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Texas Instruments LMK1D1212RHAR — Clock & Timing ICs

Texas Instruments LMK1D1212RHAR Clock Buffer, 2 GHz

MPNLMK1D1212RHAR
Active

Texas Instruments Clock Buffer, LMK1D1212RHAR, 2 GHz max frequency, 2:12 fanout, LVDS outputs, 40-VFQFN exposed pad package, tape and reel.

$6.3208Ref. price · indicative, final on quote
Texas Instruments LMK1D1212RHAR datasheet (PDF)
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

LMK1D1212RHAR specifications
ParameterValue
TypeClock Buffer
MountingSurface Mount
Supply voltage1.71V ~ 1.89V, 2.375V ~ 2.625V, 3.135V ~ 3.465V
Frequency - max2 GHz
Operating temperature-40°C ~ 105°C (TA)
InputCML, HCSL, LVCMOS, LVDS, LVPECL
OutputClock, LVDS
PackageTape & Reel (TR)
Case40-VFQFN Exposed Pad
Number of circuits1
Ratio - Input:Output2:12
Differential - Input:OutputYes/Yes

Product details

2 GHz clock distribution with 2:12 fanout

The LMK1D1212RHAR: The 2:12 fanout ratio means a single device can replace multiple lower-fanout buffers on a dense timing tree, saving board space and reducing clock skew across the fan-out paths.

Input flexibility and supply rails

The input stage accepts CML, HCSL, LVCMOS, LVDS, and LVPECL signal standards, so the same buffer can interface with a wide range of clock sources without external level translation. The differential input-to-output path means the buffer preserves signal integrity for high-speed differential clocks, critical for jitter-sensitive applications like SERDES reference clocks.

Frequently asked questions

Where can I buy the LMK1D1212RHAR and how do I get a price?

The LMK1D1212RHAR is sourced to order against an RFQ through independent and authorized distribution.

What input signal standards does the LMK1D1212RHAR accept?

The buffer accepts CML, HCSL, LVCMOS, LVDS, and LVPECL inputs, covering the common differential and single-ended clock source types.