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

Vin

GND-0.5

VCC0 + 0.5

VCC1 + 0.5

V

Vin

2000

-

V

Transient latch-up current on any pin

Iin

-

100

mA

Iin

-10

10

mA

Iin

-

±100

mA

Iin

-

±100

mA

Storage temperature

Tstor

-65

+150

°C

Maximum package power dissipation

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.