Texas Instruments offers the industry’s broadest selection of clock and timing products. Providing a variety of clock circuits, RF synthesizers, real-time clocks, memory interface clocks and registers, digital media system clocks and wireless base station clocks, TI has the clock generation and clock distribution devices and support needed to complete your design. Offering low total solution cost while delivering best-in-class jitter performance and ultimate flexibility, TI’s portfolio of clock products enables designers to build an entire clock tree customized to serve a variety of applications within the communications, consumer and industrial markets.
Clock Generator products include:
The CDCE913 is programmable 1-PLL VCXO Clock Synthesizer, Multiplier and Divider. It generates up to 3 output clocks from a single input frequency. Each output can be programmed in-system for any clock frequency up to 230 MHz, using the integrated configurable PLL.
1:1 Low jitter (< 1ps RMS (10 kHz - 20 MHz)) crystal-in clock generator for LVPECL, LVDS or LVCMOS outputs up to 250MHz from a low-frequency crystal or LVCMOS input using control pins.
Easy to use spread spectrum clock driver/multiplier to reduce EMI. Accepts external crystal input frequencies from 8MHz to 32MHz and outputs frequencies between 8MHz and 108MHz.
The LMK04100 precision clock conditioners provides jitter cleaning, clock multiplication and distribution without the need for high-performance VCXO modules. When connected to a recovered system reference clock and a VCXO, the device generates 5 low jitter clocks in 3 PECL/LVPECL or 4 LVCMOS output formats at frequencies between 1185-1296MHz.
The LMK03806 is a high performance, ultra low-jitter, multi-rate clock generator capable of synthesizing 8 different frequencies on 14 outputs at frequencies of up to 2.6 GHz. Each output clock is programmable in LVDS, LVPECL or LVCMOS format. The LMK03806 integrates a high performance integer-N PLL, low noise VCO, and programmable output dividers to generate multiple reference clocks for SONET, Ethernet, Fiber Channel, XAUI, Backplane, PCIe, SATA and Network Processors from a low cost crystal.
The LMK04906 is a highly flexible integrated clocking solution that delivers the industry’s lowest jitter, providing a complete clocking solution for designers who are looking to enhance system performance and reduce the number of external components traditionally used to implement various clocking architectures. As an addition to the LMK04800 family, LMK04906 can be used for extra reference input clocks plus is a great option for those who desire fewer outputs to save on costs.
Clock Distribution products include:
The CDCV304 is a general purposed and PCI-X 1:4 clock buffer. It distributes one input clock signal to four output clocks
The CDCVF2505 is a low-skew, low-jitter, phase-lock loop (PLL) clock driver that precisely align, in both frequency and phase, the output clocks (1Y[0−3] and CLKOUT) to the input clock signal (CLKIN) operating at 3.3 V. It also provides integrated series-damping resistors that make it ideal for driving point-to-point loads, eliminating external RC networks.
The CDCLVC1310 is a universal input, low additive jitter, low power LVCMOS buffer that provide customers 10 copies of LVCMOS outputs with high drive capability in a small 32 pin QFN package.
The LMK01000 is a distributor and divider with low noise featuring two programmable clock inputs (CLKin0 and CLKin1) that allow the user to dynamically switch between different clock domains. The device has 3 LVDS and 5 LVPECL clock outputs with independently programmable dividers and delay adjustments. The outputs of the device can be easily synchronized by an external pin (SYNC*).
The CDCLV1102 is 1:2 LVCMOS clock buffer with less than 50ps pin to pin skew and low additive jitter of less than 100 fs. It runs on 3.3V supplies which enable fmax of 250 MHz or 2.5V which enables fmax of 180MHz. It is part of a modular family of devices with different fanout options that are pin compatible.
LMK00301 is a part of Universal Clock Buffer Family (LMK0030x) consists of highly versatile, low jitter, clock fan-out buffer which can distribute to 10 copies of differential clock outputs from one of three selectable LVPECL, LVDS, HCSL, SSTL, crystal input for a variety of Networking and Data Communications, Ethernet switches, Routers, Medical Imaging & General Purpose applications upto 3.1 GHz. The LMK00301 can be easily configured through pin programming. The overall additive jitter performance is 51fs, RMS (typ). The LMK00301 is packaged in a 48 pin 7mm x 7mm package.
The LMK00101 is a highly versatile, low jitter clock fanout buffer which distributes to ten low jitter LVCMOS clock outputs from one of three inputs, whose primary and secondary inputs can feature differential or single-ended signals and crystal input. Such a buffer is intended for use in a variety of wireless and wired infrastructure, data communication, computing, low power medical imaging and portable test and measurement applications. The core can be set to 2.5V or 3.3V and output can be set to 1.5V, 1.8V, 2.5V or 3.3V. The LMK00101 can be easily configured through pin programming. The overall additive jitter performance is 30 fsRMS (typ). The LMK00101 is packaged in a small 32-pin 5mm x 5mm package.
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