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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 5.5V. 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 Automotive Appendix B
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1. 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 Temperature Storage Temperature Voltage on any Pin except RESET with respect to Ground Voltage on RESET with respect to Ground Maximum Operating Voltage DC Current per I/O Pin DC Current VCC and GND Test Conditions -55 to +150 -65 to +175 -0.5 to VCC+0.5 -0.5 to +13.0 6.0 30 200.0 Unit C C V V V mA
1.2
DC Characteristics
Test Conditions VCC = 1.8V to 5.5V VCC = 1.8V to 5.5V VCC = 1.8V to 5.5V VCC = 1.8V to 5.5V VCC = 1.8V to 5.5V VCC = 1.8V to 5.5V VCC = 1.8V to 5.5V VCC = 1.8V to 5.5V Symbol VIL VIH VIL1 VIH1 VIL2 VIH2 VIL3 VIH3 Min. -0.5 0.75VCC(2) -0.5 0.9VCC(2) -0.5 0.9VCC(2) -0.5 0.6VCC(2) Typ. Max. 0.1VCC(1) VCC + 0.5 +0.1VCC(1) VCC + 0.5 +0.1VCC(1) VCC + 0.5 +0.1VCC(1) 0.7VCC Unit V V V V V V V V
TA = -40C to +85C, VCC = 1.8V to 5.5V (unless otherwise noted) Parameters 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 Notes:
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 (0.5 mA at VCC = 1.8V) under steady state conditions (non-transient), 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 (0.5 mA at VCC = 1.8V) under steady state conditions (non-transient), 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.
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ATmega88 Automotive
1.2 DC Characteristics (Continued)
Test Conditions
(3)
TA = -40C to +85C, VCC = 1.8V to 5.5V (unless otherwise noted) (Continued) Parameters Output Low Voltage , 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 Power Supply Current(5) Power-down mode Analog Comparator Input Offset Voltage Analog Comparator Input Leakage Current Analog Comparator Propagation Delay Notes: Active 2 MHz, VCC = 1.8V Idle 2 MHz, 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 ICC Symbol VOL VOH IIL IIH RRST RPU 30 20 0.8 0.2 0.2 4 <10 -50 500 1.25 1 1 60 50 1.2 0.4 18 24 40 +50 Min. Typ. Max. 0.25 Unit V V A A k k mA mA A mV nA ns
IOL = 0.5 mA, VCC = 1.8V IOH = -0.5 mA, VCC = 1.8V VCC = 5.5V, pin low (absolute value) VCC = 5.5V, pin high (absolute value)
VACIO IACLK tACPD
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 (0.5 mA at VCC = 1.8V) under steady state conditions (non-transient), 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 (0.5 mA at VCC = 1.8V) under steady state conditions (non-transient), 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.
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1.3
Maximum Speed versus VCC
Maximum frequency is dependent on VCC. Figure 1-1. Maximum Frequency versus VCC
8 MHz
2 MHz
Safe Operating Area
1.8V
2.7V
5.5V
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ATmega88 Automotive
1.4 ADC Characteristics
Test Conditions -40C to +85C 1.8V to 2.7V ADC clock = 125 kHz -40C to +85C 2.7V to 5.5V ADC clock = 200 kHz VCC = 1.8V, VRef = 1.8V VCC = 4.0V, VRef = 4.0V VCC = 1.8V, VRef = 1.8V VCC = 4.0V, VRef = 4.0V VCC = 1.8V, VRef = 1.8V VCC = 4.0V, VRef = 4.0V TUE INL DNL -3.5 -3.5 VCC = 1.8V to 2.7V VCC = 2.7V to 5.5V AVCC VREF VIN VINT RREF RAIN 50 50 VCC - 0.3 1.0 GND 38.5 1.0 22.4 1.1 32 100 1.2 41.6 Symbol Min Typ 10 Max Unit Bits
TA = -40C to +85C, VCC = 1.8V to 5.5V (unless otherwise noted) Parameters
Resolution
10 2.2 2.1 0.6 0.5 0.4 0.3 -1.5 2.0 3.5 3.5 2.0 1.5 1.0 0.7 3.5 3.5 125 200 VCC + 0.3 AVCC VREF - 50mV
Bits LSB LSB LSB LSB LSB LSB LSB LSB kHz kHz V V V kHz V k M
Absolute accuracy Integral Non Linearity Differential Non Linearity Gain error Offset error Clock frequency Analog Supply Voltage Reference Voltage Input Voltage Input Bandwidth Internal Voltage Reference Reference Input Resistance Analog Input Resistance
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2. Ordering Information
Table 2-1.
2-8 2-8
ATmega88
Ordering Code ATmega88V-15MT ATmega88V-15AT Package PN MA Operation Range Automotive (-40C to +85C) Automotive (-40C to +85C) 1.8V to 5.5V 1.8V to 5.5V 8 KB 8 KB
Speed (MHz) Power Supply ISP Flash
3. Package Information
Table 3-1. Package Types
Package Type PN MA 32-pad, 5 x 5 x 1.0 mm body, lead pitch 0.50 mm, Quad Flat No-Lead/Micro Lead Frame Package (QFN/MLF): E2/D2 3.1 0.1 mm MA, 32 - Lead, 7 x 7 mm Body Size, 1.0 mm Body Thickness 0.5 mm Lead Pitch, Thin Profile Plastic Quad Flat Package (TQFP)
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Figure 3-1. PN
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Figure 3-2.
MA
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ATmega88 Automotive
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ATmega88 Automotive
4. Revision History
Please note that the following page numbers referred to in this section refer to the specific revision mentioned, not to this document. Revision No. 7738C-AVR-11/09 7738B-AVR-07/09 7738A-AVR-07/07 History * ADC specification updates * Package MA updated * Document Creation
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7738C-AVR-11/09

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