LMK1C1104DQFT
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Texas Instruments LMK1C1104DQFT

Manufacturer No:
LMK1C1104DQFT
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC POWER
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Payment:
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Product Introduction

Overview

The LMK1C1104DQFT is a high-performance, low-skew, general-purpose clock buffer IC from Texas Instruments. It is part of the LMK1C110x family, which is designed with a modular approach, offering fan-out variations of 1:2, 1:3, and 1:4. This device is particularly suited for applications requiring accurate and reliable clocking functionality across various industries.

Key Specifications

ParameterValue
ManufacturerTexas Instruments
SeriesLMK1C1104
Number of Outputs4 Output
Maximum Input Frequency250 MHz (at 3.3 V), 200 MHz (at 2.5 V and 1.8 V)
Supply Voltage - Max3.465 V
Supply Voltage - Min1.71 V
Propagation Delay - Max2 ns
Minimum Operating Temperature-40°C
Maximum Operating Temperature+125°C
Mounting StyleSMD/SMT
Input TypeLVCMOS
Output TypeLVCMOS
Package8-pin WSON (DQF)

Key Features

  • High-performance 1:4 LVCMOS clock buffer with very low output skew (< 50 ps) and extremely low additive jitter (< 50 fs maximum)
  • Synchronous output enable control (1G) to switch outputs into a low state when 1G is low
  • Fail-safe inputs to prevent oscillation at the outputs in the absence of an input signal and allow for input signals before VDD is supplied
  • Supply voltage options: 3.3 V, 2.5 V, or 1.8 V
  • 3.3-V tolerant input at all supply voltages
  • Low power consumption
  • Wide operating temperature range: –40°C to 125°C

Applications

The LMK1C1104DQFT is versatile and can be used in various industries, including:

  • Factory automation and control
  • Telecommunications equipment
  • Data center and enterprise computing
  • Grid infrastructure
  • Motor drives
  • Medical imaging

Q & A

  1. What is the maximum input frequency of the LMK1C1104DQFT?
    The maximum input frequency is 250 MHz at 3.3 V and 200 MHz at 2.5 V and 1.8 V.
  2. What are the supply voltage options for the LMK1C1104DQFT?
    The device operates at 3.3 V, 2.5 V, or 1.8 V.
  3. What is the output skew of the LMK1C1104DQFT?
    The output skew is less than 50 ps.
  4. Does the LMK1C1104DQFT have fail-safe inputs?
    Yes, it has fail-safe inputs that prevent oscillation at the outputs in the absence of an input signal and allow for input signals before VDD is supplied.
  5. What is the operating temperature range of the LMK1C1104DQFT?
    The operating temperature range is –40°C to 125°C.
  6. What package types are available for the LMK1C1104DQFT?
    The device is available in an 8-pin WSON (DQF) package.
  7. Can the outputs of the LMK1C1104DQFT be disabled?
    Yes, the outputs can be disabled by driving the synchronous output enable pin (1G) low.
  8. Is the LMK1C1104DQFT compatible with other devices in the LMK1C110x family?
    Yes, all devices in the LMK1C110x family are pin-compatible and backwards compatible to the CDCLVC110x family.
  9. What is the typical additive jitter of the LMK1C1104DQFT?
    The typical additive jitter is 7.5 fs at VDD = 3.3 V, 10 fs at VDD = 2.5 V, and 19.2 fs at VDD = 1.8 V.
  10. What is the propagation delay of the LMK1C1104DQFT?
    The propagation delay is less than 3 ns.

Product Attributes

Type:Clock Buffer
Number of Circuits:1
Ratio - Input:Output:1:4
Differential - Input:Output:No/No
Input:Clock, LVCMOS
Output:Clock, LVCMOS
Frequency - Max:250 MHz
Voltage - Supply:1.71V ~ 1.89V, 2.375V ~ 2.625V, 3.135V ~ 3.465V
Operating Temperature:-40°C ~ 125°C (TA)
Mounting Type:Surface Mount
Package / Case:8-WFDFN
Supplier Device Package:8-WSON (2x2)
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Similar Products

Part Number LMK1C1104DQFT LMK1C1102DQFT LMK1C1104DQFR
Manufacturer Texas Instruments Texas Instruments Texas Instruments
Product Status Active Active Active
Type Clock Buffer Clock Buffer Clock Buffer
Number of Circuits 1 1 1
Ratio - Input:Output 1:4 1:2 1:4
Differential - Input:Output No/No No/No No/No
Input Clock, LVCMOS Clock, LVCMOS Clock, LVCMOS
Output Clock, LVCMOS Clock, LVCMOS Clock, LVCMOS
Frequency - Max 250 MHz 250 MHz 250 MHz
Voltage - Supply 1.71V ~ 1.89V, 2.375V ~ 2.625V, 3.135V ~ 3.465V 1.71V ~ 1.89V, 2.375V ~ 2.625V, 3.135V ~ 3.465V 1.71V ~ 1.89V, 2.375V ~ 2.625V, 3.135V ~ 3.465V
Operating Temperature -40°C ~ 125°C (TA) -40°C ~ 125°C (TA) -40°C ~ 125°C (TA)
Mounting Type Surface Mount Surface Mount Surface Mount
Package / Case 8-WFDFN 8-WFDFN 8-WFDFN
Supplier Device Package 8-WSON (2x2) 8-WSON (2x2) 8-WSON (2x2)

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