LMKDB1104Z85REXT

4-output LP-HCSL clock buffer for PCIe Gen 1 to Gen 6

Manufacturer：

Luminary Micro/Texas Instruments

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Manufacturer NO：

LMKDB1104Z85REXT

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Product SN：

10426-LMKDB1104Z85REXT

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Package/Case：

VQFN (REX)-28

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Manufacturer Lead Time：

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Datasheet:

LMKDB1104Z85REXT Datasheet PDF

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Detailed Descripition：

1:20 fanout, Individual output enable control, OE# control, SMBus control, Side-Band Interface

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Product Application Field：None

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Quantity

Product price

Qty

Unit Price

Ext Price

1000

$1.488

$1488

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Documents & Media

Datasheets PDF LMKDB1104Z85REXT Datasheet PDF

Product Description

The LMKDB devices 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, as well as excellent power supply noise rejection performance.

Both 1.8V and 3.3V supply voltages are supported. For LMKDB1120, 1.8V power supply saves 250mW power compared to 3.3V.

LP-HCSL clock buffer and clock MUX that support:
- PCIe Gen 1 to Gen 6
- CC (Common Clock) and IR (Independent Reference) PCIe architectures
- Input clock with or without SSC
DB2000QL compliant:
- All devices meet DB2000QL specifications
- LMKDB1120 is pin-compatible to DB2000QL
Extremely low additive jitter:
- 31fs maximum 12kHz to 20MHz RMS additive jitter at 156.25MHz
- 13fs maximum additive jitter for PCIe Gen 4
- 5fs maximum additive jitter for PCIe Gen 5
- 3fs maximum additive jitter for PCIe Gen 6
Fail-safe input
Flexible power-up sequence
Automatic output disable
Individual output enable
SBI (Side Band Interface) for high-speed output enable or disable
LOS (Loss of Signal) input detection
85Ω or 100Ω output impedance
1.8V / 3.3V ± 10% power supply
–40°C to 105°C ambient temperature