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LMKDB1 Ultra-Low Jitter Clock Buffers

Texas Instruments LMKDB1 Ultra-Low Jitter Clock Buffers are a family of extremely-low-jitter LP-HCSL buffers and MUX that support PCIe Gen 1 to Gen 6 and are DB2000QL compliant. The devices provide flexible power-up sequence, fail-safe inputs, individual output enable and disable pins, loss of input signal (LOS) detection and automatic output disable features, and excellent power supply noise rejection performance. Both 1.8V and 3.3V supply voltages are supported. For the Texas Instruments LMKDB1120, a 1.8V power supply saves 250mW power compared to 3.3V.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CLP) Filter the results in the table by unit price based on your quantity.	Qty.	Number of Outputs	Max Output Freq	Propagation Delay - Max	Output Type	Package / Case	Input Type	Maximum Input Frequency	Supply Voltage - Min	Supply Voltage - Max	Series	Minimum Operating Temperature	Maximum Operating Temperature
Clock Buffer High performance com pliant two output s LMKDB1102REYT Texas Instruments 1: $5.309 1.245In Stock	Mfr. Part # LMKDB1102REYT Mouser Part # 595-LMKDB1102REYT	Texas Instruments	Clock Buffer High performance com pliant two output s Learn More about Texas Instruments ti lmkdb1 ultra low jitter clock buffers	Datasheet	1.245In Stock	Cut Tape $5.309 $3.999 $3.668 $3.315 Reel $3.144 View $3.122 $2.928 $2.871 MouseReel Available	Min.: 1 Mult.: 1 : 250	5 Output			LP-HCSL	VQFN-20	LP-HCSL	400 MHz	1.71 V	3.6 V	LMKDB1102	- 40 C	+ 105 C
Clock Buffer 4-output LP-HCSL clo ck buffer for PCIe LMKDB1104Z100REXT Texas Instruments 1: $5.776 1.422In Stock	Mfr. Part # LMKDB1104Z100REXT Mouser Part # 595-LMKDB1104Z100RET	Texas Instruments	Clock Buffer 4-output LP-HCSL clo ck buffer for PCIe Learn More about Texas Instruments ti lmkdb1 ultra low jitter clock buffers	Datasheet	1.422In Stock	Cut Tape $5.776 $4.398 $4.044 $3.657 Reel $3.463 View $3.315 $3.304 $3.167 MouseReel Available	Min.: 1 Mult.: 1 : 250	4 Output			LP-HCSL	VQFN-28	LP-HCSL	400 MHz	1.71 V	3.6 V	LMKDB1104	- 40 C	+ 105 C
Clock Buffer 8-output LP-HCSL clo ck buffer for PCIe LMKDB1108Z85RKPT Texas Instruments 1: $7.975 750In Stock	Mfr. Part # LMKDB1108Z85RKPT Mouser Part # 595-LMKDB1108Z85RKPT	Texas Instruments	Clock Buffer 8-output LP-HCSL clo ck buffer for PCIe Learn More about Texas Instruments ti lmkdb1 ultra low jitter clock buffers	Datasheet	750In Stock	Cut Tape $7.975 $6.107 $5.651 $5.469 Reel $4.637 $4.625 MouseReel Available	Min.: 1 Mult.: 1 : 250	8 Output	400 MHz	1 ns	LP-HCSL	VQFN-40	LP-HCSL	400 MHz	1.71 V	3.6 V	LMKDB1108	- 40 C	+ 105 C
Clock Buffer DB2000QL-compliant 2 0-output clock buff LMKDB1120Z85NPPT Texas Instruments 1: $10.778 250In Stock	Mfr. Part # LMKDB1120Z85NPPT Mouser Part # 595-LMKDB1120Z85NPPT	Texas Instruments	Clock Buffer DB2000QL-compliant 2 0-output clock buff Learn More about Texas Instruments ti lmkdb1 ultra low jitter clock buffers	Datasheet	250In Stock	$10.778 $8.385 $7.781 $7.120 View $6.756 $6.619 $6.471 Quote	Min.: 1 Mult.: 1	20 Output	400 MHz	1 ns	LP-HCSL	TLGA-80	LP-HCSL	400 MHz	1.71 V	3.6 V	LMKDB1120	- 40 C	+ 105 C
Clock Buffer 2-input 2-output LP- HCSL clock MUX for LMKDB1202REYT Texas Instruments 1: $4.967 1.910In Stock	Mfr. Part # LMKDB1202REYT Mouser Part # 595-LMKDB1202REYT	Texas Instruments	Clock Buffer 2-input 2-output LP- HCSL clock MUX for Learn More about Texas Instruments ti lmkdb12xx lp hcsl clock multiplexers	Datasheet	1.910In Stock	Cut Tape $4.967 $3.748 $3.452 $3.122 Reel $2.951 View $2.825 $2.734 $2.689 MouseReel Available	Min.: 1 Mult.: 1 : 250	2 Output	400 MHz		LP-HCSL	VQFN-20	LP-HCSL	400 MHz	1.71 V	3.6 V	LMKDB1202	- 40 C	+ 105 C
Clock Buffer DB2000QL-compliant 2 0-output clock buff LMKDB1120Z85NPPR Texas Instruments 1: $8.396 245In Stock	Mfr. Part # LMKDB1120Z85NPPR Mouser Part # 595-LMKDB1120Z85NPPR	Texas Instruments	Clock Buffer DB2000QL-compliant 2 0-output clock buff Learn More about Texas Instruments ti lmkdb1 ultra low jitter clock buffers	Datasheet	245In Stock	$8.396 $6.482 $5.993 $5.469 View $5.298 $4.500	Min.: 1 Mult.: 1	20 Output	400 MHz	1 ns	LP-HCSL	TLGA-80	LP-HCSL	400 MHz	1.71 V	3.6 V	LMKDB1120	- 40 C	+ 105 C
Clock Buffer 2-input 4-output LP- HCSL clock MUX for LMKDB1204REXT Texas Instruments 1: $7.485 39In Stock 2.500Expected 4/23/2027	Mfr. Part # LMKDB1204REXT Mouser Part # 595-LMKDB1204REXT	Texas Instruments	Clock Buffer 2-input 4-output LP- HCSL clock MUX for Learn More about Texas Instruments ti lmkdb12xx lp hcsl clock multiplexers	Datasheet	39In Stock 2.500Expected 4/23/2027	Cut Tape $7.485 $5.742 $5.309 $4.739 Reel $4.512 MouseReel Available	Min.: 1 Mult.: 1 : 250	4 Output			LP-HCSL	VQFN-28	Differential	400 MHz	1.71 V	3.6 V	LMKDB1204	- 40 C	+ 105 C
Clock Buffer 2-input 4-output LP- HCSL clock MUX for LMKDB1204REXR Texas Instruments 1: $6.220 6.000Expected 2/25/2027	Mfr. Part # LMKDB1204REXR Mouser Part # 595-LMKDB1204REXR	Texas Instruments	Clock Buffer 2-input 4-output LP- HCSL clock MUX for Learn More about Texas Instruments ti lmkdb12xx lp hcsl clock multiplexers	Datasheet	6.000Expected 2/25/2027	$6.220 $4.751 $4.386 $3.976 View $3.782 $3.737 $3.452	Min.: 1 Mult.: 1	4 Output			LP-HCSL	VQFN-28	Differential	400 MHz	1.71 V	3.6 V	LMKDB1204	- 40 C	+ 105 C
Clock Buffer High performance com pliant two output s LMKDB1102REYR Texas Instruments 1: $4.625 2.570Expected 5/31/2027	Mfr. Part # LMKDB1102REYR Mouser Part # 595-LMKDB1102REYR	Texas Instruments	Clock Buffer High performance com pliant two output s Learn More about Texas Instruments ti lmkdb1 ultra low jitter clock buffers	Datasheet	2.570Expected 5/31/2027	Cut Tape $4.625 $3.441 $3.156 $2.825 View Reel $2.632 $2.666 $2.632 $2.632 MouseReel Available	Min.: 1 Mult.: 1 : 3.000	5 Output			LP-HCSL	VQFN-20	LP-HCSL	400 MHz	1.71 V	3.6 V	LMKDB1102	- 40 C	+ 105 C
Clock Buffer 4-output LP-HCSL clo ck buffer for PCIe LMKDB1104Z85REXT Texas Instruments 1: $5.400 750Expected 5/10/2027	Mfr. Part # LMKDB1104Z85REXT Mouser Part # 595-LMKDB1104Z85REXT	Texas Instruments	Clock Buffer 4-output LP-HCSL clo ck buffer for PCIe Learn More about Texas Instruments ti lmkdb1 ultra low jitter clock buffers	Datasheet	750Expected 5/10/2027	Cut Tape $5.400 $4.090 $3.771 $3.406 Reel $3.224 View $3.076 $2.996 $2.962 MouseReel Available	Min.: 1 Mult.: 1 : 250	4 Output	400 MHz		LP-HCSL	VQFN-28	LP-HCSL	400 MHz	1.71 V	3.6 V	LMKDB1104	- 40 C	+ 105 C
Clock Buffer 8-output LP-HCSL clo ck buffer for PCIe LMKDB1108Z100RKPT Texas Instruments 1: $8.237 500Expected 5/31/2027	Mfr. Part # LMKDB1108Z100RKPT Mouser Part # 595-LMKDB1108Z100RKT	Texas Instruments	Clock Buffer 8-output LP-HCSL clo ck buffer for PCIe Learn More about Texas Instruments ti lmkdb1 ultra low jitter clock buffers	Datasheet	500Expected 5/31/2027	Cut Tape $8.237 $6.346 $5.879 $5.355 Reel $5.115 MouseReel Available	Min.: 1 Mult.: 1 : 250	8 Output	400 MHz	1 ns	LP-HCSL	VQFN-40	LP-HCSL	400 MHz	1.71 V	3.6 V	LMKDB1108	- 40 C	+ 105 C
Clock Buffer DB2000QL-compliant 2 0-output clock buff LMKDB1120Z100NPPR Texas Instruments 1: $8.385 371Expected 1/21/2027	Mfr. Part # LMKDB1120Z100NPPR Mouser Part # 595-LMKDB1120Z100NPR	Texas Instruments	Clock Buffer DB2000QL-compliant 2 0-output clock buff Learn More about Texas Instruments ti lmkdb1 ultra low jitter clock buffers	Datasheet	371Expected 1/21/2027	$8.385 $6.460 $5.981 $5.343 View $5.093 $5.081 $4.694	Min.: 1 Mult.: 1	20 Output	400 MHz	1 ns	LP-HCSL	TLGA-80	LP-HCSL	400 MHz	1.71 V	3.6 V	LMKDB1120	- 40 C	+ 105 C
Clock Buffer High performance 1:12-output clock buffer for PCIe 80-LGA -40 to 105 LMKDB1112Z85ZSFT Texas Instruments 1: $7.964 250Expected 11/12/2026 New Product	Mfr. Part # LMKDB1112Z85ZSFT Mouser Part # 595-LMKDB1112Z85ZSFT New Product	Texas Instruments	Clock Buffer High performance 1:12-output clock buffer for PCIe 80-LGA -40 to 105 Learn More about Texas Instruments ti lmkdb1 ultra low jitter clock buffers	Datasheet	250Expected 11/12/2026	Cut Tape $7.964 $6.107 $5.639 $5.127 Reel $5.024 View $4.819 $4.717 $4.694 MouseReel Available	Min.: 1 Mult.: 1 : 250	12 Output	400 MHz	1 ns	LPHCSL	LGA-80	LPHCSL	400 MHz	1.8 V	3.3 V	LMKDB1112	- 40 C	+ 105 C
Clock Buffer High performance 1:12-output clock buffer for PCIe 80-LGA -40 to 105 LMKDB1112Z100ZSFT Texas Instruments 1: $7.964 250Expected 11/12/2026 New Product	Mfr. Part # LMKDB1112Z100ZSFT Mouser Part # 595-MKDB1112Z100ZSFT New Product	Texas Instruments	Clock Buffer High performance 1:12-output clock buffer for PCIe 80-LGA -40 to 105 Learn More about Texas Instruments ti lmkdb1 ultra low jitter clock buffers	Datasheet	250Expected 11/12/2026	Cut Tape $7.964 $6.107 $5.639 $5.127 Reel $5.127 MouseReel Available	Min.: 1 Mult.: 1 : 250	12 Output	400 MHz	1 ns	LPHCSL	LGA-80	LPHCSL	400 MHz	1.8 V	3.3 V	LMKDB1112	- 40 C	+ 105 C
Clock Buffer 4-output LP-HCSL clo ck buffer for PCIe LMKDB1104Z100REXR Texas Instruments 1: $4.853 Non-Stocked Lead-Time 26 Weeks	Mfr. Part # LMKDB1104Z100REXR Mouser Part # 595-LMKDB1104Z100RER	Texas Instruments	Clock Buffer 4-output LP-HCSL clo ck buffer for PCIe Learn More about Texas Instruments ti lmkdb1 ultra low jitter clock buffers This product may require additional documentation to export from the United States.	Datasheet	Non-Stocked Lead-Time 26 Weeks	Cut Tape $4.853 $3.657 $3.361 $3.030 $2.882 Reel $2.882	Min.: 1 Mult.: 1 : 3.000	4 Output			LP-HCSL	VQFN-28	LP-HCSL	400 MHz	1.71 V	3.6 V	LMKDB1104	- 40 C	+ 105 C
Clock Buffer 4-output LP-HCSL clo ck buffer for PCIe LMKDB1104Z85REXR Texas Instruments 1: $4.853 Non-Stocked Lead-Time 26 Weeks	Mfr. Part # LMKDB1104Z85REXR Mouser Part # 595-LMKDB1104Z85REXR	Texas Instruments	Clock Buffer 4-output LP-HCSL clo ck buffer for PCIe Learn More about Texas Instruments ti lmkdb1 ultra low jitter clock buffers	Datasheet	Non-Stocked Lead-Time 26 Weeks	Cut Tape $4.853 $3.657 $3.361 $3.030 View Reel $2.711 $2.871 $2.848 $2.723 $2.711 MouseReel Available	Min.: 1 Mult.: 1 : 3.000	4 Output	400 MHz		LP-HCSL	VQFN-28	LP-HCSL	400 MHz	1.71 V	3.6 V	LMKDB1104	- 40 C	+ 105 C
Clock Buffer 8-output LP-HCSL clo ck buffer for PCIe LMKDB1108Z100RKPR Texas Instruments 1: $7.064 Non-Stocked Lead-Time 26 Weeks	Mfr. Part # LMKDB1108Z100RKPR Mouser Part # 595-LMKDB1108Z100RKR	Texas Instruments	Clock Buffer 8-output LP-HCSL clo ck buffer for PCIe Learn More about Texas Instruments ti lmkdb1 ultra low jitter clock buffers This product may require additional documentation to export from the United States.	Datasheet	Non-Stocked Lead-Time 26 Weeks	Cut Tape $7.064 $5.389 $4.979 $4.512 $4.500 Reel $3.942 MouseReel Available	Min.: 1 Mult.: 1 : 2.500	8 Output	400 MHz	1 ns	LP-HCSL	VQFN-40	LP-HCSL	400 MHz	1.71 V	3.6 V	LMKDB1108	- 40 C	+ 105 C
Clock Buffer 8-output LP-HCSL clo ck buffer for PCIe LMKDB1108Z85RKPR Texas Instruments 1: $7.064 Non-Stocked Lead-Time 26 Weeks	Mfr. Part # LMKDB1108Z85RKPR Mouser Part # 595-LMKDB1108Z85RKPR	Texas Instruments	Clock Buffer 8-output LP-HCSL clo ck buffer for PCIe Learn More about Texas Instruments ti lmkdb1 ultra low jitter clock buffers This product may require additional documentation to export from the United States.	Datasheet	Non-Stocked Lead-Time 26 Weeks	Cut Tape $7.064 $5.389 $4.979 $4.512 View Reel $3.999 $4.295 $4.204 $4.181 $3.999 MouseReel Available	Min.: 1 Mult.: 1 : 2.500	8 Output	400 MHz	1 ns	LP-HCSL	VQFN-40	LP-HCSL	400 MHz	1.71 V	3.6 V	LMKDB1108	- 40 C	+ 105 C
Clock Buffer High performance 1:1 2-output clock buff LMKDB1112Z85ZSFR Texas Instruments 2.500: $3.908 Non-Stocked Lead-Time 26 Weeks New Product	Mfr. Part # LMKDB1112Z85ZSFR Mouser Part # 595-LMKDB1112Z85ZSFR New Product	Texas Instruments	Clock Buffer High performance 1:1 2-output clock buff Learn More about Texas Instruments ti lmkdb1 ultra low jitter clock buffers	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel $3.908	Min.: 2.500 Mult.: 2.500 : 2.500	12 Output	400 MHz			LGA-80		400 MHz	1.71 V	3.6 V		- 40 C	+ 105 C
Clock Buffer DB2000QL-compliant 2 0-output clock buff LMKDB1120Z100NPPT Texas Instruments 1: $10.778 Lead-Time 26 Weeks	Mfr. Part # LMKDB1120Z100NPPT Mouser Part # 595-LMKDB1120Z100NPT	Texas Instruments	Clock Buffer DB2000QL-compliant 2 0-output clock buff Learn More about Texas Instruments ti lmkdb1 ultra low jitter clock buffers	Datasheet	Lead-Time 26 Weeks	$10.778 $8.385 $7.781 $7.120 View $6.756 $6.619 $6.471 Quote	Min.: 1 Mult.: 1	20 Output	400 MHz	1 ns	LP-HCSL	TLGA-80	LP-HCSL	400 MHz	1.71 V	3.6 V	LMKDB1120	- 40 C	+ 105 C
Clock Buffer 2-input 2-output LP- HCSL clock MUX for LMKDB1202REYR Texas Instruments 1: $4.432 Non-Stocked Lead-Time 26 Weeks	Mfr. Part # LMKDB1202REYR Mouser Part # 595-LMKDB1202REYR	Texas Instruments	Clock Buffer 2-input 2-output LP- HCSL clock MUX for Learn More about Texas Instruments ti lmkdb12xx lp hcsl clock multiplexers	Datasheet	Non-Stocked Lead-Time 26 Weeks	Cut Tape $4.432 $3.327 $3.053 $2.757 View Reel $2.392 $2.609 $2.529 $2.495 $2.392 MouseReel Available	Min.: 1 Mult.: 1 : 3.000	2 Output	400 MHz		LP-HCSL	VQFN-20	LP-HCSL	400 MHz	1.71 V	3.6 V	LMKDB1202	- 40 C	+ 105 C
Clock Buffer Four-output LP-HCSL clock buffer for PCI LMKDB1104FS85REXR Texas Instruments 1: $5.480 Non-Stocked Lead-Time 26 Weeks New Product	Mfr. Part # LMKDB1104FS85REXR Mouser Part # 595-MKDB1104FS85REXR New Product	Texas Instruments	Clock Buffer Four-output LP-HCSL clock buffer for PCI	Datasheet	Non-Stocked Lead-Time 26 Weeks	Cut Tape $5.480 $4.147 $3.817 $3.452 View Reel $2.894 $3.281 $3.236 $3.122 $2.894 MouseReel Available	Min.: 1 Mult.: 1 : 3.000	4 Output	400 MHz		LP-HCSL	VQFN-28	LP-HCSL	400 MHz	1.71 V	3.6 V	LMKDB1104	- 40 C	+ 105 C
Clock Buffer Eight-output LP-HCSL clock buffer for PC LMKDB1108FS85RKPR Texas Instruments 3.000: $4.261 Non-Stocked Lead-Time 26 Weeks New Product	Mfr. Part # LMKDB1108FS85RKPR Mouser Part # 595-MKDB1108FS85RKPR New Product	Texas Instruments	Clock Buffer Eight-output LP-HCSL clock buffer for PC	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel $4.261	Min.: 3.000 Mult.: 3.000 : 3.000	8 Output	400 MHz		LP-HCSL	VQFN-40	LP-HCSL	400 MHz	1.71 V	3.6 V	LMKDB1108	- 40 C	+ 105 C
Clock Buffer High performance 1:12-output clock buffer for PCIe 80-LGA -40 to 105 LMKDB1112Z100ZSFR Texas Instruments 2.500: $4.272 Non-Stocked Lead-Time 26 Weeks New Product	Mfr. Part # LMKDB1112Z100ZSFR Mouser Part # 595-MKDB1112Z100ZSFR New Product	Texas Instruments	Clock Buffer High performance 1:12-output clock buffer for PCIe 80-LGA -40 to 105	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel $4.272	Min.: 2.500 Mult.: 2.500 : 2.500	12 Output	400 MHz	1 ns	LPHCSL	LGA-80	LPHCSL	400 MHz	1.8 V	3.3 V	LMKDB1112	- 40 C	+ 105 C
Clock Buffer DB2000QL-compliant 2 0-output clock buff LMKDB1120FS85NPPR Texas Instruments 4.000: $5.617 Non-Stocked Lead-Time 26 Weeks New Product	Mfr. Part # LMKDB1120FS85NPPR Mouser Part # 595-MKDB1120FS85NPPR New Product	Texas Instruments	Clock Buffer DB2000QL-compliant 2 0-output clock buff	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel $5.617	Min.: 4.000 Mult.: 4.000 : 4.000	20 Output	400 MHz		LP-HCSL	TLGA-80	LP-HCSL		1.71 V	3.6 V	LMKDB1120	- 40 C	+ 105 C

LMKDB1 Ultra-Low Jitter Clock Buffers

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LMKDB1 Ultra-Low Jitter Clock Buffers

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