8T49N004A-999NLGI8

Basic Information Overview

• Category: Electronic Component
• Use: Timing Device
• Characteristics: High Precision, Low Jitter
• Package: QFN (Quad Flat No-leads)
• Essence: Clock Generator and Jitter Attenuator
• Packaging/Quantity: Tape & Reel, 2500 pieces per reel

Specifications and Parameters

• Frequency Range: 1 MHz to 2.1 GHz
• Output Format: LVCMOS, LVDS, HCSL
• Supply Voltage: 1.8 V to 3.3 V
• Operating Temperature Range: -40°C to +85°C
• Phase Noise: -150 dBc/Hz @ 100 kHz offset
• RMS Jitter: < 0.5 ps

Detailed and Complete Pin Configuration

The 8T49N004A-999NLGI8 has a total of 32 pins. The pin configuration is as follows:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VDD | Power Supply Voltage | | 2 | GND | Ground | | 3 | OUT0 | Output 0 | | 4 | OUT1 | Output 1 | | 5 | OUT2 | Output 2 | | 6 | OUT3 | Output 3 | | 7 | OUT4 | Output 4 | | 8 | OUT5 | Output 5 | | 9 | OUT6 | Output 6 | | 10 | OUT7 | Output 7 | | 11 | OUT8 | Output 8 | | 12 | OUT9 | Output 9 | | 13 | OUT10 | Output 10 | | 14 | OUT11 | Output 11 | | 15 | OUT12 | Output 12 | | 16 | OUT13 | Output 13 | | 17 | OUT14 | Output 14 | | 18 | OUT15 | Output 15 | | 19 | VDDO | Output Power Supply Voltage | | 20 | GND | Ground | | 21 | SDA | I2C Serial Data | | 22 | SCL | I2C Serial Clock | | 23 | VDDA | Analog Power Supply Voltage | | 24 | GND | Ground | | 25 | XTALI | Crystal Input | | 26 | XTALO | Crystal Output | | 27 | VDDXTAL | Crystal Power Supply Voltage | | 28 | GND | Ground | | 29 | NC | No Connection | | 30 | NC | No Connection | | 31 | NC | No Connection | | 32 | NC | No Connection |

Functional Characteristics

• Clock Generation: The 8T49N004A-999NLGI8 can generate up to 16 different clock outputs with programmable frequencies and formats.
• Jitter Attenuation: It features a built-in jitter attenuator that reduces the phase noise and RMS jitter of the input clock signal.
• I2C Interface: The device can be controlled and programmed through the I2C serial interface, allowing for easy configuration.

Advantages and Disadvantages

Advantages: - High precision and low jitter output signals - Wide frequency range and multiple output formats - Built-in jitter attenuator for improved signal quality - Easy configuration through I2C interface

Disadvantages: - Relatively high power consumption compared to some other timing devices - Limited number of output pins (16) compared to some higher-end models

Applicable Range of Products

The 8T49N004A-999NLGI8 is widely used in various electronic systems that require precise timing signals. It is commonly found in telecommunications equipment, data centers, network switches, and high-speed digital interfaces.

Working Principles

The device operates by taking an input clock signal and generating multiple output clocks with programmable frequencies and formats. The built-in jitter attenuator reduces the phase noise and RMS jitter of the input signal, resulting in high-quality output signals.

Detailed Application Field Plans

1. Telecommunications: The 8T49N004A-999NLGI8 is used in base stations, routers, and switches to ensure accurate synchronization of data transmission.
2. Data Centers: It is employed in server racks and storage systems to maintain precise timing for data processing and communication.
3. Network Switches: The device helps synchronize network switches to prevent packet loss and ensure smooth data transmission.