234
9152BINDCO02/10
ATA8743
34. Electrical Characteristics
34.1 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
Value
Unit
Operating temperature
40 to +85
癈
Storage temperature
65 to +175
癈
Voltage on any pin except RESET
with respect to ground
0.5 to V
CC
+ 0.5
V
Maximum operating voltage
6.0
V
DC current per I/O pin
30.0
mA
DC current V
CC
and GND pins
200.0
mA
34.2 DC Characteristics
T
A
= 40癈 to +85癈, V
CC
= 1.8V to 3.6V (unless otherwise noted)
Symbol Parameters
Condition
Min.
Typ.
Max.
Unit
V
IL
Input low voltage, except XTAL1 and
RESET
pin
V
CC
= 1.8V to 3.6V
0.5
+0.2V
CC
(1)
V
V
IH
Input high voltage, except XTAL1
and RESET
pins
V
CC
= 1.8V to 3.6V
0.7V
CC
(2)
V
CC
+ 0.5
V
V
IL1
Input low voltage, XTAL1 pin
V
CC
= 1.8V to 3.6V
0.5
+0.2V
CC
(1)
V
V
IH1
Input high voltage, XTAL1 pin
V
CC
= 1.8V to 3.6V
0.9V
CC
(2)
V
CC
+ 0.5
V
V
IL2
Input low voltage, RESET
pin
V
CC
= 1.8V to 3.6V
0.5
+0.2V
CC
(1)
V
V
IH2
Input high voltage, RESET
pin
V
CC
= 1.8V to 3.6V
0.9V
CC
(2)
V
CC
+ 0.5
V
V
OL
Output low voltage
(3)
,
I/O pin except RESET
I
OL
= 2 mA, V
CC
= 1.8V
0.2
V
V
OH
Output high voltage
(4)
,
I/O pin except RESET
I
OH
= 2mA, V
CC
= 1.8V
1.2
V
I
CC
Power supply current
Active 4 MHz, V
CC
= 3V
0.8
2.5
mA
Idle 4 MHz, V
CC
= 3V
0.2
0.5
mA
Power-down mode
WDT disabled, V
CC
= 3V
WDT enabled, V
CC
= 3V
0.2
4
24
30
礎
V
ACIO
Analog comparator
Input offset voltage
V
CC
= 2.7V
V
in
= V
CC
/2
< 10
40
mV
I
ACLK
Analog comparator
Input leakage current
V
CC
= 2.7V
V
in
= V
CC
/2
50
+50
nA
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 (2 mA at VCC = 1.8V) under steady state conditions (nontran-
sient), the following must be observed: (1) The sum of all IOL, for all ports, 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
(nontransient), the following must be observed: (1) The sum of all IOL, for ports B0 to 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.
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