AT89S51-24AU
RoHS 
RoHS compliant
RoHS compliantPackage 44-TQFP
Category Integrated Circuits (ICs) / Embedded - Microcontrollers
Description
AT89 Series 4 KB Flash 128 B SRAM 24 MHz 8-Bit Microcontroller - TQFP-44
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Buying Options
Total Price: USD $1.85
Unit Price: USD $1.848
≥1 USD $1.848
≥10 USD $1.6984
≥100 USD $1.54
Inventory: 356
Minimum: 1
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Technical Details
Supply Chain
Factory Lead Time 7 Weeks
Physical
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 44-TQFP
Number of Pins 44
Technical
Operating Temperature -40°C~85°C TA
Packaging Tray
Published 1997
Series 89S
JESD-609 Code e3
Pbfree Code yes
Part Status Active
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 44
Terminal Finish Matte Tin (Sn) - annealed
Subcategory Microcontrollers
Technology CMOS
Terminal Position QUAD
Terminal Form GULL WING
Peak Reflow Temperature (Cel) 260
Supply Voltage 5V
Terminal Pitch 0.8mm
Frequency 24MHz
Time@Peak Reflow Temperature-Max (s) 40
Base Part Number AT89S51
Operating Supply Voltage 5V
Power Supplies 5V
Voltage 5V
Interface UART, USART
Memory Size 4kB
Oscillator Type Internal
Number of I/O 32
RAM Size 128 x 8
Voltage - Supply (Vcc/Vdd) 4V~5.5V
uPs/uCs/Peripheral ICs Type MICROCONTROLLER
Core Processor 8051
Peripherals WDT
Program Memory Type FLASH
Core Size 8-Bit
Program Memory Size 4KB 4K x 8
Connectivity UART/USART
Bit Size 8
Watchdog Timer Yes
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
ROM (words) 4096
Number of UART Channels 1
Dimensions
Height 1.05mm
Length 10.1mm
Width 10.1mm
Compliance
Radiation Hardening No
REACH SVHC No SVHC
RoHS Status ROHS3 Compliant
Lead Free Lead Free
Alternative Model
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