AT89C55-16AA vs AT89C55-24QC feature comparison

AT89C55-16AA Atmel Corporation

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AT89C55-24QC Atmel Corporation

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Rohs Code No No
Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer ATMEL CORP ATMEL CORP
Part Package Code QFP QFP
Package Description TQFP, TQFP44,.47SQ,32 QFP, QFP44,.5SQ,32
Pin Count 44 44
Reach Compliance Code compliant unknown
HTS Code 8542.31.00.01 8542.31.00.01
Has ADC NO NO
Address Bus Width 16 16
Bit Size 8 8
CPU Family 8051 8051
Clock Frequency-Max 16 MHz 24 MHz
DAC Channels NO NO
DMA Channels NO NO
External Data Bus Width 8 8
JESD-30 Code S-PQFP-G44 S-PQFP-G44
JESD-609 Code e0 e0
Length 10 mm 10 mm
Number of I/O Lines 32 32
Number of Terminals 44 44
On Chip Program ROM Width 8 8
Operating Temperature-Max 125 °C 70 °C
Operating Temperature-Min -40 °C
PWM Channels NO NO
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code TQFP QFP
Package Equivalence Code TQFP44,.47SQ,32 QFP44,.5SQ,32
Package Shape SQUARE SQUARE
Package Style FLATPACK, THIN PROFILE FLATPACK
Qualification Status Not Qualified Not Qualified
RAM (bytes) 256 256
ROM (words) 20480 20480
ROM Programmability FLASH FLASH
Seated Height-Max 1.2 mm 2.45 mm
Speed 12 MHz 24 MHz
Supply Voltage-Max 6 V 6 V
Supply Voltage-Min 4 V 5 V
Supply Voltage-Nom 5 V 5 V
Surface Mount YES YES
Technology CMOS CMOS
Temperature Grade AUTOMOTIVE COMMERCIAL
Terminal Finish TIN LEAD TIN LEAD
Terminal Form GULL WING GULL WING
Terminal Pitch 0.8 mm 0.8 mm
Terminal Position QUAD QUAD
Width 10 mm 10 mm
uPs/uCs/Peripheral ICs Type MICROCONTROLLER MICROCONTROLLER
Base Number Matches 1 1
Boundary Scan NO

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