Products Applications Design & development Quality & reliability Home / Products / Clocks & timing / Clock buffers Clock buffers Simplify your clock tree design with our clock buffers Our picks Recommended for you CDCM1804 Clock buffers CDCM1804 1:3 LVPECL clock buffer & LVCMOS output & programmable divider Data sheet CDCLVC1104 Clock buffers CDCLVC1104 Low jitter, 1:4 LVCMOS fan-out clock buffer Data sheet LMK00334-Q1 Clock buffers LMK00334-Q1 Automotive 4-output PCIe® Gen1/Gen2/Gen3/Gen4/Gen5 clock buffer and level translator Data sheet LMK1D1212 Clock buffers LMK1D1212 12-channel output 1.8-V, 2.5-V, and 3.3-V LVDS buffer Data sheet LMK00334 Clock buffers LMK00334 4-output PCIe® Gen 1 to Gen 7 clock buffer and level translator Data sheet LMK1C1102-Q1 Clock buffers LMK1C1102-Q1 — New PREVIEW 2-channel output LVCMOS 1.8-V buffer for Automotive Data sheet LMK1C1104-Q1 Clock buffers LMK1C1104-Q1 — New PREVIEW 4-channel output LVCMOS 1.8-V buffer for Automotive Data sheet CDCM1802 Clock buffers CDCM1802 Clock buffer with programmable divider, LVPECL I/O and LVCMOS output Data sheet LMK00105 Clock buffers LMK00105 Ultra-low jitter LVCMOS fanout buffer/level translator with universal input and 5 outputs Data sheet CDC351 Clock buffers CDC351 1-line to 10-line 3.3-V clock driver with tri-state outputs Data sheet LMK1D1208 Clock buffers LMK1D1208 8-channel output LVDS 1.8-V, 2.5-V, and 3.3-V buffer Data sheet LMK01801 Clock buffers LMK01801 Dual clock distribution Data sheet LMK1C1108-Q1 Clock buffers LMK1C1108-Q1 — New PREVIEW 8-channel output LVCMOS 1.8-V buffer for Automotive Data sheet Popular CDCLVD1213 Clock buffers CDCLVD1213 Low jitter, 1:4 universal-to-LVDS buffer with selectable output divider Data sheet LMK1C1106-Q1 Clock buffers LMK1C1106-Q1 — New PREVIEW 6-channel output LVCMOS 1.8-V buffer for Automotive Data sheet LMKDB1208 Clock buffers LMKDB1208 — New 2-input 8-output LP-HCSL clock multiplexer for PCIe Gen 1 to Gen 7 Data sheet LMK1D1216 Clock buffers LMK1D1216 16-channel output 1.8-V, 2.5-V, and 3.3-V LVDS buffer Data sheet LMK1D1204P Clock buffers LMK1D1204P 4-channel output LVDS 1.8-V, 2.5-V, and 3.3-V buffer with pin control Data sheet Slides 1 to 2 of 18 Browse by category 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. Select by buffer type Single-ended buffers Optimize your design and generate multiple copies of your LVCMOS clock source with our easy-to-use single-ended buffers. Ultra low voltage (≥1.5V) Low voltage (1.8V) Standard voltage (2.5V and 3.3V) All single-ended buffers Differential buffers Generate multiple output frequencies for LVDS, LVPECL, HCSL and CML with our differential buffers. LP-HCSL and HCSL CML LVDS LVPECL All differential buffers Configurable buffers Generate multiple output frequencies for a range of protocols with our configurable (pin-programmable) clock buffers. Universal Pin configurable I2C and SPI configurable Divider buffer All configurable buffers Select by application PCIe buffers Industry leading additive jitter, PCIe generation one through six and DB2000QL compliant fan-out buffers. Find your device Automotive buffers AEC-Q100-qualified, automotive-grade low-noise buffers. Find your device Space buffers Diverse portfolio of radiation-hardened and radiation-tolerant RF, SYSREF and standard fanout buffers. Find your device Featured clock buffers Clock buffer type Additive RMS jitter (fs) LMK1C1102 ≤3 4 8 10 to 12 16 to 20 CDCLVP1102 LMK00334 and -Q1HCSL, PCIe Gen 1-5Automotive grade CDCLVP1204 CDCLVP2102Dual bank CDCDB2000DB2000QL, PCIe Gen 1-7 LMK00301 LMK00338HCSL, PCIe Gen 1-5 LMK1C1106 LMK1C1108 LMK1D1204/PFanout or pin control CDCLVP1208 CDCLVP111-EPCDCLVP111-SP CDCLVP2106 CDCLVP1212 CDCLVP2108Dual bank CDCLVP1216 CDCDB800/3DB800ZL, PCIe Gen 1-7 LMK00308 LMK00306 LMK00304 CML Universal LVDS LP-HCSL LVPECL LVCMOS CDCLVP2104Dual bank LMK1D2102Dual bank LMK1C1104 LMK00804B-Q1Automotive grade CDCLVC1310Level translation CDCLVC1112 1.8V+ core voltage Channel Count Output type CDCDB400PCIe Gen 1-7 LMK1D1208/I/PFanout, I²C or pin control LMK1D2104Dual bank LMK1D1212 LMK1D2106Dual bank LMK1D1216 LMK1D2108Dual bank 2.5V+ core voltage 3.3V core voltage 6 LMK1C1103 LMX1xxxRF buffer with SYSREF300MHZ to 16GHZ CDCL1810A LMKDB1x02PCIe Gen 1-7 LMKDB1x04PCIe Gen 1-7 LMKDB1108PCIe Gen 1-7 LMKDB1120DB2000QL, PCIe Gen1-7 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 White paper White paper The Importance of Clocks in Data Centers Lean more about PCIe clocking basics as well as clocking architectures, PCIe test criteria and post-processing tools. PDF Application note Application note Clocking for PCIe Applications Get a closer look at clocking in datacenters and the different standards that affect system level performance as well as how we aim to provide complete clocking solution to simplify and meet any data center requirements. PDF User guide User guide RC19XXX, 9QXL2001X vs. LMKDB1XXX, CDCDB2000 Drop-In Replacement Guide. Learn more about LMKDB1xxx buffer as a drop-in replacement for RC19xxx and 9QXL2001X. PDF Discover featured applications eFuse data center DATA CENTERS AND ENTERPRISE COMPUTING Elevate your data center with high-performance, PCIe-compliant clocks Telecom merchant rectifier TELECOMMUNICATIONS 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 Aerospace and defense SPACE Achieve space-grade certification faster with our radiation-hardened, high-reliability clock products and resources Smart cars with automatic sensors AUTOMOTIVE Simplify ADAS and IVI systems with TI's LVCMOS- and PCIe-compliant buffers by reducing the total number of clock components needed