Clock / Data Fanout Buffer, 7 GHz, 1:4 Differential, LVPECL, 2.5 V, 3.3 V

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Overview

The NB7L14 is a differential 1:4 LVPECL fanout buffer. The NB7L14 produces four identical LVPECL output copies of Clock or Data operating up to 7 GHz or 10.7 Gb/s, respectively. As such, the NB7L14 is ideal for SONET, GigE, Fiber Channel, Backplane and other Clock or Data distribution applications. The differential inputs incorporate internal 50-ohm termination resistors that are accessed through the VT Pin. This feature allows the NB7L14 to accept various logic standards, such as LVPECL, CML, LVDS, LVCMOS or LVTTL logic levels. The VREFAC reference output can be used to rebias capacitor-coupled differential or single-ended input signals. The 1:4 fanout design was optimized for low output skew applications.

  • OC-48 and OC-192 SONET/SDH Data Buffering applications
  • ATE High Speed Communcations Links
  • Maximum Input Clock Frequnecy up to 7 GHz Typical
  • Maximum Input Data Rate up to 10 Gb/s Typical
  • < 0.8 ps of RMS Clock Jitter
  • < 15 ps of Data Dependent Jitter
  • 45 ps Typical Rise and Fall Times
  • 165 ps Typical Propogation Delay
  • 3 ps Typical Within Device Skew
  • Operating Range: VCC = 2.375 V to 3.6 V
  • LVPECL Output Level, 720 mV Peak-to-Peak
  • 50-ohm Internal Input Termination Resistors
  • Functionally Compatible with Existing 2.5 V / 3.3 V LVEL, LVEP, EP, and SG devices

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ECAD Models

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Case Outline

MSL Type

MSL Temp (°C)

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Type

Channels

Input / Output Ratio

Input Level

Output Level

VCC Typ (V)

tJitterRMS Typ (ps)

tskew(o-o) Max (ps)

tpd Typ (ns)

tR & tF Max (ps)

fmaxClock Typ (MHz)

fmaxData Typ (Mbps)

Pricing ($/Unit)

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NB7L14MNG

Active

Pb

A

H

P

QFN-16

1

260

TUBE

123

Y

Buffer

1

1:4

LVTTL

LVPECL

3.3

0.5

15

0.165

60

8000

11000

Price N/A

More Details

NB7L14MNTXG

Active

Pb

A

H

P

QFN-16

1

260

REEL

3000

Y

Buffer

1

1:4

LVTTL

LVPECL

3.3

0.5

15

0.165

60

8000

11000

Price N/A

More Details

NB7L14MN1TWG

Active

Pb

A

H

P

QFN-16

1

260

REEL

3000

Y

Buffer

1

1:4

LVTTL

LVPECL

3.3

0.5

15

0.165

60

8000

11000

Price N/A

More Details

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