microcontroller

ATMEGA644-20MUR

Symbol
PB5(PCINT13/MOSI)1PB6(PCINT14/MISO)2PB7(PCINT15/SCK)3RESET#4VCC5GND6XTAL27XTAL18PD0(PCINT24/RXD0)9PD1(PCINT25/TXD0)10PD2(PCINT26/RXD1/INT0)11PD3(PCINT27/TXD1/INT1)12PD4(PCINT28/XCK1/OC1B)13PD5(PCINT29/OC1A)14PD6(PCINT30/OC2B/ICP)15PD7(PCINT31/OC2A)16VCC17GND18PC0(PCINT16/SCL)19PC1(PCINT17/SDA)20PC2(PCINT18/TCK)21PC3(PCINT19/TMS)22PC4(TDO/PCINT20)23EP45PB4(SS#/OC0B/PCINT12)44PB3(AIN1/OC0A/PCINT11)43PB2(AIN0/INT2/PCINT10)42PB1(T1/CLKO/PCINT9)41PB0(XCK0/T0/PCINT8)40GND39VCC38PA0(ADC0/PCINT0)37PA1(ADC1/PCINT1)36PA2(ADC2/PCINT2)35PA3(ADC3/PCINT3)34PA4(ADC4/PCINT4)33PA5(ADC5/PCINT5)32PA6(ADC6/PCINT6)31PA7(ADC7/PCINT7)30AREF29GND28AVCC27PC7(TOSC2/PCINT23)26PC6(TOSC1/PCINT22)25PC5(TDI/PCINT21)24
Footprint
123456789101112131415161718192021222324252627282930313233343536373839404142434445
3D Model
Pin Map
PinNameTypeMountShapeWidth × Height (mm)
PB5(PCINT13/MOSI)inputSMDoval1.3×0.3
PB6(PCINT14/MISO)outputSMDoval1.3×0.3
PB7(PCINT15/SCK)ioSMDoval1.3×0.3
RESET#passiveSMDoval1.3×0.3
VCCpowerSMDoval1.3×0.3
GNDgroundSMDoval1.3×0.3
XTAL2passiveSMDoval1.3×0.3
XTAL1passiveSMDoval1.3×0.3
PD0(PCINT24/RXD0)passiveSMDoval1.3×0.3
PD1(PCINT25/TXD0)passiveSMDoval1.3×0.3
PD2(PCINT26/RXD1/INT0)passiveSMDoval1.3×0.3
PD3(PCINT27/TXD1/INT1)passiveSMDoval0.3×1.3
PD4(PCINT28/XCK1/OC1B)passiveSMDoval0.3×1.3
PD5(PCINT29/OC1A)passiveSMDoval0.3×1.3
PD6(PCINT30/OC2B/ICP)passiveSMDoval0.3×1.3
PD7(PCINT31/OC2A)passiveSMDoval0.3×1.3
VCCpowerSMDoval0.3×1.3
GNDgroundSMDoval0.3×1.3
PC0(PCINT16/SCL)passiveSMDoval0.3×1.3
PC1(PCINT17/SDA)passiveSMDoval0.3×1.3
PC2(PCINT18/TCK)passiveSMDoval0.3×1.3
PC3(PCINT19/TMS)passiveSMDoval0.3×1.3
PC4(TDO/PCINT20)passiveSMDoval1.3×0.3
PC5(TDI/PCINT21)passiveSMDoval1.3×0.3
PC6(TOSC1/PCINT22)passiveSMDoval1.3×0.3
PC7(TOSC2/PCINT23)passiveSMDoval1.3×0.3
AVCCpassiveSMDoval1.3×0.3
GNDgroundSMDoval1.3×0.3
AREFpassiveSMDoval1.3×0.3
PA7(ADC7/PCINT7)passiveSMDoval1.3×0.3
PA6(ADC6/PCINT6)passiveSMDoval1.3×0.3
PA5(ADC5/PCINT5)passiveSMDoval1.3×0.3
PA4(ADC4/PCINT4)passiveSMDoval1.3×0.3
PA3(ADC3/PCINT3)passiveSMDoval0.3×1.3
PA2(ADC2/PCINT2)passiveSMDoval0.3×1.3
PA1(ADC1/PCINT1)passiveSMDoval0.3×1.3
PA0(ADC0/PCINT0)passiveSMDoval0.3×1.3
VCCpowerSMDoval0.3×1.3
GNDgroundSMDoval0.3×1.3
PB0(XCK0/T0/PCINT8)passiveSMDoval0.3×1.3
PB1(T1/CLKO/PCINT9)passiveSMDoval0.3×1.3
PB2(AIN0/INT2/PCINT10)passiveSMDoval0.3×1.3
PB3(AIN1/OC0A/PCINT11)passiveSMDoval0.3×1.3
PB4(SS#/OC0B/PCINT12)passiveSMDoval0.3×1.3
EPpassiveSMDroundrect5.2×5.2

Key Parameters

Frequency
20MHz

Save parts to a list and design PCBs from them

View Datasheet

Details

Category
microcontroller
MPN
ATMEGA644-20MUR
Manufacturer
Microchip Technology
Package
VQFN-44-EP(7x7)
Footprint
VQFN-44_L7.0-W7.0-P0.50-BL-EP5.2
JLCPCB
C1339278
LCSC
C1339278
Lifecycle
active
Mounting
SMT
RoHS
Compliant
MSL
MSL 3
ECCN
EAR99

JLCPCB Stock & Pricing

Out of Stock(0 pcs)
1-9 pcs$12.6875
10-29 pcs$10.9429
30-99 pcs$9.8040
100-101 pcs$8.9124
102-103 pcs$8.9124
104+ pcs$8.9124