Datasheets
AT87F55WD-24AI by: Atmel Corporation

Microcontroller, 8-Bit, OTPROM, 8051 CPU, 24MHz, CMOS, PQFP44, 1 MM HEIGHT, PLASTIC, TQFP-44

Part Details for AT87F55WD-24AI by Atmel Corporation

Overview of AT87F55WD-24AI by Atmel Corporation

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Applications Consumer Electronics Internet of Things (IoT) Industrial Automation Smart Cities Transportation and Logistics Renewable Energy Automotive Robotics and Drones

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Part Details for AT87F55WD-24AI

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AT87F55WD-24AI Part Data Attributes

AT87F55WD-24AI Atmel Corporation
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AT87F55WD-24AI Atmel Corporation Microcontroller, 8-Bit, OTPROM, 8051 CPU, 24MHz, CMOS, PQFP44, 1 MM HEIGHT, PLASTIC, TQFP-44
Rohs Code No
Part Life Cycle Code Obsolete
Ihs Manufacturer ATMEL CORP
Part Package Code QFP
Package Description 1 MM HEIGHT, PLASTIC, TQFP-44
Pin Count 44
Reach Compliance Code unknown
HTS Code 8542.31.00.01
Samacsys Manufacturer Microchip
Has ADC NO
Address Bus Width 16
Bit Size 8
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
Number of I/O Lines 32
Number of Terminals 44
On Chip Program ROM Width 8
Operating Temperature-Max 85 °C
Operating Temperature-Min -40 °C
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 OTPROM
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 INDUSTRIAL
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 AT87F55WD-24AI

This table gives cross-reference parts and alternative options found for AT87F55WD-24AI. 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 AT87F55WD-24AI, 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
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 AT87F55WD-24AI vs AT89C55WD-24AJ
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 AT87F55WD-24AI vs AT89C55WD-24AI
AT89C55WD-24AU IC MCU 8BIT 20KB FLASH 44TQFP Microchip Technology Inc AT87F55WD-24AI vs AT89C55WD-24AU
AT89C55-24QC Microcontroller, 8-Bit, FLASH, 8051 CPU, 24MHz, CMOS, PQFP44, PLASTIC, MS-022AB, QFP-44 Atmel Corporation AT87F55WD-24AI vs AT89C55-24QC
AT89C55-24AC Microcontroller, 8-Bit, FLASH, 8051 CPU, 24MHz, CMOS, PQFP44, 1 MM HEIGHT, PLASTIC, MS-026ACB, TQFP-44 Atmel Corporation AT87F55WD-24AI vs AT89C55-24AC
AT89C55-24QI Microcontroller, 8-Bit, FLASH, 8051 CPU, 24MHz, CMOS, PQFP44, PLASTIC, MS-022AB, QFP-44 Atmel Corporation AT87F55WD-24AI vs AT89C55-24QI
AT89C55WD-24AC 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 AT87F55WD-24AI vs AT89C55WD-24AC
AT89C55-24AI Microcontroller, 8-Bit, FLASH, 8051 CPU, 24MHz, CMOS, PQFP44, 1 MM HEIGHT, PLASTIC, MS-026ACB, TQFP-44 Atmel Corporation AT87F55WD-24AI vs AT89C55-24AI
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 AT87F55WD-24AI vs AT89C55WD-24AL
Part Number Description Manufacturer Compare
AT89C55-12AI Microcontroller, 8-Bit, FLASH, 8051 CPU, 20MHz, CMOS, PQFP44, 1 MM HEIGHT, PLASTIC, TQFP-44 Atmel Corporation AT87F55WD-24AI vs AT89C55-12AI
AT89C55-12JI Microcontroller, 8-Bit, FLASH, 8051 CPU, 25MHz, CMOS, PQCC44, PLASTIC, MS-047AC, LCC-44 Atmel Corporation AT87F55WD-24AI vs AT89C55-12JI
AT89C55-24PI Microcontroller, 8-Bit, FLASH, 8051 CPU, 24MHz, CMOS, PDIP40, 0.600 INCH, PLASTIC, DIP-40 Atmel Corporation AT87F55WD-24AI vs AT89C55-24PI
AT89C55WD-24JL Microcontroller, 8-Bit, FLASH, 24MHz, CMOS, PQCC44, PLASTIC, MS-018AC, LCC-44 Atmel Corporation AT87F55WD-24AI vs AT89C55WD-24JL
AT89C55-12JC Microcontroller, 8-Bit, FLASH, 8051 CPU, 16MHz, CMOS, PQCC44, PLASTIC, MS-047AC, LCC-44 Atmel Corporation AT87F55WD-24AI vs AT89C55-12JC
AT89C55-33PC Microcontroller, 8-Bit, FLASH, 8051 CPU, 33MHz, CMOS, PDIP40, 0.600 INCH, PLASTIC, DIP-40 Atmel Corporation AT87F55WD-24AI vs AT89C55-33PC
AT89C55WD-24PU Microcontroller, 8-Bit, FLASH, 8051 CPU, 24MHz, CMOS, PDIP40, 0.600 INCH, GREEN, PLASTIC, MS-011AC, DIP-40 Atmel Corporation AT87F55WD-24AI vs AT89C55WD-24PU
AT89C55-24AI Microcontroller, 8-Bit, FLASH, 8051 CPU, 24MHz, CMOS, PQFP44, 1 MM HEIGHT, PLASTIC, MS-026ACB, TQFP-44 Atmel Corporation AT87F55WD-24AI vs AT89C55-24AI
AT87F55WD-24JC Microcontroller, 8-Bit, OTPROM, 8051 CPU, 24MHz, CMOS, PQCC44, PLASTIC, LCC-44 Atmel Corporation AT87F55WD-24AI vs AT87F55WD-24JC
AT89C55-33QC Microcontroller, 8-Bit, FLASH, 8051 CPU, 33MHz, CMOS, PQFP44, PLASTIC, MS-022AB, QFP-44 Atmel Corporation AT87F55WD-24AI vs AT89C55-33QC

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