microcontroller

STC90C54RD+40I-LQFP44

Symbol
P1.51P1.62P1.73P4.7/RST4RXD/P3.05INT2#/P4.36TXD/P3.17INT0#/P3.28INT1#/P3.39T0/P3.410T1/P3.511P3.6/WR#12P3.7/RD#13XTAL214XTAL115GND16P4.0/SS17P2.0/A818P2.1/A919P2.2/A1020P2.3/A1121P2.4/A1222P1.444P1.343P1.242P1.141T2/P1.040INT3#/P4.239VCC38P0.037P0.136P0.235P0.334P0.433P0.532P0.631P0.730P4.629P4.128ALE/P4.527NA/P4.426P2.7/A1525P2.6/A1424P2.5/A1323
Footprint
1234567891011121314151617181920212223242526272829303132333435363738394041424344
3D Model
Pin Map
PinNameTypeMountShapeWidth × Height (mm)
P1.5passiveSMDoval0.42×1.67
P1.6passiveSMDoval0.42×1.67
P1.7passiveSMDoval0.42×1.67
P4.7/RSTpassiveSMDoval0.42×1.67
RXD/P3.0inputSMDoval0.42×1.67
INT2#/P4.3passiveSMDoval0.42×1.67
TXD/P3.1outputSMDoval0.42×1.67
INT0#/P3.2passiveSMDoval0.42×1.67
INT1#/P3.3passiveSMDoval0.42×1.67
T0/P3.4passiveSMDoval0.42×1.67
T1/P3.5passiveSMDoval0.42×1.67
P3.6/WR#passiveSMDoval1.67×0.42
P3.7/RD#passiveSMDoval1.67×0.42
XTAL2passiveSMDoval1.67×0.42
XTAL1passiveSMDoval1.67×0.42
GNDgroundSMDoval1.67×0.42
P4.0/SSpassiveSMDoval1.67×0.42
P2.0/A8passiveSMDoval1.67×0.42
P2.1/A9passiveSMDoval1.67×0.42
P2.2/A10passiveSMDoval1.67×0.42
P2.3/A11passiveSMDoval1.67×0.42
P2.4/A12passiveSMDoval1.67×0.42
P2.5/A13passiveSMDoval0.42×1.67
P2.6/A14passiveSMDoval0.42×1.67
P2.7/A15passiveSMDoval0.42×1.67
NA/P4.4passiveSMDoval0.42×1.67
ALE/P4.5passiveSMDoval0.42×1.67
P4.1passiveSMDoval0.42×1.67
P4.6passiveSMDoval0.42×1.67
P0.7passiveSMDoval0.42×1.67
P0.6passiveSMDoval0.42×1.67
P0.5passiveSMDoval0.42×1.67
P0.4passiveSMDoval0.42×1.67
P0.3inputSMDoval1.67×0.42
P0.2outputSMDoval1.67×0.42
P0.1ioSMDoval1.67×0.42
P0.0passiveSMDoval1.67×0.42
VCCpowerSMDoval1.67×0.42
INT3#/P4.2passiveSMDoval1.67×0.42
T2/P1.0passiveSMDoval1.67×0.42
P1.1passiveSMDoval1.67×0.42
P1.2passiveSMDoval1.67×0.42
P1.3passiveSMDoval1.67×0.42
P1.4passiveSMDoval1.67×0.42

Key Parameters

Frequency
40MHz

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View Datasheet

Details

Category
microcontroller
MPN
STC90C54RD+40I-LQFP44
Manufacturer
STC Micro
Package
LQFP-44(10x10)
Footprint
LQFP-44_L10.0-W10.0-P0.80-LS12.0-BL
JLCPCB
C43046
LCSC
C43046
Lifecycle
active
Mounting
SMT
RoHS
Compliant
MSL
MSL 3

JLCPCB Stock & Pricing

Out of Stock(0 pcs)
1-9 pcs$1.7446
10-29 pcs$1.4571
30-159 pcs$1.2996
160-479 pcs$1.1229
480-959 pcs$1.0442
960-1599 pcs$1.0089
1600-3199 pcs$0.9960
3200+ pcs$0.9880