Datasheets
AT89C55WD-24AU by:

IC MCU 8BIT 20KB FLASH 44TQFP

Part Details for AT89C55WD-24AU by Microchip Technology Inc

Overview of AT89C55WD-24AU by Microchip Technology Inc

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Price & Stock for AT89C55WD-24AU

Part # Distributor Description Stock Price Buy
DISTI # 68T4960
Newark Microcontroller Mcu, 8 Bit, 8051, 24Mhz, Tqfp-44, Product Range:8051 Family At89C55 Series Microcontrollers, Device Core:8051, Operating Frequency Max:24Mhz, Program Memory Size:20Kb, No. Of Pins:44Pins, Ic Case/Package:Tqfp, Msl:-Rohs Compliant: Yes |Microchip AT89C55WD-24AU RoHS: Compliant Min Qty: 320 Package Multiple: 1 Date Code: 0 Container: Bulk 0
  • 100 $2.9200
$2.9200 Buy Now
DISTI # AT89C55WD-24AU-ND
DigiKey IC MCU 8BIT 20KB FLASH 44TQFP Min Qty: 1 Lead time: 7 Weeks Container: Tray 418
In Stock
  • 1 $3.1600
  • 25 $2.9000
  • 100 $2.8125
$2.8125 / $3.1600 Buy Now
DISTI # AT89C55WD-24AU
Avnet Americas MCU 8-bit AT89 80C51 CISC 20KB Flash 5V 44-Pin TQFP - Trays (Alt: AT89C55WD-24AU) RoHS: Compliant Min Qty: 320 Package Multiple: 160 Lead time: 4 Weeks, 0 Days Container: Tray 0
  • 320 $3.0850
  • 640 $3.0693
  • 960 $2.7020
  • 1,600 $2.6795
  • 3,200 $2.6571
$2.6571 / $3.0850 Buy Now
DISTI # 556-A89C55WD-24AU
Mouser Electronics 8-bit Microcontrollers - MCU 20K FLASH - 24MHZ RoHS: Compliant 334
  • 1 $3.1600
  • 100 $2.9000
  • 480 $2.8200
$2.8200 / $3.1600 Buy Now
DISTI # V36:1790_07152944
Arrow Electronics MCU 8-bit 8051 CISC 20KB Flash 5V 44-Pin TQFP Tray RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 7 Weeks Date Code: 2348 Americas - 145
  • 1 $3.1480
  • 25 $2.8640
  • 100 $2.7820
  • 250 $2.7280
$2.7280 / $3.1480 Buy Now
DISTI # AT89C55WD-24AU
Microchip Technology Inc 24MHZ, TQFP, IND TEMP, GREEN, Projected EOL: 2039-11-15 RoHS: Compliant pbFree: Yes 12800

Alternates Available
  • 1 $3.1600
  • 25 $2.9000
  • 100 $2.6400
  • 1,000 $2.4400
  • 5,000 $2.2900
$2.2900 / $3.1600 Buy Now
Future Electronics IC MCU 8BIT 20KB FLASH 44TQFP RoHS: Compliant pbFree: Yes Min Qty: 480 Package Multiple: 160 Lead time: 4 Weeks Container: Tray 0
Tray
  • 160 $2.7600
  • 320 $2.7200
  • 480 $2.6900
  • 800 $2.6600
  • 1,600 $2.5900
$2.5900 / $2.7600 Buy Now
Onlinecomponents.com Microcontroller - 8051 Processor - 8-Bit - 24MHz - 32 I/O - 20KB (20K x 8) FLASH - 256 x 8 RAM - 4.5 to 5.5V - 44-TQFP - Surface Mount. RoHS: Compliant 378 In Stock
19680 Factory Stock
  • 5 $3.3700
  • 50 $2.8300
  • 160 $2.7600
  • 320 $2.7300
  • 640 $2.7000
  • 1,120 $2.6800
  • 2,560 $2.6500
  • 5,120 $2.6200
$2.6200 / $3.3700 Buy Now
DISTI # 67589816
Verical MCU 8-bit 8051 CISC 20KB Flash 5V 44-Pin TQFP Tray RoHS: Compliant Min Qty: 15 Package Multiple: 5 Date Code: 2316 Americas - 375
  • 15 $4.3810
  • 50 $3.6790
  • 160 $3.5880
  • 320 $3.5490
  • 640 $3.5100
$3.5100 / $4.3810 Buy Now
DISTI # 76836199
Verical MCU 8-bit 8051 CISC 20KB Flash 5V 44-Pin TQFP Tray RoHS: Compliant Min Qty: 3 Package Multiple: 1 Date Code: 2348 Americas - 145
  • 3 $3.1480
  • 25 $2.8640
  • 100 $2.7820
  • 250 $2.7280
$2.7280 / $3.1480 Buy Now
DISTI # AT89C55WD-24AU
TME IC: microcontroller 8051, Interface: UART, 4÷5.5VDC, TQFP44, AT89 Min Qty: 1 8
  • 1 $3.3700
  • 5 $3.2600
  • 25 $3.0600
  • 100 $2.9600
$2.9600 / $3.3700 Buy Now
NAC 24MHZ, TQFP, IND TEMP, GREEN - Package: 44 TQFP 10x10x1mm TRAY RoHS: Compliant Min Qty: 1 Package Multiple: 160 Container: Tray 15680
  • 1 $3.3100
  • 100 $3.0000
  • 500 $2.8100
  • 1,000 $2.7400
$2.7400 / $3.3100 Buy Now
DISTI # AT89C55WD-24AU
Avnet Silica MCU 8-bit AT89 80C51 CISC 20KB Flash 5V 44-Pin TQFP (Alt: AT89C55WD-24AU) RoHS: Compliant Min Qty: 160 Package Multiple: 160 Lead time: 6 Weeks, 0 Days Silica - 0
Buy Now
DISTI # AT89C55WD-24AU
EBV Elektronik MCU 8-bit AT89 80C51 CISC 20KB Flash 5V 44-Pin TQFP (Alt: AT89C55WD-24AU) RoHS: Compliant Min Qty: 160 Package Multiple: 160 Lead time: 5 Weeks, 0 Days EBV - 8960
Buy Now
Master Electronics Microcontroller - 8051 Processor - 8-Bit - 24MHz - 32 I/O - 20KB (20K x 8) FLASH - 256 x 8 RAM - 4.5 to 5.5V - 44-TQFP - Surface Mount. RoHS: Compliant 378 In Stock
19680 Factory Stock
  • 5 $3.3700
  • 50 $2.8300
  • 160 $2.7600
  • 320 $2.7300
  • 640 $2.7000
  • 1,120 $2.6800
  • 2,560 $2.6500
  • 5,120 $2.6200
$2.6200 / $3.3700 Buy Now
New Advantage Corporation   RoHS: Compliant Min Qty: 1 Package Multiple: 160 7200
  • 160 $5.1600
  • 7,200 $4.7700
$4.7700 / $5.1600 Buy Now
Win Source Electronics MCU 8-bit 8051 CISC 20KB Flash 5V 44-Pin TQFP Tray / IC MCU 8BIT 20KB FLASH 44TQFP 5010
  • 14 $3.6469
  • 34 $2.9923
  • 52 $2.8988
  • 72 $2.8053
  • 93 $2.7118
  • 124 $2.4313
$2.4313 / $3.6469 Buy Now

Part Details for AT89C55WD-24AU

AT89C55WD-24AU CAD Models

AT89C55WD-24AU Part Data Attributes

AT89C55WD-24AU Microchip Technology Inc
Buy Now Datasheet
Compare Parts:
AT89C55WD-24AU Microchip Technology Inc IC MCU 8BIT 20KB FLASH 44TQFP
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer MICROCHIP TECHNOLOGY INC
Package Description 10 X 10 MM, 1 MM HEIGHT, 0.80 MM PITCH, GREEN, PLASTIC, MS-026ACB, TQFP-44
Reach Compliance Code compliant
Factory Lead Time 4 Weeks
Samacsys Manufacturer Microchip
Has ADC NO
Address Bus Width 16
Bit Size 8
Boundary Scan NO
CPU Family 80C51
Clock Frequency-Max 33 MHz
DAC Channels NO
DMA Channels NO
External Data Bus Width 8
Format FIXED POINT
Integrated Cache NO
JESD-30 Code S-PQFP-G44
JESD-609 Code e3
Length 10 mm
Low Power Mode YES
Moisture Sensitivity Level 3
Number of External Interrupts 2
Number of I/O Lines 32
Number of Serial I/Os 1
Number of Terminals 44
Number of Timers 3
On Chip Data RAM Width 8
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,.39SQ,31
Package Shape SQUARE
Package Style FLATPACK, THIN PROFILE
Peak Reflow Temperature (Cel) 260
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 INDUSTRIAL
Terminal Finish MATTE TIN
Terminal Form GULL WING
Terminal Pitch 0.8 mm
Terminal Position QUAD
Time@Peak Reflow Temperature-Max (s) 40
Width 10 mm
uPs/uCs/Peripheral ICs Type MICROCONTROLLER

Alternate Parts for AT89C55WD-24AU

This table gives cross-reference parts and alternative options found for AT89C55WD-24AU. 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-24AU, 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
AT89C55-24AC Microcontroller, 8-Bit, FLASH, 8051 CPU, 24MHz, CMOS, PQFP44, 1 MM HEIGHT, PLASTIC, MS-026ACB, TQFP-44 Atmel Corporation AT89C55WD-24AU vs AT89C55-24AC
AT89C55-24QC Microcontroller, 8-Bit, FLASH, 8051 CPU, 24MHz, CMOS, PQFP44, PLASTIC, MS-022AB, QFP-44 Atmel Corporation AT89C55WD-24AU vs AT89C55-24QC
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 AT89C55WD-24AU vs AT89C55WD-24AC
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-24AU vs AT89C55WD-24AI
AT89C55WD-24AUR 24MHZ TQFP IND TEMP GREEN Microchip Technology Inc AT89C55WD-24AU vs AT89C55WD-24AUR
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-24AU vs AT89C55WD-24AL
AT89C55WD-24AU Microcontroller, 8-Bit, FLASH, 8051 CPU, 24MHz, CMOS, PQFP44, 10 X 10 MM, 1 MM HEIGHT, 0.80 MM PITCH, GREEN, PLASTIC, MS-026ACB, TQFP-44 Atmel Corporation AT89C55WD-24AU vs AT89C55WD-24AU
AT89C55-24AI Microcontroller, 8-Bit, FLASH, 8051 CPU, 24MHz, CMOS, PQFP44, 1 MM HEIGHT, PLASTIC, MS-026ACB, TQFP-44 Atmel Corporation AT89C55WD-24AU vs AT89C55-24AI
AT87F55WD-24AI Microcontroller, 8-Bit, OTPROM, 8051 CPU, 24MHz, CMOS, PQFP44, 1 MM HEIGHT, PLASTIC, TQFP-44 Atmel Corporation AT89C55WD-24AU 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-24AU vs AT89C55WD-24AJ
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 AT89C55WD-24AU vs AT89C55WD-24AJ
AT89C55WD-24PI Microcontroller, 8-Bit, FLASH, 8051 CPU, 24MHz, CMOS, PDIP40, 0.600 INCH, PLASTIC, MS-011AC, DIP-40 Atmel Corporation AT89C55WD-24AU vs AT89C55WD-24PI
AT89C55WD-24JI Microcontroller, 8-Bit, FLASH, 8051 CPU, 24MHz, CMOS, PQCC44, PLASTIC, MS-018AC, LCC-44 Atmel Corporation AT89C55WD-24AU vs AT89C55WD-24JI
AT89C55WD-24JJ Microcontroller, 8-Bit, FLASH, 24MHz, CMOS, PQCC44, PLASTIC, MS-018AC, LCC-44 Atmel Corporation AT89C55WD-24AU vs AT89C55WD-24JJ
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 AT89C55WD-24AU vs AT89C55WD-24AC
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-24AU vs AT89C55WD-24AL
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-24AU vs AT89C55WD-24AI
AT89C55WD-24PL Microcontroller, 8-Bit, FLASH, 24MHz, CMOS, PDIP40 Microchip Technology Inc AT89C55WD-24AU vs AT89C55WD-24PL
AT89C55WD-24PC Microcontroller, 8-Bit, FLASH, 8051 CPU, 24MHz, CMOS, PDIP40, 0.600 INCH, PLASTIC, MS-011AC, DIP-40 Atmel Corporation AT89C55WD-24AU vs AT89C55WD-24PC
AT89C55WD-24AUR 24MHZ TQFP IND TEMP GREEN Microchip Technology Inc AT89C55WD-24AU vs AT89C55WD-24AUR

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