LMK00304 - 3.1GHz 差动时钟缓冲器/电平转换器

LMK00304是TI德州仪器公司的一款通用（可编程）产品，LMK00304是3.1GHz 差动时钟缓冲器/电平转换器，本站介绍了LMK00304的封装应用图解、特点和优点、功能等，并给出了与LMK00304相关的TI元器件型号供参考。

LMK00304 - 3.1GHz 差动时钟缓冲器/电平转换器 - 通用（可编程） - 时钟缓冲器 - 德州仪器

产品描述

The LMK00304 is a 3-GHz 4-output differential fanout buffer intended for high-frequency, low-jitter clock/data distribution and level translation. The input clock can be selected from two universal inputs or one crystal input. The selected input clock is distributed to two banks of 2 differential outputs and one LVCMOS output. The differential output banks can be mutually configured as LVPECL, LVDS, or HCSL drivers, or disabled. The LVCMOS output has a synchronous enable input for runt-pulse-free operation when enabled or disabled. The LMK00304 operates from a 3.3 V core supply and 3 independent 3.3 V/2.5 V output supplies.

The LMK00304 provides high performance, versatility, and power efficiency, making it ideal for replacing fixed-output buffer devices while increasing timing margin in the system.

产品特性

3:1 Input Multiplexer
- Two Universal Inputs Operate up to 3.1 GHz and Accept LVPECL, LVDS, CML, SSTL, HSTL, HCSL, or Single-Ended Clocks
- One Crystal Input Accepts a 10 to 40 MHz Crystal or Single-Ended Clock
Two Banks with 2 Differential Outputs Each
- LVPECL, LVDS, HCSL, or Hi-Z (Selectable)
- LVPECL Additive Jitter with LMK03806 Clock Source at 156.25 MHz:20 fs RMS (10 kHz – 1 MHz) 51 fs RMS (12 kHz – 20 MHz)
High PSRR: –65 / –76 dBc (LVPECL/LVDS) at 156.25 MHz
LVCMOS Output with Synchronous Enable Input
Pin-Controlled Configuration
VCC Core Supply: 3.3 V ± 5%
3 Independent VCCO Output Supplies: 3.3 V/2.5 V ± 5%
Industrial Temperature Range: –40°C to +85°C
32-lead WQFN (5 mm × 5 mm)

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