GTL2010BS-T [NXP]

NXP bidirectional low-voltage translators; 恩智浦的双向低电压转换器


型号：	GTL2010BS-T
厂家：	NXP
描述：	NXP bidirectional low-voltage translators 恩智浦的双向低电压转换器转换器
文件：	总2页 (文件大小：263K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

4ꢀ

Propagationꢀdelay:ꢀ1.5ꢀnsꢀ(typ)

Channelꢀoff-stateꢀcapacitance:ꢀ7.5ꢀpF

Veryꢀlowꢀ(5ꢀµA)ꢀstandbyꢀcurrent

Eachꢀdeliversꢀhigh-speedꢀtranslationꢀ

betweenꢀdifferentꢀvoltageꢀlevelsꢀwithꢀ

Noꢀpowerꢀsupplyꢀrequiredꢀ–ꢀpreventsꢀ lowꢀON-stateꢀresistanceꢀandꢀminimalꢀ

4ꢀ

VeryꢀsmallꢀQFNꢀpackageꢀoptions

4ꢀ

Uni-ꢀandꢀbidirectionalꢀtranslationꢀforꢀ

theyꢀofferꢀgreaterꢀdesignꢀﬂexibilityꢀthanꢀ

level-shiftingꢀbusꢀswitches,ꢀwhichꢀonlyꢀ

translateꢀbetweenꢀﬁxedꢀvoltages.ꢀ

characteristicsꢀsoꢀdeviationꢀfromꢀoneꢀ

outputꢀtoꢀanotherꢀinꢀvoltageꢀandꢀ

propagationꢀdelayꢀisꢀkeptꢀtoꢀaꢀminimum.ꢀ

Theꢀtransistorsꢀalsoꢀprovideꢀexcellentꢀ

ESDꢀprotectionꢀinꢀcaseꢀtheꢀlow-voltageꢀ

devicesꢀthatꢀareꢀlessꢀresistantꢀtoꢀESD.ꢀ

4ꢀ

Noꢀdirectionalꢀcontrolꢀrequiredꢀforꢀ

NXP bidirectional

low-voltage translators

GTL20xx

Low cost bidirectional voltage

Headline

translation without directional control

Unlikeꢀlevel-shiftingꢀbusꢀswitches,ꢀwhichꢀonlyꢀtranslateꢀbetweenꢀﬁxedꢀvoltages,ꢀtheseꢀbidirectionalꢀ

low-voltageꢀtranslatorsꢀcanꢀtranslateꢀanyꢀvoltageꢀbetweenꢀ1ꢀandꢀ5ꢀVꢀtoꢀanyꢀotherꢀvoltageꢀbetweenꢀ

1ꢀandꢀ5ꢀV.ꢀTheyꢀalsoꢀreduceꢀON-stateꢀresistanceꢀandꢀminimizeꢀpropagationꢀdelay.

Key features

TheꢀNXPꢀfamilyꢀofꢀGunningꢀTransceiverꢀ

Logicꢀ(GTL)ꢀbidirectionalꢀlow-voltageꢀ

translatorsꢀincludesꢀtheꢀ22-bitꢀGTL2000,ꢀ

theꢀ2-bitꢀGTL2002,ꢀtheꢀ8-bitꢀGTL2003,ꢀ

andꢀtheꢀ10-bitꢀGTL2010.ꢀ

WhenꢀoneꢀofꢀtheꢀSnꢀorꢀDnꢀportsꢀisꢀlow,ꢀ

theꢀclampꢀisꢀinꢀtheꢀON-stateꢀandꢀtheꢀSnꢀ

andꢀDnꢀportsꢀareꢀlinkedꢀthroughꢀaꢀlowꢀ

ON-resistanceꢀconnection.ꢀAssumingꢀtheꢀ

higherꢀvoltageꢀisꢀappliedꢀonꢀtheꢀDnꢀport,ꢀ

whenꢀtheꢀDnꢀportꢀisꢀhigh,ꢀtheꢀvoltageꢀonꢀ

theꢀSnꢀportꢀisꢀlimitedꢀtoꢀtheꢀvoltageꢀsetꢀ

byꢀS_REF.ꢀWhenꢀtheꢀSnꢀportꢀisꢀhigh,ꢀtheꢀDnꢀ

portꢀisꢀpulledꢀtoꢀaꢀhigherꢀvoltageꢀbyꢀaꢀ

pull-upꢀresistor.

bidirectionalꢀvoltageꢀtranslations

LowꢀRONꢀresistanceꢀ(6.5ꢀΩ)ꢀbetweenꢀ

inputꢀandꢀoutputꢀpinsꢀ(Sn/Dn)

latch-ups

propagationꢀdelay.ꢀ

Theyꢀcanꢀtranslateꢀanyꢀvoltageꢀbetweenꢀ

1ꢀandꢀ5ꢀVꢀtoꢀanyꢀotherꢀvoltageꢀbetweenꢀ

1ꢀandꢀ5ꢀVꢀasꢀlongꢀasꢀthereꢀisꢀatꢀleastꢀ1ꢀVꢀ

Thisꢀset-upꢀenablesꢀseamlessꢀtranslationꢀ

betweenꢀuser-selectedꢀvoltages,ꢀwithoutꢀ

theꢀneedꢀforꢀdirectionalꢀcontrolꢀsignals.ꢀ

Applications

anyꢀvoltageꢀbetweenꢀ1ꢀandꢀ5ꢀV

Bidirectionalꢀtranslationꢀofꢀlow-

voltageꢀandꢀlegacyꢀI²C-busꢀsignals

ShiftingꢀprocessorꢀsidebandꢀI/Oꢀ

signalsꢀbetweenꢀGTLꢀandꢀLVTTL/TTLꢀ

levels

differenceꢀbetweenꢀtheꢀvoltageꢀlevels,ꢀsoꢀ Allꢀtransistorsꢀhaveꢀtheꢀsameꢀelectricalꢀ

EachꢀGTL20xxꢀdeviceꢀincludesꢀNMOSꢀ

passꢀtransistorsꢀ(SnꢀandꢀDnꢀpins)ꢀwithꢀaꢀ

commonꢀgateꢀ(G_REFꢀpin)ꢀandꢀaꢀreferenceꢀ

transistorꢀ(S_REFꢀandꢀD_REFꢀpins).ꢀ

Theꢀtranslatorsꢀcanꢀbeꢀusedꢀinꢀanyꢀ

applicationꢀthatꢀrequiresꢀuni-ꢀorꢀ

toꢀS_REFꢀandꢀtheꢀoutputꢀofꢀeachꢀDnꢀhasꢀaꢀ

maximumꢀoutputꢀvoltageꢀequalꢀtoꢀtheꢀ

Forꢀup-onlyꢀtranslation,ꢀaꢀpull-upꢀresistorꢀ

isꢀrequiredꢀonꢀtheꢀhigh-sideꢀvoltageꢀ(Dn).ꢀ

bidirectionalꢀvoltageꢀtranslationꢀforꢀ

voltageꢀlevelsꢀbetweenꢀ1ꢀandꢀ5ꢀV.ꢀ

Theꢀopen-drainꢀconstruction,ꢀwhichꢀ

eliminatesꢀtheꢀneedꢀforꢀdirectionalꢀ

control,ꢀmakesꢀtheꢀtranslatorsꢀidealꢀforꢀ

voltageꢀofꢀtheꢀpull-upꢀresistorꢀ(3.3ꢀand/orꢀ Thisꢀisꢀbecauseꢀtheꢀtranslatorꢀwillꢀonlyꢀ

5ꢀV).

passꢀtheꢀreferenceꢀsourceꢀvoltageꢀ(S_REF)ꢀ

asꢀaꢀhighꢀwhenꢀdoingꢀup-translation.ꢀTheꢀ

driverꢀonꢀtheꢀlow-sideꢀvoltageꢀonlyꢀneedsꢀ

aꢀpull-upꢀresistorꢀifꢀitꢀisꢀsetꢀasꢀopenꢀdrain.ꢀ

Unidirectional voltage translation

designsꢀthatꢀcombineꢀlow-voltageꢀ(1.0ꢀtoꢀ Theꢀsameꢀconﬁgurationꢀcanꢀbeꢀusedꢀforꢀ

1.8ꢀV)ꢀandꢀlegacyꢀ(3.3ꢀand/orꢀ5.5ꢀV)ꢀI²C-

busꢀsignals.ꢀTheꢀtranslatorsꢀcanꢀchangeꢀ

I²C-busꢀsignalꢀlevelsꢀatꢀspeedsꢀupꢀtoꢀ3.4ꢀ

MHz.

one-wayꢀvoltageꢀtranslation,ꢀeitherꢀupꢀ

orꢀdown.ꢀForꢀdown-onlyꢀtranslation,ꢀifꢀ

theꢀchipsetꢀI/Oꢀareꢀopenꢀdrain,ꢀpull-upꢀ

resistorsꢀareꢀrequired.

Forꢀmoreꢀinformationꢀonꢀusingꢀtheꢀ

GTL20xxꢀfamily,ꢀpleaseꢀreferꢀtoꢀ

ApplicationꢀNoteꢀAN10145ꢀatꢀwww.nxp.

com/interface.

Theꢀtranslatorsꢀcanꢀalsoꢀbeꢀusedꢀinꢀ

designsꢀthatꢀcombineꢀGTLꢀandꢀLVTTL/

TTLꢀsignals,ꢀshiftingꢀprocessorꢀsidebandꢀ

I/Oꢀsignalsꢀbetweenꢀvoltageꢀlevels.

GND

REF

GTL2002

GTL2003

1.8V

1.5V

1.2V

1.0V

Bidirectional voltage translation

Toꢀconﬁgureꢀtheꢀtranslatorsꢀforꢀ

bidirectionalꢀclamping,ꢀtheꢀG_REFꢀinputꢀ

mustꢀbeꢀconnectedꢀtoꢀD_REFꢀandꢀbothꢀ

pinsꢀmustꢀbeꢀpulledꢀtoꢀtheꢀhigh-sideꢀ

V_CCꢀthroughꢀaꢀpull-upꢀresistorꢀ(typicallyꢀ

200ꢀkΩ).ꢀAꢀﬁlterꢀcapacitorꢀonꢀD_REFꢀisꢀ

recommended.

GTL2010

Totem Pole or

Open Drain I/O

200 K7

GTL2002

GND

REF

CORE

CPU I/O

Chipset I/O

3.3V

Increase bit size by using

8-bit GTL2003 or 10-bit

GTL2010 or 22-bit GTL2000

Chipset I/O

TheꢀCPUꢀoutputꢀcanꢀbeꢀsetꢀasꢀtotemꢀ

poleꢀorꢀopenꢀdrainꢀ(pull-upꢀresistorsꢀmayꢀ

beꢀrequired),ꢀasꢀcanꢀtheꢀchipsetꢀoutputꢀ

(pull-upꢀresistorsꢀareꢀrequiredꢀtoꢀpullꢀ

theꢀDnꢀoutputsꢀtoꢀV_CC).ꢀNoꢀdirectionalꢀ

controlꢀisꢀneededꢀifꢀbothꢀoutputsꢀareꢀsetꢀ

asꢀopenꢀdrain.ꢀIfꢀeitherꢀoutputꢀisꢀsetꢀtoꢀ

totemꢀpole,ꢀhowever,ꢀthereꢀmayꢀbeꢀhigh-

to-lowꢀcontentionsꢀinꢀeitherꢀdirection.ꢀToꢀ

preventꢀthis,ꢀsetꢀdataꢀasꢀunidirectionalꢀ

orꢀuseꢀ3-stateableꢀoutputsꢀwithꢀaꢀ

GTL20xx pinout diagram

Typical conﬁguration for bidirectional voltage translation

Ordering information

Package

Container GTL2000

GTL2002

GTL2003

GTL2010

Tube

T&R

Tube

T&R

Tube

T&R

GTL2002D

GTL2002D-T

SSOP

GTL2000DL

GTL2000DL-T

GTL2000DGG

mechanismꢀforꢀdirectionꢀcontrol.ꢀ

TSSOP

GTL2003PW

GTL2010PW

GTL2000DGG-T GTL2002DP-T GTL2003PW-T GTL2010PW-T

TheꢀoppositeꢀsideꢀofꢀS_REFꢀisꢀconnectedꢀ

toꢀtheꢀCPUꢀpower-supplyꢀvoltage.ꢀWhenꢀ

D_REFꢀisꢀconnectedꢀthroughꢀaꢀ200-kΩꢀ

resistorꢀtoꢀV_CCꢀandꢀS_REFꢀisꢀsetꢀbetweenꢀ1.0ꢀ

andꢀV_CCꢀminusꢀ1.5ꢀV,ꢀtheꢀoutputꢀofꢀeachꢀ

HVQFN

GTL2010BS-T

DHVQFN T&R

GTL2003BQ-T --

VSSOP

XQFN

T&R

GTL2002DC-T --

GTL2002GM-T --

Note: In Europe and Asia, for tube orders, add “, 112” (e.g. GTL2010PW, 112), and for tape and

Snꢀhasꢀaꢀmaximumꢀoutputꢀvoltageꢀequalꢀ reel orders, replace “-T” with “, 118” (e.g. GTL2010PW, 118).

www.nxp.com

Date of release: March 2007

Document order number: 9397 750 15911

Printed in the USA

information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and

may be changed without notice. No liability will be accepted by the publisher for any consequence of its use. Publication thereof

does not convey nor imply any license under patent or other industrial or intellectual property rights.

相关型号：