851S201CKILF IDT Integrated Circuit (Quad Flat No-Lead) In Stock

The 851S201I is a high performance 2:2 Differential-to-HCSL Multiplexer with a 2 output fanout buffer. The 851S201I operates up to 250MHz and accepts HCSL and other low level differential inputs levels. Input level detection circuitry is available to flag input levels that drops below a specified value and on the selected input. This signal is latched until the status is reset via the alarm reset input. The 851S201I is packaged in a small 3 x 3 mm 16 lead VFQFN package, making it ideal for use on space cons

OBSOLETEIntegrated CircuitVerified Jul 2026
Package / Visual Reference
851S201CKILFQuad Flat No-Lead
Quick Facts
Manufacturer
IDT
Package
Quad Flat No-Lead
Pin Count
16
Lifecycle
OBSOLETE
Category
Integrated Circuit
Temp Range
-40.0°C to 85.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

Key Features

  • Integrated Circuit from IDT identified by manufacturer part number 851S201CKILF
  • Documented technical context includes 2 output for engineering comparison
  • Package or mechanical reference recorded as Quad Flat No-Lead for footprint checks
  • Suitable for BOM sourcing, alternate review, repair stocking, and production procurement workflows
  • Datasheet-backed context should be matched against voltage, current, timing, package, and lifecycle requirements before approval

Applications

851S201CKILF is typically sourced for embedded electronics, industrial controls, communications equipment, and production BOM maintenance where buyers need a manufacturer-traceable integrated circuit with verifiable datasheet context. It is suitable for engineering replacement reviews, prototype builds, and production purchasing workflows that must confirm package fit, lifecycle risk, and key ratings such as 2 output.

Specifications

Pbfree CodeYes
Manufacturer Package CodeNLG16P2
YTEOL0
Family851S
Input ConditioningDIFFERENTIAL MUX
JESD-30 CodeS-XQCC-N16
JESD-609 Codee3
Logic IC TypeLOW SKEW CLOCK DRIVER
Number of Functions1
Number of True Outputs4
Package Body MaterialUNSPECIFIED
Package ShapeSQUARE
Package StyleCHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Cel)260
Power Supply Current-Max (ICC)44mA
Prop. Delay@Nom-Sup1.7ns
Propagation Delay (tpd)1.7ns
Same Edge Skew-Max (tskwd)0.034ns
Supply Voltage-Max (Vsup)3.465V
Supply Voltage-Min (Vsup)3.135V
Supply Voltage-Nom (Vsup)3.3V
Surface MountYES
Temperature GradeINDUSTRIAL
Terminal FinishMatte Tin (Sn)
Terminal FormNO LEAD
Terminal Pitch0.5mm
Terminal PositionQUAD
fmax-Min250MHz
PackageQuad Flat No-Lead

Compliance & Regulatory

RoHS StatusCompliant
Lead-FreeYes (Pb-Free)
Moisture Sensitivity LevelMSL 3
ECCNEAR99
HTS Code8542.39.00.01

Datasheet

851S201CKILF Datasheet Download

Official datasheet from IDT

Alternate & Equivalent Parts

No known alternates. Submit an RFQ and our team can suggest alternatives.

Frequently Asked Questions

Does 851S201CKILF fit designs that require 2 output?

It can be considered when the target circuit needs a integrated circuit and the engineering review confirms 2 output against the official datasheet. Buyers should also verify package fit, lifecycle status, and manufacturer traceability before release.

How should buyers verify 2 output before approving 851S201CKILF?

Compare 2 output with the schematic requirement, qualified alternates, and procurement documentation before purchasing. The value should be checked together with package information, application temperature needs, and supplier lot traceability.

Which package and sourcing checks matter for 851S201CKILF from IDT?

The recorded package reference is Quad Flat No-Lead, so purchasing and engineering teams should confirm footprint compatibility, assembly handling, and approved-source documentation. Keep 2 output in the review notes so substitutes are screened against the same requirement.

Related Guides

Why Buy from FindMyChip

Authorized Source
Verified supply chain with full traceability & inspection
Competitive Pricing
Factory-direct from China distributors, low MOQ
Fast Shipping
DHL Express 3–5 days · FedEx/UPS 5–7 days worldwide
Quality Guaranteed
30-day replacement for defective parts, no questions asked

About IDT

IDT is a leading electronic component manufacturer. FindMyChip sources IDT ICs directly from authorized China distributors, offering competitive pricing and reliable stock.

AvailabilityIn Stock
Reference Price (USD)
Contact for Price
Buy from 1pc · Factory-direct pricing
pcs

In Stock · 24h Response · Worldwide Shipping

Lead Time3-7 business days
MOQFrom 1 piece
ShippingDHL / FedEx / UPS
OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.

RP
Rajesh Patel
Procurement Manager, VoltEdge Energy, India