Datasheet

PCA9555
www.ti.com .........................................................................................................................................................SCPS131E–AUGUST2005–REVISEDMAY2008
TERMINALFUNCTIONS
NO.
SOIC(D),
SSOP(DB),
NAMEDESCRIPTION
QSOP(DBQ),QFN(RGE)
TSSOP(PW),AND
TVSOP(DGV)
122INTInterruptoutput.ConnecttoV
CC
throughapullupresistor.
223A1Addressinput1.ConnectdirectlytoV
CC
orground.
324A2Addressinput2.ConnectdirectlytoV
CC
orground.
41P00P-portinput/output.Push-pulldesignstructure.
52P01P-portinput/output.Push-pulldesignstructure.
63P02P-portinput/output.Push-pulldesignstructure.
74P03P-portinput/output.Push-pulldesignstructure.
85P04P-portinput/output.Push-pulldesignstructure.
96P05P-portinput/output.Push-pulldesignstructure.
107P06P-portinput/output.Push-pulldesignstructure.
118P07P-portinput/output.Push-pulldesignstructure.
129GNDGround
1310P10P-portinput/output.Push-pulldesignstructure.
1411P11P-portinput/output.Push-pulldesignstructure.
1512P12P-portinput/output.Push-pulldesignstructure.
1613P13P-portinput/output.Push-pulldesignstructure.
1714P14P-portinput/output.Push-pulldesignstructure.
1815P15P-portinput/output.Push-pulldesignstructure.
1916P16P-portinput/output.Push-pulldesignstructure.
2017P17P-portinput/output.Push-pulldesignstructure.
2118A0Addressinput0.ConnectdirectlytoV
CC
orground.
2219SCLSerialclockbus.ConnecttoV
CC
throughapullupresistor.
2320SDASerialdatabus.ConnecttoV
CC
throughapullupresistor.
2421V
CC
Supplyvoltage
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Not Recommended for New Designs