Texas Instruments LMKDB1120FS85NPPR
Manufacturer No:
LMKDB1120FS85NPPR
Manufacturer:
Texas Instruments
Package:
Description:
DB2000QL-compliant 20-output clock buffer for PCIe Gen 1 to Gen 7
Quantity:
In Stock :9587
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Expected Shipping：Fri, May 29 - Sat, May 30, 2026
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Date Code：Within 2 Years
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LMKDB1120FS85NPPR Information
Texas Instruments LMKDB1120FS85NPPR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments LMKDB1120FS85NPPR.
- Type
- Parameter
- Function
- Clock buffer, Differential
- Additive RMS jitter (typ) (fs)
- 19.2
- Output frequency (max) (MHz)
- 400
- Number of outputs
- 20
- Output supply voltage (V)
- 1.8, 3.3
- Core supply voltage (V)
- 1.8, 3.3
- Output skew (ps)
- 50
- Features
- 1:20 fanout, DB2000QL compliant, Individual output enable control, OE# control, SMBus control, Side-Band Interface
- Operating temperature range (°C)
- -40 to 105
- Rating
- Catalog
- Type
- Parameter
- Output type
- LP-HCSL
- Input type
- LP-HCSL
- Package
- TLGA (NPP)
- Pins
- 80
- Size
- 36 mm² 6 x 6
- REACH Status
- Yes
- RoHS Status
- RoHS Compliant
Download datasheets and manufacturer documentation for Texas Instruments LMKDB1120FS85NPPR.
Data sheet:
Application note:
User guide:
White paper:
Certificate:
The LMKDB devices are a family of extremely-low-jitter LP-HCSL buffers that support PCIe Gen 1 to Gen 7 and are DB2000QL compliant. The devices provide flexible power-up sequence, fail-safe inputs, fail-safe outputs, individual output active and inactive 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 7
- 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
- 2.1fs maximum additive jitter for PCIe Gen 7
- Fail-safe input
- Fail-safe outputs (LMKDB1120FS, LMKDB1108FS and LMKDB1104FS only)
- 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
AIChipLink – Your Trusted Electronic Components Distributor
12.28 M
Listed Part Number
3,000+
Leading Manufacturers
4.9 M
In-stock SKU
15,000+
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