ic

CH9121A

Symbol
NC1VCC332GND3RXP4RXN5NC6TXP7TXN8GND9XI10XO11VCC3312GND13NC14NC15NC16NC17GND18VDDK19GND2020VCCIO21NC22NC23NC24NC25NC26NC27VDDK28VCCIO29TCPCS130RUN3131CFGEN32NC64VCCIO63NC62NC61CFG60RESET59TXD158RXD157TXD256RXD255NC54LINK53ACT52TNOW151NC50NC49NC48NC47TNOW246VCCIO45GND44VDDK43NC42GND41VCCIO40NC39NC38GND37RSTI36NC35NC34TCPCS233
Footprint
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3D Model
Pin Map
PinNameTypeMountShapeWidth × Height (mm)
NCncSMDoval0.3×1.5
VCC33outputSMDoval0.3×1.5
GNDgroundSMDoval0.3×1.5
RXPpassiveSMDoval0.3×1.5
RXNpassiveSMDoval0.3×1.5
NCncSMDoval0.3×1.5
TXPpassiveSMDoval0.3×1.5
TXNpassiveSMDoval0.3×1.5
GNDgroundSMDoval0.3×1.5
XIpassiveSMDoval0.3×1.5
XOpassiveSMDoval0.3×1.5
VCC33passiveSMDoval0.3×1.5
GNDgroundSMDoval0.3×1.5
NCncSMDoval0.3×1.5
NCncSMDoval0.3×1.5
NCncSMDoval0.3×1.5
NCncSMDoval1.5×0.3
GNDgroundSMDoval1.5×0.3
VDDKpassiveSMDoval1.5×0.3
GND20passiveSMDoval1.5×0.3
VCCIOpassiveSMDoval1.5×0.3
NCncSMDoval1.5×0.3
NCncSMDoval1.5×0.3
NCncSMDoval1.5×0.3
NCncSMDoval1.5×0.3
NCncSMDoval1.5×0.3
NCncSMDoval1.5×0.3
VDDKpassiveSMDoval1.5×0.3
VCCIOpassiveSMDoval1.5×0.3
TCPCS1passiveSMDoval1.5×0.3
RUN31passiveSMDoval1.5×0.3
CFGENpassiveSMDoval1.5×0.3
TCPCS2passiveSMDoval0.3×1.5
NCncSMDoval0.3×1.5
NCncSMDoval0.3×1.5
RSTIpassiveSMDoval0.3×1.5
GNDgroundSMDoval0.3×1.5
NCncSMDoval0.3×1.5
NCncSMDoval0.3×1.5
VCCIOpassiveSMDoval0.3×1.5
GNDgroundSMDoval0.3×1.5
NCncSMDoval0.3×1.5
VDDKpassiveSMDoval0.3×1.5
GNDgroundSMDoval0.3×1.5
VCCIOpassiveSMDoval0.3×1.5
TNOW2passiveSMDoval0.3×1.5
NCncSMDoval0.3×1.5
NCncSMDoval0.3×1.5
NCncSMDoval1.5×0.3
NCncSMDoval1.5×0.3
TNOW1passiveSMDoval1.5×0.3
ACTpassiveSMDoval1.5×0.3
LINKpassiveSMDoval1.5×0.3
NCncSMDoval1.5×0.3
RXD2passiveSMDoval1.5×0.3
TXD2passiveSMDoval1.5×0.3
RXD1passiveSMDoval1.5×0.3
TXD1passiveSMDoval1.5×0.3
RESETinputSMDoval1.5×0.3
CFGpassiveSMDoval1.5×0.3
NCncSMDoval1.5×0.3
NCncSMDoval1.5×0.3
VCCIOpassiveSMDoval1.5×0.3
NCncSMDoval1.5×0.3

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Details

Category
ic
MPN
CH9121A
Manufacturer
WCH(Jiangsu Qin Heng)
Package
LQFP-64M(10x10)
Footprint
LQFP-64_L10.0-W10.0-P0.50-LS12.0-BL
JLCPCB
C42435783
LCSC
C42435783
Lifecycle
active
Mounting
SMT
RoHS
Compliant

JLCPCB Stock & Pricing

In Stock(341 pcs)
1-9 pcs$4.2105
10-29 pcs$3.6097
30-159 pcs$3.2514
160-479 pcs$2.8900
480-959 pcs$2.7229
960+ pcs$2.6474