ATtiny44 Automotive Atmel Corporation, ATtiny44 Automotive Datasheet - Page 178
ATtiny44 Automotive
Manufacturer Part Number
ATtiny44 Automotive
Description
Manufacturer
Atmel Corporation
Specifications of ATtiny44 Automotive
Flash (kbytes)
4 Kbytes
Pin Count
14
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
6
Hardware Qtouch Acquisition
No
Max I/o Pins
12
Ext Interrupts
12
Usb Speed
No
Usb Interface
No
Spi
1
Twi (i2c)
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
0.25
Eeprom (bytes)
256
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 125
I/o Supply Class
2.7 to 5.5
Operating Voltage (vcc)
2.7 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
2
Output Compare Channels
4
Input Capture Channels
1
Pwm Channels
4
32khz Rtc
No
Calibrated Rc Oscillator
Yes
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22. Electrical Characteristics
22.1
Note:
Table 22-1.
178
Automotive Operating Temperature ...............–40°C to +125°C
Storage Temperature .....................................–65°C to +150°C
Voltage on any Pin except RESET
with respect to Ground ...............................–0.5V to V
Voltage on RESET with respect to GND......... –0.5V to +13.0V
Voltage on
DC Current per I/O Pin ................................................ 40.0mA
DC Current
Injection Current at
Symbol
V
V
V
V
V
I
I
I
I
R
R
ILPORTA
IHPORTA
IHPORTB
ILPORTB
OL
OH
IL
IH
IH2
RST
pu
Absolute Maximum Ratings
2. Functional corruption may occur
1. Maximum current per port = ±30mA
Atmel ATtiny24/44/84 [Preliminary]
V
Parameter
Input Low Voltage
Input High-voltage
Except RESET pin
Input High-voltage
RESET pin
Output Low Voltage
(Port B,PORTA)
Output High-voltage
(Port B2:0,PORTA)
Input Leakage
Current I/O Pin
Input Leakage
Current I/O Pin
Input Leakage
Current I/O Pin
Input Leakage
Current I/O Pin
Reset Pull-up Resistor
I/O Pin Pull-up Resistor
V
CC
CC
DC Characteristics
with respect to GND .................. –0.5V to 6.0V
and GND Pins................................. 200.0mA
V
CC
= 0V to 5V
(4)
(5)
(2)
....................... ±5.0mA
V
V
I
I
I
I
Vcc =
(absolute value)
Vcc =
(absolute value)
Vcc =
(absolute value)
Vcc =
(absolute value)
Condition
OL
OL
OH
OH
CC
CC
T
A
= 10mA, V
= 5mA, V
= -10mA, V
= -5mA, V
= 2.4V - 5.5V
= 2.4V - 5.5V
= -40°C to 125°C, V
5.5
5.5
5.5
5.5
V, pin low
V, pin high
V, pin low
V, pin high
CC
CC
CC
CC
+0.5V
CC
= 3V
= 3V
= 5V
= 5V
(1)
CC
*NOTICE:
= 2.7V to 5.5V (unless otherwise noted)
0.6V
0.9V
Min.
-0.5
4.3
2.5
30
20
CC
CC
(3)
(3)
Stresses beyond those listed under “Absolute
Maximum Ratings” may cause permanent dam-
age 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.
<0.05
<0.05
Typ.
V
V
CC
CC
0.3V
Max.
0.8
0.5
50
50
60
50
+0.5
+0.5
1
1
CC
(2)
(2)
(1)
7701E–AVR–02/11
Units
nA
nA
µA
µA
k
k
V
V
V
V
V
V
V
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