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AT89C55WD-24AU Tech Specifications

Microchip  AT89C55WD-24AU technical specifications, attributes, parameters and parts with similar specifications to Silicon Labs SI1084-A-GM.

Factory Lead Time 10 Weeks
Contact Plating Tin
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 44-TQFP
Number of Pins 44Pins
Number of I/Os 32I/Os
ROM(word) 20480
Watchdog Timers Yes
Operating Temperature -40°C~85°C TA
Packaging Tray
Series 89C
Published 1996
JESD-609 Code e3
Pbfree Code yes
Part Status Active
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 44Terminations
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 AT89C55
Operating Supply Voltage 5V
Power Supplies 5V
Interface UART, USART
Memory Size 20kB
Oscillator Type Internal
RAM Size 256 x 8
Voltage - Supply (Vcc/Vdd) 4.5V~5.5V
uPs/uCs/Peripheral ICs Type MICROCONTROLLER
Core Processor 8051
Peripherals WDT
Program Memory Type FLASH
Core Size 8-Bit
Program Memory Size 20KB 20K 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 3Timers/Counters
Number of UART Channels 1UART Channel
Height 1.05mm
Length 10.1mm
Width 10.1mm
REACH SVHC No SVHC
Radiation Hardening No
RoHS Status ROHS3 Compliant
Lead Free Lead Free
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