ATMEL ATMEGA88_1

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
7738C–AVR–11/09
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
Test Conditions
Unit
Operating Temperature
–55 to +150
°C
Storage Temperature
–65 to +175
°C
Voltage on any Pin except RESET with respect to Ground
Voltage on RESET with respect to Ground
–0.5 to VCC+0.5
V
–0.5 to +13.0
V
6.0
V
30
200.0
mA
Maximum Operating Voltage
DC Current per I/O Pin
DC Current VCC and GND
1.2
DC Characteristics
TA = –40°C to +85°C, VCC = 1.8V to 5.5V (unless otherwise noted)
Parameters
Test Conditions
Symbol
Min.
Input Low Voltage, except
XTAL1 and RESET pin
VCC = 1.8V to 5.5V
VIL
Input High Voltage, except
XTAL1 and RESET pins
VCC = 1.8V to 5.5V
Input Low Voltage,
XTAL1 pin
Max.
Unit
-0.5
0.1VCC(1)
V
VIH
0.75VCC(2)
VCC + 0.5
V
VCC = 1.8V to 5.5V
VIL1
–0.5
+0.1VCC(1)
V
Input High Voltage,
XTAL1 pin
VCC = 1.8V to 5.5V
VIH1
0.9VCC(2)
VCC + 0.5
V
Input Low Voltage,
RESET pin
VCC = 1.8V to 5.5V
VIL2
–0.5
+0.1VCC(1)
V
Input High Voltage,
RESET pin
VCC = 1.8V to 5.5V
VIH2
0.9VCC(2)
VCC + 0.5
V
Input Low Voltage,
RESET pin as I/O
VCC = 1.8V to 5.5V
VIL3
–0.5
+0.1VCC(1)
V
Input High Voltage,
RESET pin as I/O
VCC = 1.8V to 5.5V
VIH3
0.6VCC(2)
0.7VCC
V
Notes:
Typ.
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.
2
ATmega88 Automotive
7738C–AVR–11/09
ATmega88 Automotive
1.2
DC Characteristics (Continued)
TA = –40°C to +85°C, VCC = 1.8V to 5.5V (unless otherwise noted) (Continued)
Parameters
Test Conditions
Output Low Voltage(3),
I/O pin except RESET
Symbol
Min.
Typ.
Max.
Unit
IOL = 0.5 mA, VCC = 1.8V
VOL
0.25
V
Output High Voltage(4),
I/O pin except RESET
IOH = –0.5 mA, VCC = 1.8V
VOH
Input Leakage
Current I/O Pin
VCC = 5.5V, pin low
(absolute value)
IIL
1
µA
Input Leakage
Current I/O Pin
VCC = 5.5V, pin high
(absolute value)
IIH
1
µA
1.25
V
Reset Pull-up Resistor
RRST
30
60
kΩ
I/O Pin Pull-up Resistor
RPU
20
50
kΩ
Power Supply Current(5)
Active 2 MHz, VCC = 1.8V
0.8
1.2
mA
Idle 2 MHz, VCC = 1.8V
0.2
0.4
mA
0.2
4
18
24
µA
<10
40
mV
+50
nA
ICC
Power-down mode
WDT disabled, VCC = 1.8V
WDT enabled, VCC = 1.8V
Analog Comparator
Input Offset Voltage
VCC = 2.7V
Vin = VCC/2
VACIO
Analog Comparator
Input Leakage Current
VCC = 2.7V
Vin = VCC/2
IACLK
Analog Comparator
Propagation Delay
VCC = 2.7V
tACPD
Notes:
–50
500
ns
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.
3
7738C–AVR–11/09
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
4
2.7V
5.5V
ATmega88 Automotive
7738C–AVR–11/09
ATmega88 Automotive
1.4
ADC Characteristics
TA = –40°C to +85°C, VCC = 1.8V to 5.5V (unless otherwise noted)
Parameters
Resolution
Absolute accuracy
Integral Non Linearity
Differential Non Linearity
Test Conditions
Symbol
Min
Typ
Max
Unit
–40°C to +85°C 1.8V to 2.7V
ADC clock = 125 kHz
10
Bits
–40°C to +85°C 2.7V to 5.5V
ADC clock = 200 kHz
10
Bits
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
2.2
3.5
LSB
2.1
3.5
LSB
0.6
2.0
LSB
0.5
1.5
LSB
0.4
1.0
LSB
0.3
0.7
LSB
Gain error
–3.5
–1.5
3.5
LSB
Offset error
–3.5
2.0
3.5
LSB
125
kHz
Clock frequency
VCC = 1.8V to 2.7V
50
VCC = 2.7V to 5.5V
50
200
kHz
VCC + 0.3
V
Analog Supply Voltage
AVCC
VCC – 0.3
Reference Voltage
VREF
1.0
AVCC
V
VIN
GND
VREF – 50mV
V
Internal Voltage Reference
VINT
1.0
1.1
1.2
V
Reference Input Resistance
RREF
22.4
32
41.6
kΩ
Analog Input Resistance
RAIN
Input Voltage
Input Bandwidth
38.5
100
kHz
MΩ
5
7738C–AVR–11/09
2. Ordering Information
Table 2-1.
ATmega88
Speed (MHz) Power Supply ISP Flash
Ordering Code
Package
Operation Range
2-8
1.8V to 5.5V
8 KB
ATmega88V-15MT
PN
Automotive (–40°C to +85°C)
2-8
1.8V to 5.5V
8 KB
ATmega88V-15AT
MA
Automotive (–40°C to +85°C)
3. Package Information
Table 3-1.
Package Types
Package Type
6
PN
32-pad, 5 × 5 × 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
MA, 32 - Lead, 7 × 7 mm Body Size, 1.0 mm Body Thickness 0.5 mm Lead Pitch, Thin Profile
Plastic Quad Flat Package (TQFP)
ATmega88 Automotive
7738C–AVR–11/09
ATmega88 Automotive
Figure 3-1.
PN
7
7738C–AVR–11/09
Figure 3-2.
8
MA
ATmega88 Automotive
7738C–AVR–11/09
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.
History
7738C-AVR-11/09
• ADC specification updates
7738B-AVR-07/09
• Package MA updated
7738A-AVR-07/07
• Document Creation
9
7738C–AVR–11/09
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7738C–AVR–11/09