VSC7139 查看數據表（PDF） - Vitesse Semiconductor

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VSC7139

Quad Transceiver for Gigabit Ethernet and Fibre Channel

Vitesse Semiconductor 

VITESSE

SEMICONDUCTOR CORPORATION

Preliminary Datasheet

VSC7139

Quad Transceiver for

Gigabit Ethernet and Fibre Channel

DC Characteristics

Parameters

Description

Mi. Typ Max Units

Conditions

TTL Outputs

VOH

TTL output HIGH voltage

2.4

—

—

V IOH = -1.0mA

VOL

TTL output LOW voltage

—

—

0.5

V IOL = +1.0mA

IOZ

TTL output Leakage current

—

—

50

µA

When set to high-impedance

state through JTAG.

TTL Inputs

VIH

TTL input HIGH voltage

VIL

TTL input LOW voltage

IIH

TTL input HIGH current

IIL

TTL input LOW current

PECL Input (REF+/REF-)

2.0

—

5.5

V 5V Tolerant Inputs

0

—

0.8

V

—

50

500

µA VIN =2.4V

—

—

-500

µA VIN =0.5V

VIH

PECL input HIGH voltage

VDD -

1.1

—

VDD -

0.7

V

VIL

PECL input LOW voltage

VDD -

2.0

—

VDD -

1.5

V

IIH

IIL

∆VIN

PECL input HIGH current

PECL input LOW current

PECL input differential peak-to-

peak voltage swing

—

—

200

µA VIN =VIH(MAX)

- 50 —

—

µA VIN =VIL(MIN)

400 —

—

mV VIH(MIN) - VIL(MAX)

High Speed Outputs

∆VOUT75(1)

TX Output differential peak-to-peak

voltage swing

1200

—

2200

mVp-p

75Ω to VDD – 2.0 V

(TX+) - (TX-)

∆VOUT50(1)

TX Output differential peak-to-peak

voltage swing

1000

—

2200

mVp-p

50Ω to VDD – 2.0 V

(TX+) - (TX-)

High Speed Inputs

∆VIN(1)

PECL differential peak-to-peak

input voltage swing

200 — 2600 mV Rx+ - Rx-

Miscellaneous

VDD

Power supply voltage

3.14 — 3.47

V 3.3V + 5%

PD

Power dissipation

—

2.2 2.67

W Max at 3.47V, outputs open,

136MHz Clk, PRBS 2-7,

IDD

Supply current (All Supplies)

—

—

770

mA parallel input pattern, at +25ºC.

IDDA

Supply current on VDDA

—

100

—

mA

NOTE: (1) Refer to Application Note, AN-37, for differential measurement techniques.

G52196-0, Rev 3.3

5/14/01

© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012

Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com

Internet: www.vitesse.com

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