LXT971ALC 参数 Datasheet PDF下载

LXT971A 3.3V Dual-Speed Fast Ethernet Transceiver

5.0

Note:

Test Specifications

and

represent the performance

specifications of the LXT971A. These specifications are guaranteed by test except where noted “by

design.” Minimum and maximum values listed in

apply over the

recommended operating conditions specified in

5.1

Electrical Parameters

Table 17. Absolute Maximum Ratings

Parameter

Supply voltage

LXT971A_C

(Commercial)

LXT971A_E

(Extended)

Sym

V

CC

T

OPA

T

OPA

T

ST

Min

-0.3

-15

-55

-65

Max

4.0

+85

+100

+150

Units

V

ºC

ºC

ºC

Operating temperature

Storage temperature

Caution:

Exceeding these values may cause permanent damage.

Functional operation under these conditions is not implied.

Exposure to maximum rating conditions for extended periods may affect device

reliability.

Table 18. Operating Conditions

Parameter

Sym

Min

Typ

1

Max

Units

Recommended operating

temperature

LXT971A_C

(Commercial)

LXT971A_E

(Extended)

Analog & Digital

I/O

100BASE-TX

10BASE-T

100BASE-FX

T

OPA

T

OPA

Vcca, Vccd

Vccio

I

CC

I

CC

I

CC

I

CC

I

CC

Icc

I

CC

0

-40

3.14

2.35

–

–

–

–

–

–

–

–

–

3.3

–

92

66

72

40

–

51

90

70

85

3.45

3.45

110

82

95

45

1

–

110

ºC

ºC

V

V

mA

mA

mA

mA

mA

mA

mA

Recommended supply voltage

2

V

CC

current

Sleep Mode

Hard Power Down

Soft Power Down

Auto-Negotiation

1. Typical values are at 25 °C and are for design aid only; not guaranteed and not subject to production

testing.

2. Voltages with respect to ground unless otherwise specified.

56

Datasheet

Document #: 249414

Revision #: 002

Rev. Date: August 7, 2002