VSC7128 datasheet(4/10 Pages) VITESSE

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VITESSE

SEMICONDUCTOR CORPORATION

Advance Product Information

VSC7128

Hex Port Bypass Circuit / Dual Repeater

for 1.0625 Gb/s FC-AL Disk Arrays

Page 4

741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896

8/31/98

G52177-0, Rev. 2.3

DC Characteristics (Over recommended operating conditions).

Absolute Maximum Ratings (1)

Power Supply Voltage (VDD)..............................................................................................................-0.5V to +4V

PECL DC Input Voltage ......................................................................................................... -0.5V to VDD +0.5V

TTL DC Input Voltage .......................................................................................................................-0.5V to 5.5V

DC Voltage Applied to TTL Outputs .................................................................................... -0.5V to VDD + 0.5V

TTL Output Current ................................................................................................................................. +/-50mA

PECL Output Current ............................................................................................................................... +/-50mA

Case Temperature Under Bias ........................................................................................................ -55

° to +125oC

Storage Temperature...................................................................................................................... -65

° to + 150oC

Maximum Input ESD (Human Body Model) .............................................................................................. 1500 V

Recommended Operating Conditions

Power Supply Voltage................................................................................................................3.3V +/- 5%

Ambient Operating Temperature Range...............................................................0

°C Ambient to +90°C Case

Notes:

CAUTION: Stresses listed under “Absolute Maximum Ratings” may be applied to devices one at a time without causing per-

manent damage. Functionality at or above the values listed is not implied. Exposure to these values for extended periods may

affect device reliability.

Parameters

Description

Min

Typ

Max

Units

Conditions

VIH

Input HIGH voltage (TTL)

2.0

—

5.5

VIL

Input LOW voltage (TTL)

—

0.8

—

IIH

Input HIGH current (TTL)

—

500

µAV

IN = 2.4 V

IIL

Input LOW current (TTL)

—

-500

µAV

IN = 0.5 V

VOH

Output HIGH Voltage (TTL)

2.4

—

IOH = -1.0mA

VOL

Output LOW Voltage (TTL)

—

0.5

IOL= +1.0mA

VDD

Supply voltage

3.14

—

3.47

VDD = 3.3V + 5%

Power Dissipation

—

1.3

2.1

Outputs open, VDD = VDD max

IDD

Supply current

—

390

620

Outputs open, VDD = VDD max

∆V

IN(DF)

PECL input swing

300

—

2600

mVp-p

AC Coupled.

Internally biased at VDD/2

∆V

OUT75

PECL output swing: LSO, OUT

1200

—

2200

mVp-p

Ω to V

DD – 2.0 V

∆V

OUT50

PECL output swing: LSO, OUT

1200

—

2200

mVp-p

Ω to V

DD – 2.0 V

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