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LMK1C1102DQFR

2-channel output LVCMOS 1.8-V buffer

LMK1C1102DQFR General Description

The LMK1C110x is a modular, high-performance, low-skew, general-purpose clock buffer family from Texas Instruments. The entire family is designed with a modular approach in mind. Three different fan-out variations, 1:2, 1:3, 1:4, are available.

All of the devices within this family are pin-compatible to each other and backwards compatible to the CDCLVC110x family for easy handling.

All family members share the same high performing characteristics such as low additive jitter, low skew, and wide operating temperature range.

The LMK1C110x supports a synchronous output enable control (1G) which switches the outputs into a low state when 1G is low. These devices have a fail-safe input that prevents oscillation at the outputs in the absence of an input signal and allows for input signals before VDD is supplied.

The LMK1C110x family operates in a 1.8-V, 2.5-V and 3.3-V environment and are characterized for operation from –40°C to 125°C.

Texas Instruments, Inc Inventory

Key Features

  • High-performance 1:2, 1:3 or 1:4 LVCMOS clock buffer
  • Very low output skew < 50 ps
  • Extremely low additive jitter < 50 fs maximum
    • 7.5 fs typical at VDD = 3.3 V
    • 10 fs typical at VDD = 2.5 V
    • 19.2 fs typical at VDD = 1.8 V
  • Very low propagation delay < 3 ns
  • Synchronous output enable
  • Supply voltage: 3.3 V, 2.5 V, or 1.8 V
    • 3.3-V tolerant input at all supply voltages
    • Fail-safe inputs
  • fmax = 250 MHz for 3.3 V fmax = 200 MHz for 2.5 V and 1.8 V
  • Operating temperature range: –40°C to 125°C
  • Available in 8-pin TSSOP package
  • Available in 8-pin WSON package
Texas Instruments, Inc Original Stock
Texas Instruments, Inc Inventory

Specifications

Category Integrated Circuits (ICs)Clock/TimingClock Buffers, Drivers Series -
Type Clock Buffer Number of Circuits 1
Ratio - Input:Output 1:2 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
Function Clock buffer, Level translator, Single-ended Additive RMS jitter (typ) (fs) 19.2
Output frequency (max) (MHz) 250 Number of outputs 2
Output supply voltage (V) 1.8, 2.5, 3.3 Core supply voltage (V) 1.8, 2.5, 3.3
Output skew (ps) 25 Features 1:2 fanout, Synchronous output enable
Operating temperature range (°C) -40 to 125 Rating Catalog
Output type LVCMOS Input type LVCMOS
feature-maximum-operating-supply-voltage-v 3.465 feature-minimum-operating-supply-voltage-v 1.71
feature-packaging Tape and Reel feature-rad-hard
feature-pin-count 8 feature-cecc-qualified
feature-esd-protection feature-escc-qualified
feature-military No feature-aec-qualified No
feature-aec-qualified-number feature-auto-motive No
feature-p-pap No feature-eccn-code EAR99
feature-svhc feature-svhc-exceeds-threshold No

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Ratings and Reviews

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E
E**a 01/16/2024

Works like described

5
P
P**a 06/02/2023

item tested works with Arduino nano Uno R3 etc. I have also tested with RF-NANO. very fun sensor to test. dht11/dht22 sensors are also a good alternative.

11
Z
Z**r 05/12/2023

Came quickly all in working condition packed not very well but lucky all board whole

7
E
E**y 12/26/2021

Exellent seller!Thank you!

3

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