Name: PLL Clock Generator, Synthesized, Programmable, 3.3 V / 5.0 V, with Power Down (50 to 800 MHz)
Brand: PLL Clock Generator, Synthesized, Programmable, 3.3 V / 5.0 V, with Power Down (50 to 800 MHz)
SKU: NBC12439

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PLL Clock Generator, Synthesized, Programmable, 3.3 V / 5.0 V, with Power Down (50 to 800 MHz)

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CAD Model

Overview

The NBC12439 and NBC12439A are a general purpose, PLL based synthesized clock sources. The VCO will operate over a frequency range of 400 MHz to 800 MHz. The VCO frequency is sent to the N-output divider, where it can be configured to provide division ratios of 1, 2, 4 or 8. The VCO and output frequency can be programmed using the parallel or serial interfaces to the configuration logic. The PLL loop filter is fully integrated and does not require any external components. The NBC12439 is specified to operate across the commercial temperature range. The NBC12439A is specified to operate across the industrial temperature range.

Applications

Clock generation and synthesis for computing and servers.

Features

Best-in-Class Output Jitter Performance, ±20 ps Peak-to-Peak
50 MHz to 800 MHz Programmable Differential PECL Outputs
Fully Integrated Phase-Lock-Loop with Internal Loop Filter
Parallel Interface for Programming Counter and Output Dividers During Power-Up
Minimal Frequency Overshoot
Serial 3-Wire Programming Interface
Crystal Oscillator Interface
Operating Range: VCC = 3.135 V to 5.25 V
CMOS and TTL Compatible Control Inputs
Drop in replacement for Motorola MC12439
Power-Down of PECL Outputs (divide 16)
Pb-Free Packages are Available

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Package Type

Case Outline

MSL Type

MSL Temp (掳C)

Container Type

Container Qty.

Input Level

Output Level

V_S Typ (V)

f_in Typ (MHz)

f_out Typ (MHz)

t_Jitter(Cy-Cy) Typ (ps)

t_Jitter(Period) Typ (ps)

t_Jitter(Φ) Typ (ps)

t_R & t_F Typ (ps)

t_R & t_F Max (ps)

T_A Min (°C)

T_A Max (°C)

Reference Price

NBC12439AMNG

Active

QFN-32

488AM

260

TUBE

CMOS

ECL

10-20

50-800

卤20

175

425

Price N/A

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PLL Clock Generators | NBC12439

PLL Clock Generator, Synthesized, Programmable, 3.3 V / 5.0 V, with Power Down (50 to 800 MHz)

Overview

Product List

Email Sales