Texas Instruments SN74LVC2G157DCUR Handleiding

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Design

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property mattersand other important disclaimers. PRODUCTION DATA.

SN74LVC2G157

SCES207N– APRIL1999 – REVISEDMARCH2019

SN74LVC2G157 Single 2-Line to 1-Line data selector multiplexer

1

1 Features

1

•Availablein the TexasInstruments

NanoFree™ package

•Supports 5-VVCC operation

•Inputs acceptvoltages to5.5 V

•Max tpd of 6ns at3.3 V

•Lowpowerconsumption,10-µAMaximumI CC

•±24-mA Outputdrive at3.3 V

•Typical VOLP (Output ground bounce)

<0.8 Vat VCC = 3.3V, TA= 25°C

•Typical VOHV (Output VOH undershoot)

>2 Vat VCC = 3.3 V,TA= 25°C

• Io Supports liveinsertion, partial-power-down

mode, andback-drive protection

•Canbe usedas adown translatorto translate

inputsfrom amaximum of5.5 Vdown

to theVCC Level

•Latch-upperformance exceeds100 mAper

JESD 78,Class II

•ESD Protection exceeds JESD22

–2000-V Human body model(A114-A)

–1000-V Charged-devicemodel (C101)

2 Applications

•Barcode scanner

•Cable solutions

• E-books

•Embedded PC

•Field transmitter:temperature orpressure sensors

•Fingerprint biometrics

•HVAC: Heating, ventilating, andair conditioning

•Network-attached storage(NAS)

•Server motherboardand PSU

•Software denedradio (SDR)

•TV:High denition(HDTV), LCD,and digital

•Video communicationssystems

•Wireless data access cards,headsets, keyboards,

mice, andLAN cards

3 Description

Thissingle 2-lineto 1-linedata selectormultiplexer is

designed for1.65-V to5.5-V VCC operation.

The SN74LVC2G157 device features a common

strobe (G) input. Whenthe strobe is high, Y is low

and Y is high. When the strobeis low, asingle bitis

selected from one of two sources and is routed to the

outputs. The device providestrue andcomplementary

data.

NanoFree™ package technology isa major

breakthrough in ICpackaging concepts, using thedie

as the package.

This device is fully specied for partial-power-down

applications using Io. The Io circuitry disablesthe

outputs, preventing damaging current backow

through the device whenit ispowered down.

Device Information(1)

PART NUMBERPACKAGEBODY SIZE (NOM)

SN74LVC2G157DCTSSOP (8)2.95 mm× 2.80 mm

SN74LVC2G157DCUVSSOP (8)2.30 mm× 2.00 mm

SN74LVC2G157YZPDSBGA (8)1.91 mm× 0.91 mm

(1)Forall available packages, see the orderable addendum at

the end of the data sheet.

Logic Diagram(Positive Logic)

Product specificaties