microcontroller

STC90C52RC-40I-LQFP44

Symbol
P1.51P1.62P1.73RST4RXD/P3.05P4.3/#INT26TXD/P3.17#INT0/P3.28#INT1/P3.39T0/P3.410T1/P3.511P3.6/#WR12P3.7/#RD13XTAL214XTAL115GND16P4.017P2.018P2.119P2.220P2.321P2.422P1.444P1.343P1.242P1.1/T2EX41T2/P1.040P4.2/#INT339VCC38P0.037P0.136P0.235P0.334P0.433P0.532P0.631P0.730#EA/P4.629P4.128ALE/P4.527#PSEN/P4.426P2.725P2.624P2.523
Footprint
1234567891011121314151617181920212223242526272829303132333435363738394041424344
3D Model
Pin Map
PinNameTypeMountShapeWidth × Height (mm)
P1.5inputSMDoval0.42×1.67
P1.6outputSMDoval0.42×1.67
P1.7ioSMDoval0.42×1.67
RSTinputSMDoval0.42×1.67
RXD/P3.0inputSMDoval0.42×1.67
P4.3/#INT2passiveSMDoval0.42×1.67
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/#WRpassiveSMDoval1.67×0.42
P3.7/#RDpassiveSMDoval1.67×0.42
XTAL2passiveSMDoval1.67×0.42
XTAL1passiveSMDoval1.67×0.42
GNDgroundSMDoval1.67×0.42
P4.0passiveSMDoval1.67×0.42
P2.0passiveSMDoval1.67×0.42
P2.1passiveSMDoval1.67×0.42
P2.2passiveSMDoval1.67×0.42
P2.3passiveSMDoval1.67×0.42
P2.4passiveSMDoval1.67×0.42
P2.5passiveSMDoval0.42×1.67
P2.6passiveSMDoval0.42×1.67
P2.7passiveSMDoval0.42×1.67
#PSEN/P4.4passiveSMDoval0.42×1.67
ALE/P4.5passiveSMDoval0.42×1.67
P4.1passiveSMDoval0.42×1.67
#EA/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
P0.3passiveSMDoval1.67×0.42
P0.2passiveSMDoval1.67×0.42
P0.1passiveSMDoval1.67×0.42
P0.0passiveSMDoval1.67×0.42
VCCpowerSMDoval1.67×0.42
P4.2/#INT3passiveSMDoval1.67×0.42
T2/P1.0passiveSMDoval1.67×0.42
P1.1/T2EXpassiveSMDoval1.67×0.42
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
STC90C52RC-40I-LQFP44
Manufacturer
STC Micro
Package
LQFP-44(10x10)
Footprint
LQFP-44_L10.0-W10.0-P0.80-LS12.0-BL
JLCPCB
C91838
LCSC
C91838
Lifecycle
active
Mounting
SMT
RoHS
Compliant
MSL
MSL 3

JLCPCB Stock & Pricing

Out of Stock(0 pcs)
1-9 pcs$1.0362
10-29 pcs$0.8579
30-159 pcs$0.7599
160-479 pcs$0.6314
480-959 pcs$0.5832
960-1599 pcs$0.5607
1600-3199 pcs$0.5527
3200+ pcs$0.5478