Clock buffers
Simplify your clock tree design with our clock buffers
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Our portfolio of clock buffers features ultra-low additive jitter and low output skew, and can operate across a wide temperature range for performance-oriented and cost-sensitive industrial, automotive and space applications. Supported industry-standard output formats include Low-Voltage Complementary Metal-Oxide Semiconductor, Low-Voltage Differential Signaling, Low-Voltage Positive Emitter-Coupled Logic, current-mode logic, High-Speed Current Steering Logic (HCSL) and Low-Power HCSL, with up to 20 outputs for Peripheral Component Interconnect Express 6.0 applications such as data centers and enterprise computing.
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Single-ended buffers
Differential buffers
Configurable buffers
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PCIe buffers
Automotive buffers
Space buffers
Why choose clock buffer solutions?
Industry lowest additive jitter
Lower system noise floor with industries lowest additive jitter clock buffer portfolio with as low as 3fs additive jitter for PCIe Gen 6 compliant solutions.
One-stop shop
Find all your clock buffer needs in our portfolio from single ended fan-out buffers to universal muxing buffers all in one place.
Drop-in package solutions
Simplify your design-in process with a high performing pin-to-pin alternative to existing clock buffers, available in industry-standard packages.
Technical resources
The Importance of Clocks in Data Centers
Clocking for PCIe Applications
RC19XXX, 9QXL2001X vs. LMKDB1XXX, CDCDB2000 Drop-In Replacement Guide.
Discover featured applications
Elevate your data center with high-performance, PCIe-compliant clocks
Our buffer family provides low additive jitter and propagation delay, setting a standard for reliability and performance given the increasing demands of artificial intelligence and cloud computing.
Benefits:
- Performance suitable for various server applications.
- Peripheral Component Interconnect Express (PCIe) 1.0- to 6.0-compliant fanout buffer supporting two to 20 outputs.
- Supports any power-up sequence, with integrated 85Ω and 100Ω output impedance.
Featured resources
- LMKDB1120EVM – LMKDB1120 evaluation module for 20-output clock buffer for PCIe Gen 1 to Gen 6
- LMKDB1108EVM – LMKDB1108 evaluation module for eight-output clock buffer for PCIe Gen 1 to Gen 6
- LMKDB1202EVM – LMKDB1202 evaluation module
- The Importance of Clocks in Data Centers – White paper
- Clocking for PCIe Applications – Application note
- PSPICE-FOR-TI – PSpice® for TI design and simulation tool
- PLLATINUMSIM-SW – Texas Instruments PLLatinum Simulator Tool
- TICSPRO-SW – Texas Instruments Clocks and Synthesizers (TICS) Pro Software
Minimize additive jitter in your switches, routers, optical networks and advanced wireless infrastructures with TI's high-performance differential, single-ended and PCIe 6.0 fanout buffers
Our clock buffer integrated circuits cater to wired and wireless communications, broadband fixed-line access, and infrastructure needs. Minimize additive jitter for high-speed data integrity and support LVCMOS, LVDS, LVPECL, HCSL and LP-HCSL output formats, including compliance with the PCIe 6.0 specification.
Benefits:
- Operate from 1.8VCC, maximize power efficiency, ensure reliable performance, and simplify system design.
- Enable flexible signal distribution across communication platforms.
- Achieve precise timing and reliable signal integrity.
Featured resources
- LMK1D1208 – 8-channel output LVDS 1.8-V, 2.5-V, and 3.3-V buffer
- CDCLVP1212 – Low jitter, 2-input selectable 1:12 universal-to-LVPECL buffer
- LMK1C1104 – 4-channel output LVCMOS 1.8-V buffer
- LMK1D1208EVM – LMK1D1208 evaluation module for low jitter 2:8 LVDS fan-out buffer
- LMK1C1104EVM – LMK1C1104 low jitter 1:4 LVCMOS fan-out buffer evaluation module
- 112G and 224G PAM-4 SerDes Clocking for Rapid Data Center Switches (Rev. A) – Application note
- CLOCK-TREE-ARCHITECT – Clock tree architect programming software
- PSPICE-FOR-TI – PSpice® for TI design and simulation tool
Achieve space-grade certification faster with our radiation-hardened, high-reliability clock products and resources
Our radiation-hardened clock buffering and clock distribution products for space and low Earth orbit missions help you meet your mission-critical design requirements.
Benefits:
- Ultra-low additive jitter and a low noise floor minimize clock signal degradation in high-channel-count electronically scanned phased arrays.
- Joint Electron Device Engineering Council JESD204 system reference support for data-converter synchronization up to 12.8GHz clock rates.
- Low channel-to-channel skew and skew drift minimize phase error between clock receivers.
Featured resources
- LMX1860-SEP – Rad tolerant 15GHz RF buffer, multiplier, divider with SYSREF (JESD204B/C support) and FPGA clock
- CDCLVP111-SP – 1:10 high speed clock buffer with selectable input clock driver
- Radiation Handbook for Electronics (Rev. A) – E-book
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Simplify ADAS and IVI systems with TI's LVCMOS- and PCIe-compliant buffers by reducing the total number of clock components needed
Our buffer family optimizes domain controller, cockpit and radar systems when maintaining signal integrity across systems on a chip is a priority.
Benefits:
- Output format suitable across advanced driver assistance system (ADAS) and in-vehicle infotainment (IVI) domains.
- Level-translation capability.
- PCIe 1.0- to 6.0-compliant fanout buffer supporting two to 20 outputs.
Featured resources
- LMK00804B-Q1 – Automotive, 1.5-V to 3.3-V, 1-to-4 high-performance LVCMOS fanout buffer & level translator
- LMK00804B-Q1EVM – 4-output low-jitter differential/LVCMOS-to-LVCMOS fan-out buffer evaluation board
- Clocking for PCIe Applications – Application note
New products
2-channel output LVCMOS 1.8-V buffer for Automotive
Approx. price (USD) 1ku | 0.596
4-channel output LVCMOS 1.8-V buffer for Automotive
Approx. price (USD) 1ku | 0.748
8-channel output LVCMOS 1.8-V buffer for Automotive
Approx. price (USD) 1ku | 1.56
6-channel output LVCMOS 1.8-V buffer for Automotive
Approx. price (USD) 1ku | 1.36