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Octal E1 Line Interface
—
LXT381
Datasheet
27
4.0
Test Specifications
Note:
Table 8
through
Table 18
and
Figure 9
through
Figure 12
represent the performance specifications
of the LXT381 and are guaranteed by test except, where noted, by design. The minimum and
maximum values listed in
Table 10
through
Table 18
are guaranteed over the recommended
operating conditions specified in
Table 9
.
Table 8. Absolute Maximum Ratings
Parameter
Symbol
Min
Max
Unit
DC supply voltage
Vcc0, Vcc1, Tvcc 0-
7
-0.5
4.0
V
DC supply voltage
Vccio0, Vccio1,
-0.5
7.0
V
Input voltage on any digital pin
Vin
GND-0.5
GND-0.5
VCCIO0 + 0.5
VCCIO1 + 0.5
V
V
Input voltage on RTIP, RRING
1
Vin
GND-0.5
VCC0 + 0.5
VCC1 + 0.5
V
ESD voltage on any Pin
2
Vin
2000
-
V
Transient latch-up current on any pin
Iin
-
100
mA
Input current on any digital pin
3
Iin
-10
10
mA
DC input current on TTIP, TRING
3
Iin
-
±100
mA
DC input current on RTIP, RRING
3
Iin
-
±100
mA
Storage temperature
Tstor
-65
+150
°
C
Maximum package power dissipation
P
P
850
mW
Thermal resistance, junction to ambient,
144 pin LQFP package
28
°
C/W
Thermal resistance, junction to ambient,
160 pin PBGA package
28
°
C/W
Caution:
Exceeding these values may cause permanent damage.
Caution:
Functional operation under these conditions is not implied.
Caution:
Exposure to maximum rating conditions for extended periods may affect device reliability.
1. Referenced to ground.
2. Human body model.
3. Constant input current.
Table 9. Recommended Operating Conditions
Parameter
Sym
Min.
Typ.
Max.
Unit
Test Condition
DC supply voltage
Vcc
3.135
3.3
3.465
V
3.3V ± 5%
Digital I/O DC supply voltage
Vcc
3.135
3.3
5.25
V
Ambient operating temperature
Ta
-40
25
+85
°
C
1. Current consumption over the full operating temperature and power supply voltage range.
2. Digital inputs are within 10% of the supply rails and digital outputs are driving a 50pF load.