參數(shù)資料
型號(hào)： TSPC740A
英文描述： TSPC750A/740A [Updated 3/02. 44 Pages] 32-bit RISC Microprocessor. 200-266 MHz
中文描述： TSPC750A/740A [更新3月2日。 44頁(yè)] 32位RISC微處理器。 200-266兆赫
文件頁(yè)數(shù)： 33/44頁(yè)
文件大?。?/td> 870K
代理商： TSPC740A
33
TSPC750A/740A
2128A–HIREL–01/02
Thesecapacitorsshouldvaryinvaluefrom220pFto10μFtoprovidebothhigh-and
low-frequencyfiltering,andshouldbeplacedascloseaspossibletotheirassociated
V
DD
orOV
DD
pins.SuggestedvaluesfortheV
DD
pins-220pF(ceramic),0.01μF
(ceramic),and0.1μF(ceramic).SuggestedvaluesfortheOV
DD
pins—0.01μF
(ceramic),0.1μF(ceramic),and10μF(tantalum).OnlySMT(surfacemounttechnol-
ogy)capacitorsshouldbeusedtominimizeleadinductance.
Inaddition,itisrecommendedthattherebeseveralbulkstoragecapacitorsdistributed
aroundthePCB,feedingtheV
DD
andOV
DD
planes,toenablequickrechargingofthe
smallerchipcapacitors.ThesebulkcapacitorsshouldhavealowESR(equivalent
seriesresistance)ratingtoensurethequickresponsetimenecessary.Theyshouldalso
beconnectedtothepowerandgroundplanesthroughtwoviastominimizeinductance.
Suggestedbulkcapacitors-100μF(AVXTPStantalum)or330μF(AVXTPStantalum).
Connection
Recommendations
Toensurereliableoperation,itishighlyrecommendedtoconnectunusedinputstoan
appropriatesignallevel.UnusedactivelowinputsshouldbetiedtoV
DD
.Unusedactive
highinputsshouldbeconnectedtoGND.AllNC(no-connect)signalsmustremain
unconnected.
PowerandgroundconnectionsmustbemadetoallexternalV
DD
,OV
DD
,andGNDpins
oftheTSPC750A.
Externalclockroutingshouldensurethattherising-edgeoftheL2clockiscoincidentat
theCLKinputofallSRAMsandattheL2SYNC_INinputoftheTSPC750A.The
L2CLKOUTAnetworkcouldbeusedonly,ortheL2CLKOUTBnetworkcouldalsobe
useddependingontheloading,frequency,andnumberofSRAMs.
OutputBufferDC
Impedance
TheTSPC750A60xandL2I/Odriverswerecharacterizedoverprocess,voltage,and
temperature.TomeasureZ
0
,anexternalresistorisconnectedtothechippad,eitherto
OV
DD
orOGND.Then,thevalueofsuchresistorisvarieduntilthepadvoltageis
OV
DD
/2;seeFigure22.
Theoutputimpedanceisactuallytheaverageoftwocomponents,theresistancesofthe
pull-upandpull-downdevices.WhenDataisheldlow,SW1isclosed(SW2isopen),
andR
N
istrimmeduntilPad = OV
DD
/2.R
N
thenbecomestheresistanceofthepull-down
devices.WhenDataisheldhigh,SW2isclosed(SW1isopen),andR
P
istrimmeduntil
Pad=OV
DD
/2.R
P
thenbecomestheresistanceofthepull-updevices.Withaproperly
designeddriverR
P
andR
N
areclosetoeachotherinvalue.ThenZ
0
=(R
P
+R
N
)/2.
相關(guān)PDF資料
PDF描述
TSPC750A TSPC750A/740A [Updated 3/02. 44 Pages] 32-bit RISC Microprocessor. 200-266 MHz
TSPC750AMG10LE Microprocessor
TSPC750AMG10LH Microprocessor
TSPC750AMG12LE Microprocessor
TSPC750AMG12LH Microprocessor
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TSPC750A 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:TSPC750A/740A [Updated 3/02. 44 Pages] 32-bit RISC Microprocessor. 200-266 MHz
TSPC750AMG10LE 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Microprocessor
TSPC750AMG10LH 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Microprocessor
TSPC750AMG12LE 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Microprocessor
TSPC750AMG12LH 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Microprocessor
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫(xiě)一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*