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AT89C2051-24SU
Microchip TechnologyRoHS 
RoHS compliant
RoHS compliantPackage 20-SOIC (0.295, 7.50mm Width)
Category Embedded - Microcontrollers / Embedded - Microcontrollers
Description
8051 Mcu, 20 Pins, Uart, 2K Flash - 24MHZ, SOIC, Ind Temp, Green, 4V - 5.5V
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Inventory: 959
Minimum: 1
Total Price: USD $1.94
Unit Price: USD $1.9361
≥1 USD $1.9361
≥10 USD $1.5884
≥100 USD $1.539
≥500 USD $1.4896
≥1000 USD $1.43925
Technical Details
Supply Chain
Factory Lead Time 10 Weeks
Physical
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 20-SOIC (0.295, 7.50mm Width)
Number of Pins 20
Technical
Operating Temperature -40°C~85°C TA
Packaging Tube
Published 1996
Series 89C
JESD-609 Code e3
Pbfree Code yes
Part Status Active
Moisture Sensitivity Level (MSL) 2 (1 Year)
Number of Terminations 20
Subcategory Microcontrollers
Technology CMOS
Terminal Position DUAL
Terminal Form GULL WING
Peak Reflow Temperature (Cel) 250
Supply Voltage 5V
Frequency 24MHz
Time@Peak Reflow Temperature-Max (s) 40
Base Part Number AT89C2051
Operating Supply Voltage 5V
Supply Voltage-Max (Vsup) 6V
Power Supplies 5V
Interface I2C, SPI, UART, USART
Memory Size 2kB
Oscillator Type Internal
Number of I/O 15
RAM Size 128 x 8
Voltage - Supply (Vcc/Vdd) 4V~6V
uPs/uCs/Peripheral ICs Type MICROCONTROLLER
Core Processor 8051
Peripherals LED
Program Memory Type FLASH
Core Size 8-Bit
Program Memory Size 2KB 2K x 8
Connectivity UART/USART
Bit Size 8
Access Time 24 μs
Has ADC NO
DMA Channels NO
Data Bus Width 8b
PWM Channels NO
DAC Channels NO
Number of Timers/Counters 2
Address Bus Width 8b
Number of UART Channels 1
Dimensions
Height 2.35mm
Length 13mm
Width 7.6mm
Compliance
Radiation Hardening No
REACH SVHC No SVHC
RoHS Status ROHS3 Compliant
Lead Free Lead Free
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