microcontroller

ATTINY841-MU

Symbol
(PCINT4/ADC4/AIN11/TOCC3/T1/RXD1/SCL/SCK)PA41(PCINT3/ADC3/AIN10/TOCC2/T0/XCK0/SCK)PA32(PCINT2/ADC2/AIN01/TOCC1/RXD0/SS#)PA23(PCINT1/ADC1/AIN00/TOCC0/TXD0/MOSI)PA14(PCINT0/ADC0/AREF/MISO)PA05DNC6DNC7GND8VCC9DNC10PB0(PCINT8/ADC11/XTAL1/CLKI)11EP21PA5(PCINT5/ADC5/ACO0/TOCC4/T2/TXD1/MISO)20DNC19DNC18DNC17PA6(PCINT6/ADC6/ACO1/TOCC5/XCK1/SDA/MOSI)16PA7(PCINT7/ADC7/TOCC6/ICP1/TXD0/SS#)15PB2(PCINT10/ADC8/CLKO/TOCC7/ICP2/RXD0)14PB3(PCINT11/ADC9/RESET#/dW)13PB1(PCINT9/ADC10/XTAL2/INT0)12
Footprint
161718192012345678910211514131211
3D Model
Pin Map
PinNameTypeMountShapeWidth × Height (mm)
(PCINT4/ADC4/AIN11/TOCC3/T1/RXD1/SCL/SCK)PA4inputSMDroundrect0.28×0.8
(PCINT3/ADC3/AIN10/TOCC2/T0/XCK0/SCK)PA3outputSMDroundrect0.28×0.8
(PCINT2/ADC2/AIN01/TOCC1/RXD0/SS#)PA2ioSMDroundrect0.28×0.8
(PCINT1/ADC1/AIN00/TOCC0/TXD0/MOSI)PA1passiveSMDroundrect0.28×0.8
(PCINT0/ADC0/AREF/MISO)PA0passiveSMDroundrect0.28×0.8
DNCncSMDroundrect0.8×0.28
DNCncSMDroundrect0.8×0.28
GNDgroundSMDroundrect0.8×0.28
VCCpowerSMDroundrect0.8×0.28
DNCncSMDroundrect0.8×0.28
PB0(PCINT8/ADC11/XTAL1/CLKI)passiveSMDroundrect0.28×0.8
PB1(PCINT9/ADC10/XTAL2/INT0)passiveSMDroundrect0.28×0.8
PB3(PCINT11/ADC9/RESET#/dW)passiveSMDroundrect0.28×0.8
PB2(PCINT10/ADC8/CLKO/TOCC7/ICP2/RXD0)passiveSMDroundrect0.28×0.8
PA7(PCINT7/ADC7/TOCC6/ICP1/TXD0/SS#)passiveSMDroundrect0.28×0.8
PA6(PCINT6/ADC6/ACO1/TOCC5/XCK1/SDA/MOSI)passiveSMDroundrect0.8×0.28
DNCncSMDroundrect0.8×0.28
DNCncSMDroundrect0.8×0.28
DNCncSMDroundrect0.8×0.28
PA5(PCINT5/ADC5/ACO0/TOCC4/T2/TXD1/MISO)passiveSMDroundrect0.8×0.28
EPpassiveSMDroundrect2.6×2.6

Key Parameters

Frequency
16MHz

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Details

Category
microcontroller
MPN
ATTINY841-MU
Manufacturer
Microchip Technology
Package
QFN-20-EP(4x4)
Footprint
QFN-20_L4.0-W4.0-P0.50-BL-EP2.6
JLCPCB
C614144
LCSC
C614144
Lifecycle
active
Mounting
SMT
RoHS
Compliant
MSL
MSL 3
ECCN
EAR99

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