Datasheets
AT89C55WD-24AC by: Atmel Corporation

Microcontroller, 8-Bit, FLASH, 8051 CPU, 24MHz, CMOS, PQFP44, 10 X 10 MM, 1 MM HEIGHT, 0.80 MM PITCH, PLASTIC, MS-026ACB, TQFP-44

Part Details for AT89C55WD-24AC by Atmel Corporation

Overview of AT89C55WD-24AC by Atmel Corporation

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Part Details for AT89C55WD-24AC

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AT89C55WD-24AC Part Data Attributes

AT89C55WD-24AC Atmel Corporation
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AT89C55WD-24AC Atmel Corporation Microcontroller, 8-Bit, FLASH, 8051 CPU, 24MHz, CMOS, PQFP44, 10 X 10 MM, 1 MM HEIGHT, 0.80 MM PITCH, PLASTIC, MS-026ACB, TQFP-44
Rohs Code No
Part Life Cycle Code Obsolete
Ihs Manufacturer ATMEL CORP
Part Package Code QFP
Package Description 10 X 10 MM, 1 MM HEIGHT, 0.80 MM PITCH, PLASTIC, MS-026ACB, TQFP-44
Pin Count 44
Reach Compliance Code unknown
HTS Code 8542.31.00.01
Has ADC NO
Address Bus Width 16
Bit Size 8
Boundary Scan NO
CPU Family 8051
Clock Frequency-Max 24 MHz
DAC Channels NO
DMA Channels NO
External Data Bus Width 8
JESD-30 Code S-PQFP-G44
JESD-609 Code e0
Length 10 mm
Moisture Sensitivity Level 3
Number of I/O Lines 32
Number of Terminals 44
On Chip Program ROM Width 8
Operating Temperature-Max 70 °C
Operating Temperature-Min
PWM Channels NO
Package Body Material PLASTIC/EPOXY
Package Code TQFP
Package Equivalence Code TQFP44,.47SQ,32
Package Shape SQUARE
Package Style FLATPACK, THIN PROFILE
Qualification Status Not Qualified
RAM (bytes) 256
ROM (words) 20480
ROM Programmability FLASH
Seated Height-Max 1.2 mm
Speed 24 MHz
Supply Current-Max 25 mA
Supply Voltage-Max 5.5 V
Supply Voltage-Min 5 V
Supply Voltage-Nom 5 V
Surface Mount YES
Technology CMOS
Temperature Grade COMMERCIAL
Terminal Finish TIN LEAD
Terminal Form GULL WING
Terminal Pitch 0.8 mm
Terminal Position QUAD
Width 10 mm
uPs/uCs/Peripheral ICs Type MICROCONTROLLER

Alternate Parts for AT89C55WD-24AC

This table gives cross-reference parts and alternative options found for AT89C55WD-24AC. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of AT89C55WD-24AC, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Description Manufacturer Compare
AT89C55-24QI Microcontroller, 8-Bit, FLASH, 8051 CPU, 24MHz, CMOS, PQFP44, PLASTIC, MS-022AB, QFP-44 Atmel Corporation AT89C55WD-24AC vs AT89C55-24QI
AT89C55WD-24AU IC MCU 8BIT 20KB FLASH 44TQFP Microchip Technology Inc AT89C55WD-24AC vs AT89C55WD-24AU
AT89C55-24QC Microcontroller, 8-Bit, FLASH, 8051 CPU, 24MHz, CMOS, PQFP44, PLASTIC, MS-022AB, QFP-44 Atmel Corporation AT89C55WD-24AC vs AT89C55-24QC
AT89C55WD-24AL Microcontroller, 8-Bit, FLASH, 24MHz, CMOS, PQFP44, 10 X 10 MM, 1 MM HEIGHT, 0.80 MM PITCH, PLASTIC, MS-026ACB, TQFP-44 Atmel Corporation AT89C55WD-24AC vs AT89C55WD-24AL
AT87F55WD-24AI Microcontroller, 8-Bit, OTPROM, 8051 CPU, 24MHz, CMOS, PQFP44, 1 MM HEIGHT, PLASTIC, TQFP-44 Atmel Corporation AT89C55WD-24AC vs AT87F55WD-24AI
AT89C55WD-24AJ Microcontroller, 8-Bit, FLASH, 24MHz, CMOS, PQFP44, 10 X 10 MM, 1 MM HEIGHT, 0.80 MM PITCH, PLASTIC, MS-026ACB, TQFP-44 Atmel Corporation AT89C55WD-24AC vs AT89C55WD-24AJ
AT89C55-24AI Microcontroller, 8-Bit, FLASH, 8051 CPU, 24MHz, CMOS, PQFP44, 1 MM HEIGHT, PLASTIC, MS-026ACB, TQFP-44 Atmel Corporation AT89C55WD-24AC vs AT89C55-24AI
Part Number Description Manufacturer Compare
AT89C55WD-24PJ Microcontroller, 8-Bit, FLASH, 24MHz, CMOS, PDIP40, 0.600 INCH, PLASTIC, MS-011AC, DIP-40 Atmel Corporation AT89C55WD-24AC vs AT89C55WD-24PJ
AT89C55WD-24JI Microcontroller, 8-Bit, FLASH, 8051 CPU, 24MHz, CMOS, PQCC44, PLASTIC, MS-018AC, LCC-44 Atmel Corporation AT89C55WD-24AC vs AT89C55WD-24JI
AT89C55WD-24PL Microcontroller, 8-Bit, FLASH, 24MHz, CMOS, PDIP40 Microchip Technology Inc AT89C55WD-24AC vs AT89C55WD-24PL
AT89C55WD-24JUR Microcontroller, 8-Bit, FLASH, 24MHz, CMOS, PQCC44 Microchip Technology Inc AT89C55WD-24AC vs AT89C55WD-24JUR
AT89C55WD-24JJ Microcontroller, 8-Bit, FLASH, 24MHz, CMOS, PQCC44, PLASTIC, MS-018AC, LCC-44 Atmel Corporation AT89C55WD-24AC vs AT89C55WD-24JJ
AT89C55WD-24AL Microcontroller, 8-Bit, FLASH, 24MHz, CMOS, PQFP44, 10 X 10 MM, 1 MM HEIGHT, 0.80 MM PITCH, PLASTIC, MS-026ACB, TQFP-44 Atmel Corporation AT89C55WD-24AC vs AT89C55WD-24AL
AT89C55WD-24PC Microcontroller, 8-Bit, FLASH, 8051 CPU, 24MHz, CMOS, PDIP40, 0.600 INCH, PLASTIC, MS-011AC, DIP-40 Atmel Corporation AT89C55WD-24AC vs AT89C55WD-24PC
AT89C55WD-24AI Microcontroller, 8-Bit, FLASH, 8051 CPU, 24MHz, CMOS, PQFP44, 10 X 10 MM, 1 MM HEIGHT, 0.80 MM PITCH, PLASTIC, MS-026ACB, TQFP-44 Atmel Corporation AT89C55WD-24AC vs AT89C55WD-24AI
AT89C55WD-24PI Microcontroller, 8-Bit, FLASH, 8051 CPU, 24MHz, CMOS, PDIP40, 0.600 INCH, PLASTIC, MS-011AC, DIP-40 Atmel Corporation AT89C55WD-24AC vs AT89C55WD-24PI
AT89C55WD-24JL Microcontroller, 8-Bit, FLASH, 24MHz, CMOS, PQCC44 Microchip Technology Inc AT89C55WD-24AC vs AT89C55WD-24JL

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