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Appendix B - ATmega88 Automotive Specification at 1.8V
This document contains information specific to devices operating at voltage between 1.8V and 3.6V. Only deviations with standard operating characteristics are covered in this appendix, all other information can be found in the complete Automotive datasheet. The complete ATmega88 automotive datasheet can be found on www.atmel.com
8-bit Microcontroller with 8K Bytes In-System Programmable Flash ATmega88 Appendix B Preliminary
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Electrical Characteristics
Absolute Maximum Ratings*
Operating Temperature.................................. -55C to +150 C Storage Temperature ..................................... -65 to +175 C C Voltage on any Pin except RESET with respect to Ground ................................-0.5V to VCC+0.5V Voltage on RESET with respect to Ground......-0.5V to +13.0V Maximum Operating Voltage ............................................ 6.0V DC Current per I/O Pin ............................................... 30.0 mA DC Current VCC and GND Pins................................ 200.0 mA *NOTICE: 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 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.
DC Characteristics
TA = -40C to 85C, VCC = 1.8V to 3.6V (unless otherwise noted)
Symbol VIL Parameter Input Low Voltage, except XTAL1 and RESET pin Input High Voltage, except XTAL1 and RESET pins Input Low Voltage, XTAL1 pin Input High Voltage, XTAL1 pin Input Low Voltage, RESET pin Input High Voltage, RESET pin Input Low Voltage, RESET pin as I/O Input High Voltage, RESET pin as I/O Output Low Voltage(3), I/O pin except RESET Output High Voltage(4), I/O pin except RESET Input Leakage Current I/O Pin Input Leakage Current I/O Pin Reset Pull-up Resistor I/O Pin Pull-up Resistor Condition VCC = 1.8V - 3.6V Min. -0.5 Typ. Max. 0.1VCC(1) Units V
VIH
VCC = 1.8V - 3.6V
0.75VCC(2)
VCC + 0.5 0.1VCC(1) VCC + 0.5 0.1VCC(1) VCC + 0.5 0.1VCC(1) +0.7VCC 0.25
V
VIL1 VIH1 VIL2 VIH2 VIL3 VIH3 VOL VOH IIL IIH RRST RPU
VCC = 1.8V - 3.6V VCC = 1.8V - 3.6V VCC = 1.8V - 3.6V VCC = 1.8V - 3.6V VCC = 1.8V - 3.6V VCC = 1.8V - 3.6V IOL = 0.5mA, VCC = 1.8V IOH = -0.5mA, VCC = 1.8V VCC = 3.6V, pin low (absolute value) VCC = 3.6V, pin high (absolute value)
-0.5 0.9VCC(2) -0.5 0.9VCC(2) -0.5 0.6VCC(2)
V V V V V V V V
1.25 1 1 30 20 60 50
A A k k
2
ATmega88 Appendix B
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ATmega88 Appendix B
TA = -40C to 85C, VCC = 1.8V to 3.6V (unless otherwise noted) (Continued)
Symbol Parameter Power Supply Current(5) ICC Power-down mode Analog Comparator Input Offset Voltage Analog Comparator Input Leakage Current Analog Comparator Propagation Delay Condition Active 2MHz, VCC = 1.8V Idle 2MHz, VCC = 1.8V WDT disabled, VCC = 1.8V WDT enabled, VCC = 1.8V VCC = 2.7V Vin = VCC/2 VCC = 2.7V Vin = VCC/2 VCC = 2.7V -50 500 Min. Typ. 0.8 0.2 0.2 4 <10 Max. 1.2 0.4 18 24 40 50 Units mA mA A mV nA ns
VACIO IACLK tACPD
Maximum Speed vs. VCC
Maximum frequency is dependent on VCC. As shown in Figure 1, the Maximum Frequency vs. VCC curve is linear between 1.8V < VCC < 3.6V. Figure 1. Maximum Frequency vs. VCC
8 MHz
2 MHz
Safe Operating Area
1.8V
2.7V
3.6V
3
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ADC Characteristics(6) Preliminary
TA = -40C to 85C, VCC = 1.8V to 3.6V (unless otherwise noted)
Symbol Parameter Resolution Absolute accuracy (Including INL, DNL, quantization error, gain and offset error) Integral Non-Linearity (INL) Differential Non-Linearity (DNL) Gain Error Offset Error Conversion Time Clock Frequency VREF = 2.7V, VCC = 2.7V, ADC clock = 200 kHz VREF = 2.7V, VCC = 2.7V, ADC clock = 200 kHz Noise Reduction Mode VREF = 2.7V, VCC = 2.7V, ADC clock = 200 kHz VREF = 2.7V, VCC = 2.7V, ADC clock = 200 kHz VREF = 2.7V, VCC = 2.7V, ADC clock = 200 kHz VREF = 2.7V, VCC = 2.7V, ADC clock = 200 kHz Free Running Conversion 13 cycles 50 VCC - 0.3 1.0 GND 38.5 1.0 22.4 1.1 32 100 1.2 41.6 200 VCC + 0.3 -3.5 Condition Min Typ 8 2 3.5 Max Units Bits LSB
2
3.5
LSB
0.6 0.30 -1.3 1.8
2.5 1.0 3.5 3.5
LSB LSB LSB LSB s kHz V V V kHz V k M
AVCC
VREF VIN
Analog Supply Voltage Reference Voltage Input Voltage Input Bandwidth
AVCC
VREF-50mV
VINT RREF RAIN Notes:
Internal Voltage Reference Reference Input Resistance Analog Input Resistance
1. "Max" means the highest value where the pin is guaranteed to be read as low 2. "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 (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 - B5, should not exceed 50 mA. 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 IOH, for ports B0 - B5 should not exceed 50 mA. If IOH exceeds the test condition, VOH may exceed the related specification. Pins are not guaranteed to source current greater than the listed test condition. 5. Minimum VCC for Power-down is 2.5V. 6. Based on standard voltage range (2.7V - 5.5V) characterization results. To be confirmed after actual silicon characterization.
4
ATmega88 Appendix B
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ATmega88 Appendix B
Ordering Information
Power Supply 1.8 - 3.6V 1.8 - 3.6V Speed (MHz) 2-8 2-8 ISP Flash 8KB 8KB Ordering Code ATmega88V-15AT ATmega88V-15MT Package MA PN Operation Range Automotive (-40 to +85 C C) Automotive (-40 to +85 C C)
:
Package Type MA PN 32-lead, Thin (1.0 mm) Plastic Quad Flat Package (TQFP) 32-pad, 5 x 5 x 1.0 body, Lead Pitch 0.50 mm Quad Flat No Lead (QFN): E2/D2 3.1 +/- 0.1mm
5
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7738A-AVR-07/07

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