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NB3M8T3910G: Differential Clock Fanout Buffer with LVCMOS Reference Output, Configurable, 2.5 V/3.3 V 3:1:10

Datasheet: 2.5 V /3.3 V 3:1:10 Configurable Differential Clock Fanout Buffer with LVCMOS Reference Output
Rev. 3 (181kB)
Product Overview
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The NB3M8T3910G is a 3:1:10 Clock fanout buffer operating on a 2.5 V/3.3 V Core VDD and a flexible 2.5 V / 3.3 V VDDO supply (VDDO ≤ VDD). A 3:1 Mux selects between Crystal oscillator inputs, or either of two differential Clock inputs capable of accepting LVPECL, LVDS, HCSL, or SSTL levels. The MUX select lines, SEL0 and SEL1, accept LVCMOS or LVTTL levels and select input per Table 3. The Crystal input is disabled when a Clock input is selected. Differential Outputs consist of two banks of five differential outputs with each bank independently mode configurable as LVPECL, LVDS, HCSL. Each bank of differential output pairs is configured with a pair of SMODEAx/Bx select lines using LVCMOS or LVTTL levels per Table 6. Clock input levels and outputs states are determined per Table 5. The Single−Ended LVCMOS Output, REFOUT, is synchronously enabled by the OE_SE control line per Table 4 using LVCMOS / LVTTL levels. For Clock frequencies above 250 MHz, the REFOUT line should be disabled.
Features
 
  • Crystal, Single-Ended or Differential Input Reference Clocks
  • Differential Input Pair can Accept: LVPECL, LVDS, HCSL, SSTL
  • Two Output Banks: Each has Five Differential Outputs Configurable as LVPECL, LVDS, or HCSL by SMODEAx/Bx Pins
  • One Single−Ended LVCMOS Output with Synchronous OE Control
  • LVCMOS/LVTTL Interface Levels for all Control Inputs
  • Clock Frequency: Up to 1400 Mhz, Typical
  • Output Skew: 50 ps (Max)
  • Additive RMS Jitter <0.03 ps (156.25 MHz, Typical)
  • Input to Output Propagation Delay (900 ps Typical)
  • Operating Supply Modes VDD/VDDO: 2.5 V/2.5 V, 3.3 V/3.3 V or 3.3 V/2.5 V
  • Industrial Temperature Range −40°C to 85°C
Applications   End Products
  • Clock Distrubtion
  • Telecom
  • Networking
  • Backplane
  • High End Computing
  • Wireless and Wired Infrastructure
 
  • Servers
  • Ethernet Switch/Routers
  • ATE, Test and Measurement
Evaluation/Development Tool Information
Product Status Compliance Short Description Action
NB3M8T3910GEVB Active
Pb-free
NB3M8T3910G Custom Evaluation Board
Availability & Samples
Specifications
Product
Status
Compliance
Description
Package
MSL
Container
Budgetary Price/Unit
Type
Case Outline
Type
Temperature
Type
Qty.
NB3M8T3910GMNR2G Active
Pb-free
Halide free
NB3M8T3910G QFN-48 485AJ 1 260 Tape and Reel 2500 Contact Sales Office
NB3M8T3910GMNTWG Active
Pb-free
Halide free
NB3M8T3910G QFN-48 485AJ 1 260 Tape and Reel 2500 Contact Sales Office
Market Leadtime (weeks) : Contact Factory
ON Semiconductor   (2020-09-02 00:00) : 5,000
Market Leadtime (weeks) : Contact Factory

Product
Description
Pricing ($/Unit)
Compliance
Status
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)
Package Type
NB3M8T3910GMNR2G  
Pb
H
 Active   
Buffer
1
3:1:10
HCSL
LVDS
LVPECL
SSTL
HCSL
LVCMOS
LVDS
LVPECL
2.5
3.3
0.03
50
0.9
325
1400
QFN-48
NB3M8T3910GMNTWG  
Pb
H
 Active   
QFN-48
Case Outlines
485AJ   
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