72.5LSB
Differential Non-Linearity (DNL)0.31.0LSB
Gain Error+1.50+7.0LSB
Offset Error
VREF
Reference Voltage
–4.01.30
0.0+4.0AVCC – 0.5
LSBV
4
ATtiny24V/ATtiny44V/ATtiny84V[Preliminary]
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ATtiny24V/ATtiny44V/ATtiny84V[Preliminary]
2.Ordering Information
Power Supply1.8V to 3.6V1.8V to 3.6V1.8V to 3.6V1.8V to 3.6V1.8V to 3.6V
Speed (MHz)
4-84-84-84-84-8
ISP Flash2KB2KB4KB4KB8KB
Ordering CodeATtiny24V-15SSTATtiny24V-15MTATtiny44V-15SSTATtiny44V-15MTATtiny84V-15MT
PackageTUPNTUPNPN
Operation RangeAutomotive (–40°C to +85°C)Automotive (–40°C to +85°C)Automotive (–40°C to +85°C)Automotive (–40°C to +85°C)Automotive (–40°C to +85°C)
3.Package Information
Table 3-1.
Package Types
Description
TU 14-Lead, 0.150” Body Width
Plastic Gull Wing Small Outline Package (SOIC)PN 32-Lead, 5.0 x 5.0 mm Body, 0.50 mm PitchQuad Flat No Lead ackage (QFN)
Package Type
TUPN
5
7819A–AVR–01/09
Figure 3-1.TU 6
ATtiny24V/ATtiny44V/ATtiny84V[Preliminary]
7819A–AVR–01/09
ATtiny24V/ATtiny44V/ATtiny84V[Preliminary]
Figure 3-2.PN 7819A–AVR–01/09
7
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7819A–AVR–01/09
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