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 7738A–AVR–07/07 Electrical Characteristics Absolute Maximum Ratings* Operating Temperature.................................. -55°C to +150°C *NOTICE: Storage Temperature ..................................... -65°C to +175°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 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. Maximum Operating Voltage ............................................ 6.0V DC Current per I/O Pin ............................................... 30.0 mA DC Current VCC and GND Pins................................ 200.0 mA DC Characteristics TA = -40°C to 85°C, VCC = 1.8V to 3.6V (unless otherwise noted) Symbol Parameter Condition Min. VIL Input Low Voltage, except XTAL1 and RESET pin VCC = 1.8V - 3.6V VIH Input High Voltage, except XTAL1 and RESET pins VIL1 Max. Units -0.5 0.1VCC(1) V VCC = 1.8V - 3.6V 0.75VCC(2) VCC + 0.5 V Input Low Voltage, XTAL1 pin VCC = 1.8V - 3.6V -0.5 0.1VCC(1) V VIH1 Input High Voltage, XTAL1 pin VCC = 1.8V - 3.6V 0.9VCC(2) VCC + 0.5 V VIL2 Input Low Voltage, RESET pin VCC = 1.8V - 3.6V -0.5 0.1VCC(1) V VIH2 Input High Voltage, RESET pin VCC = 1.8V - 3.6V 0.9VCC(2) VCC + 0.5 V VIL3 Input Low Voltage, RESET pin as I/O VCC = 1.8V - 3.6V -0.5 0.1VCC(1) V VIH3 Input High Voltage, RESET pin as I/O VCC = 1.8V - 3.6V 0.6VCC(2) +0.7VCC V VOL Output Low Voltage(3), I/O pin except RESET IOL = 0.5mA, VCC = 1.8V 0.25 V VOH Output High Voltage(4), I/O pin except RESET IOH = -0.5mA, VCC = 1.8V IIL Input Leakage Current I/O Pin VCC = 3.6V, pin low (absolute value) 1 µA IIH Input Leakage Current I/O Pin VCC = 3.6V, pin high (absolute value) 1 µA RRST Reset Pull-up Resistor 30 60 kΩ RPU I/O Pin Pull-up Resistor 20 50 kΩ 2 Typ. 1.25 V ATmega88 Appendix B 7738A–AVR–07/07 ATmega88 Appendix B TA = -40°C to 85°C, VCC = 1.8V to 3.6V (unless otherwise noted) (Continued) Symbol Parameter Condition Typ. Max. Units Active 2MHz, VCC = 1.8V 0.8 1.2 mA Idle 2MHz, VCC = 1.8V 0.2 0.4 mA Power-down mode WDT disabled, VCC = 1.8V WDT enabled, VCC = 1.8V 0.2 4 18 24 µA VACIO Analog Comparator Input Offset Voltage VCC = 2.7V Vin = VCC/2 <10 40 mV IACLK Analog Comparator Input Leakage Current VCC = 2.7V Vin = VCC/2 50 nA tACPD Analog Comparator Propagation Delay VCC = 2.7V Power Supply Current(5) ICC Min. -50 500 ns 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 7738A–AVR–07/07 ADC Characteristics(6) Preliminary TA = -40°C to 85°C, VCC = 1.8V to 3.6V (unless otherwise noted) Symbol Parameter Condition Min Resolution 8 Units Bits 2 3.5 LSB VREF = 2.7V, VCC = 2.7V, ADC clock = 200 kHz Noise Reduction Mode 2 3.5 LSB Integral Non-Linearity (INL) VREF = 2.7V, VCC = 2.7V, ADC clock = 200 kHz 0.6 2.5 LSB Differential Non-Linearity (DNL) VREF = 2.7V, VCC = 2.7V, ADC clock = 200 kHz 0.30 1.0 LSB Gain Error VREF = 2.7V, VCC = 2.7V, ADC clock = 200 kHz -1.3 3.5 LSB Offset Error VREF = 2.7V, VCC = 2.7V, ADC clock = 200 kHz 1.8 3.5 LSB Conversion Time Free Running Conversion Clock Frequency AVCC Analog Supply Voltage VREF Reference Voltage Input Voltage -3.5 13 cycles µs 50 200 kHz VCC - 0.3 VCC + 0.3 V 1.0 AVCC V GND VREF-50mV V Input Bandwidth 38.5 kHz VINT Internal Voltage Reference 1.0 1.1 1.2 V RREF Reference Input Resistance 22.4 32 41.6 kΩ RAIN Analog Input Resistance Notes: 4 Max VREF = 2.7V, VCC = 2.7V, ADC clock = 200 kHz Absolute accuracy (Including INL, DNL, quantization error, gain and offset error) VIN Typ 100 MΩ 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. ATmega88 Appendix B 7738A–AVR–07/07 ATmega88 Appendix B Ordering Information Power Supply Speed (MHz) ISP Flash Ordering Code Package 1.8 - 3.6V 2-8 1.8 - 3.6V 2-8 Operation Range 8KB ATmega88V-15AT MA Automotive (-40°C to +85°C) 8KB ATmega88V-15MT PN Automotive (-40°C to +85°C) : Package Type MA 32-lead, Thin (1.0 mm) Plastic Quad Flat Package (TQFP) PN 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 7738A–AVR–07/07 Atmel Corporation 2325 Orchard Parkway San Jose, CA 95131, USA Tel: 1(408) 441-0311 Fax: 1(408) 487-2600 Regional Headquarters Europe Atmel Sarl Route des Arsenaux 41 Case Postale 80 CH-1705 Fribourg Switzerland Tel: (41) 26-426-5555 Fax: (41) 26-426-5500 As ia Room 1219 Chinachem Golden Plaza 77 Mody Road Tsimshatsui East Kowloon Hong Kong Tel: (852) 2721-9778 Fax: (852) 2722-1369 Japan 9F, Tonetsu Shinkawa Bldg. 1-24-8 Shinkawa Chuo-ku, Tokyo 104-0033 Japan Tel: (81) 3-3523-3551 Fax: (81) 3-3523-7581 Atmel Operations Me mory 2325 Orchard Parkway San Jose, CA 95131, USA Tel: 1(408) 441-0311 Fax: 1(408) 436-4314 RF/Automotive Theresienstrasse 2 Postfach 3535 74025 Heilbronn, Germany Tel: (49) 71-31-67-0 Fax: (49) 71-31-67-2340 Microcontrolle rs 2325 Orchard Parkway San Jose, CA 95131, USA Tel: 1(408) 441-0311 Fax: 1(408) 436-4314 La Chantrerie BP 70602 44306 Nantes Cedex 3, France Tel: (33) 2-40-18-18-18 Fax: (33) 2-40-18-19-60 AS IC/AS S P/S mart Cards 1150 East Cheyenne Mtn. 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