Datasheet > 8T49N1012-000NLGI

8T49N1012-000NLGI

更新时间： 2022-02-26 09:27:17

品牌	Logo	应用领域
艾迪悌 - IDT		/
页数	文件大小	规格书
57页	1310K
描述
FemtoClock NG 12-Output Frequency Synthesizer

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FemtoClock^®NG 12-Output 

8T49N1012

Datasheet

Frequency Synthesizer

General Description

Features

The 8T49N1012 has one fractional-feedback PLL that can be used

for frequency synthesis. It is equipped with two integer and eight

fractional output dividers, allowing the generation of up to ten

different output frequencies, ranging from 8kHz to 1GHz. Eight of

these frequencies are completely independent of each other and the

inputs. Two more are related frequencies. The twelve outputs may

select among LVPECL, LVDS, HSCL or LVCMOS output levels.

• <350fs RMS typical jitter (including spurs), @122.88MHz (12kHz

to 20MHz)

• Operating modes: locked to input signal and free-run

• Operates from a 10MHz to 40MHz fundamental-mode crystal

• Accepts one LVPECL, LVDS, LVHSTL, HCSL or LVCMOS input

clock

• Accepts frequencies ranging from 10MHz up to 600MHz

• Clock input monitoring

This functionality makes it ideal to be used in any frequency

synthesis application, including 1G, 10G, 40G and 100G

Synchronous Ethernet, OTN, and SONET/SDH, including ITU-T

G.709 (2009) FEC rates.

• Generates 12 LVPECL / LVDS / HSCL or 24 LVCMOS output

clocks

• Output frequencies ranging from 8kHz up to 1.0GHz (Q[8:11],

The device supports Output Enable inputs and Lock and LOS status

outputs.

The device is programmable through an I²C interface. It also

supports I²C master capability to allow the register configuration to

be read from an external EEPROM.

Differential)

• Output frequencies ranging from 8kHz to 250MHz (LVCMOS)

• Two Output Enable control inputs

• Lock and Loss-of-Signal status outputs

• Programmable output de-skew adjustments in steps as small as

16ps

Applications

• Register programmable through I²C or via external I²C EEPROM

• Bypass clock paths and Reference Output for system tests

• OTN or SONET / SDH equipment Line cards (up to OC-192, and

supporting FEC ratios)

• Power supply modes:

• Gigabit and Terabit IP switches / routers

• Wireless base station baseband

• Data communications

V_CC/ V_CCA/ V_CCO

3.3V / 3.3V / 3.3V

3.3V / 3.3V / 2.5V

3.3V / 3.3V / 1.8V (LVCMOS)

2.5V / 2.5V / 3.3V

2.5V / 2.5V / 2.5V

2.5V / 2.5V / 1.8V (LVCMOS)

• -40°C to 85°C ambient operating temperature

• Package: 72QFN, lead-free RoHs (6)

October 28, 2016

12 3 4 5 6 7...57

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