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tps2220a,tps2223a
tps2224a,tps2226a
SLVS428B–MAY2002–REVISEDSEPTEMBER2004
TerminalFunctions
终端
非.i/odescription
名字
TPS2220ATPS2223ATPS2224ATPS2226A
3.3v1313,1413,1415,16,17i3.3-vinputforcardpowerandchippower
5v1,21,2,241,2,241,2,30i5-vinputforcardpower
12-vinputforcardpower(xvpp).thetwo12-vpinsmustbe
12v7,20na7,207,24i
externallyconnected.
switchedoutputthatdelivers3.3v,5v,groundorhighimpedanceto
avcc9,109,109,109,10,11o
card
switchedoutputthatdelivers3.3v,5v,12v,groundorhigh
AVPP8888O
impedancetocard(12vnotapplicabletotps2223a)
switchedoutputthatdelivers3.3v,5v,groundorhighimpedanceto
bvcc--17,1817,1820,21,22o
card
switchedoutputthatdelivers3.3v,5v,12v,groundorhigh
bvpp--191923o
impedancetocard(12vnotapplicablefortps2223a)
GND11111112Ground
打开-drainovercurrentreportingoutputthatgoeslowwhenan
OC15151518O
overcurrentconditionexists.anexternalpullupisrequired.
hi-z(打开)allswitches.identicalfunctiontoseriald8.异步的
SHDN21212125I
起作用的-lowcommand,internalpullup
逻辑-levelresetinputactivelow.asynchronousactive-lowcom-
RESET12121214I
mand,internalpullup
clock4444ilogic-levelclockforserialdataword
data3333ilogic-levelserialdataword
latch5555ilogic-levellatchforserialdataword,internalpulldown
6,14,16,6,13,19,
6,7,16,6,16,22,
nc17,18,19,26,27,28,nointernalconnection
20,22,2323
22,23,2429
9
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