AT89C55-24AC vs AT89C55WD-24PU feature comparison

AT89C55-24AC Atmel Corporation

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AT89C55WD-24PU Atmel Corporation

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Rohs Code No Yes
Part Life Cycle Code Obsolete Transferred
Ihs Manufacturer ATMEL CORP ATMEL CORP
Part Package Code QFP DIP
Package Description TQFP, TQFP44,.47SQ,32 0.600 INCH, GREEN, PLASTIC, MS-011AC, DIP-40
Pin Count 44 40
Reach Compliance Code unknown unknown
HTS Code 8542.31.00.01 8542.31.00.01
Samacsys Manufacturer Microchip Microchip
Has ADC NO NO
Address Bus Width 16 16
Bit Size 8 8
CPU Family 8051 8051
Clock Frequency-Max 24 MHz 33 MHz
DAC Channels NO NO
DMA Channels NO NO
External Data Bus Width 8 8
JESD-30 Code S-PQFP-G44 R-PDIP-T40
JESD-609 Code e0 e3
Length 10 mm 52.324 mm
Number of I/O Lines 32 32
Number of Terminals 44 40
On Chip Program ROM Width 8 8
Operating Temperature-Max 70 °C 85 °C
Operating Temperature-Min -40 °C
PWM Channels NO NO
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code TQFP DIP
Package Equivalence Code TQFP44,.47SQ,32 DIP40,.6
Package Shape SQUARE RECTANGULAR
Package Style FLATPACK, THIN PROFILE IN-LINE
Qualification Status Not Qualified Not Qualified
RAM (bytes) 256 256
ROM (words) 20480 20480
ROM Programmability FLASH FLASH
Seated Height-Max 1.2 mm 4.826 mm
Speed 24 MHz 24 MHz
Supply Voltage-Max 6 V 5.5 V
Supply Voltage-Min 5 V 4 V
Supply Voltage-Nom 5 V 5 V
Surface Mount YES NO
Technology CMOS CMOS
Temperature Grade COMMERCIAL INDUSTRIAL
Terminal Finish TIN LEAD MATTE TIN
Terminal Form GULL WING THROUGH-HOLE
Terminal Pitch 0.8 mm 2.54 mm
Terminal Position QUAD DUAL
Width 10 mm 15.24 mm
uPs/uCs/Peripheral ICs Type MICROCONTROLLER MICROCONTROLLER
Base Number Matches 1 1
Pbfree Code Yes
ECCN Code 3A991.A.2
Moisture Sensitivity Level 1
Peak Reflow Temperature (Cel) 245
Supply Current-Max 25 mA

Compare AT89C55-24AC with alternatives

Compare AT89C55WD-24PU with alternatives