LO

CIT

M

VITESSE

SEMICONDUCTOR CORPORATION

VSC7123

10-Bit Transceiver for Fibre

Channel and Gigabit Ethernet

Data Sheet

G52212-0, Rev 4.3

Page 11

03/25//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

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

Parameters

Description

Min

Typ

Max

Units

Conditions

Output HIGH voltage (TTL)

2.4

——

V

Output LOW voltage (TTL)

——

0.5

V

Input HIGH voltage (TTL)

2.0

—

5.5

V

5V Tolerant Inputs

Input LOW voltage (TTL)

0

—

0.8

V

—

Input HIGH current (TTL)

—

50

500

µA

Input LOW current (TTL)

——

-500

µA

OUT75

(1)

TX output differential peak-

to-peak voltage swing

1200

—

2200

mVp-p

75

(TX+) - (TX-)

OUT50

(1)

TX output differential peak-

to-peak voltage swing

1000

—

2200

mVp-p

50

(TX+) - (TX-)

IN

(1)

RX Input differential peak-

to-peak input sensitivity

300

—

2600

mVp-p

(RX+) - (RX-)

Supply voltage

3.14

—

3.47

V

3.3V±5%

Power dissipation

—

650

900

mW

Outputs open,

Supply current (all supplies)

—

190

260

mA

Outputs open, Case temp =

95

Analog supply current

——

100

mA