ATMEL ATMEGA88 8-bit microcontroller with 8k bytes in-system programmable flash Datasheet

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
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7738A–AVR–07/07
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