Datasheets
AT89C51-12AC by: Atmel Corporation

Microcontroller, 8-Bit, FLASH, 8051 CPU, 12MHz, CMOS, PQFP44, 1 MM, PLASTIC, MS-026ACB, TQFP-44

Part Details for AT89C51-12AC by Atmel Corporation

Overview of AT89C51-12AC by Atmel Corporation

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Part Details for AT89C51-12AC

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AT89C51-12AC Part Data Attributes

AT89C51-12AC Atmel Corporation
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AT89C51-12AC Atmel Corporation Microcontroller, 8-Bit, FLASH, 8051 CPU, 12MHz, CMOS, PQFP44, 1 MM, PLASTIC, MS-026ACB, TQFP-44
Rohs Code No
Part Life Cycle Code Obsolete
Ihs Manufacturer ATMEL CORP
Part Package Code QFP
Package Description TQFP, TQFP44,.47SQ,32
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
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) 128
ROM (words) 4096
ROM Programmability FLASH
Seated Height-Max 1.2 mm
Speed 12 MHz
Supply Current-Max 20 mA
Supply Voltage-Max 6 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 AT89C51-12AC

This table gives cross-reference parts and alternative options found for AT89C51-12AC. 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 AT89C51-12AC, 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
AT89C51-16QI Microcontroller, 8-Bit, FLASH, 8051 CPU, 16MHz, CMOS, PQFP44, PLASTIC, MS-022AB, QFP-44 Atmel Corporation AT89C51-12AC vs AT89C51-16QI
AT89C51-16QA Microcontroller, 8-Bit, FLASH, 8051 CPU, 16MHz, CMOS, PQFP44, PLASTIC, QFP-44 Atmel Corporation AT89C51-12AC vs AT89C51-16QA
AT89C51-24AI Microcontroller, 8-Bit, FLASH, 8051 CPU, 24MHz, CMOS, PQFP44, 1 MM, PLASTIC, MS-026ACB, TQFP-44 Atmel Corporation AT89C51-12AC vs AT89C51-24AI
AT89C51-16QC Microcontroller, 8-Bit, FLASH, 8051 CPU, 16MHz, CMOS, PQFP44, PLASTIC, MS-022AB, QFP-44 Atmel Corporation AT89C51-12AC vs AT89C51-16QC
AT89C51-12QI Microcontroller, 8-Bit, FLASH, 8051 CPU, 12MHz, CMOS, PQFP44, PLASTIC, MS-022AB, QFP-44 Atmel Corporation AT89C51-12AC vs AT89C51-12QI
AT89C51-20AC Microcontroller, 8-Bit, FLASH, 8051 CPU, 20MHz, CMOS, PQFP44, 1 MM, PLASTIC, MS-026ACB, TQFP-44 Atmel Corporation AT89C51-12AC vs AT89C51-20AC
AT89C51-20AI Microcontroller, 8-Bit, FLASH, 8051 CPU, 20MHz, CMOS, PQFP44, 1 MM, PLASTIC, MS-026ACB, TQFP-44 Atmel Corporation AT89C51-12AC vs AT89C51-20AI
AT89C51-24QI Microcontroller, 8-Bit, FLASH, 8051 CPU, 24MHz, CMOS, PQFP44, PLASTIC, MS-022AB, QFP-44 Atmel Corporation AT89C51-12AC vs AT89C51-24QI
AT89C51-12AI Microcontroller, 8-Bit, FLASH, 8051 CPU, 12MHz, CMOS, PQFP44, 1 MM, PLASTIC, MS-026ACB, TQFP-44 Atmel Corporation AT89C51-12AC vs AT89C51-12AI
AT89C51-24AC Microcontroller, 8-Bit, FLASH, 8051 CPU, 24MHz, CMOS, PQFP44, 1 MM, PLASTIC, MS-026ACB, TQFP-44 Atmel Corporation AT89C51-12AC vs AT89C51-24AC
Part Number Description Manufacturer Compare
S80C51BH Microcontroller, 8-Bit, MROM, 8051 CPU, 12MHz, CMOS, PQFP44, QFP-44 Intel Corporation AT89C51-12AC vs S80C51BH
AT89C51-12QI Microcontroller, 8-Bit, FLASH, 8051 CPU, 12MHz, CMOS, PQFP44, PLASTIC, MS-022AB, QFP-44 Atmel Corporation AT89C51-12AC vs AT89C51-12QI
AT89C51-16QC Microcontroller, 8-Bit, FLASH, 8051 CPU, 16MHz, CMOS, PQFP44, PLASTIC, MS-022AB, QFP-44 Atmel Corporation AT89C51-12AC vs AT89C51-16QC
AT89C51-24QI Microcontroller, 8-Bit, FLASH, 8051 CPU, 24MHz, CMOS, PQFP44, PLASTIC, MS-022AB, QFP-44 Atmel Corporation AT89C51-12AC vs AT89C51-24QI
AT89C51-16QA Microcontroller, 8-Bit, FLASH, 8051 CPU, 16MHz, CMOS, PQFP44, PLASTIC, QFP-44 Atmel Corporation AT89C51-12AC vs AT89C51-16QA
AT89C51-20AI Microcontroller, 8-Bit, FLASH, 8051 CPU, 20MHz, CMOS, PQFP44, 1 MM, PLASTIC, MS-026ACB, TQFP-44 Atmel Corporation AT89C51-12AC vs AT89C51-20AI
AT89C51-20QC Microcontroller, 8-Bit, FLASH, 8051 CPU, 20MHz, CMOS, PQFP44, PLASTIC, MS-022AB, QFP-44 Atmel Corporation AT89C51-12AC vs AT89C51-20QC
S87C51 Microcontroller, 8-Bit, OTPROM, 8051 CPU, 12MHz, CMOS, PQFP44, QFP-44 Intel Corporation AT89C51-12AC vs S87C51
AT89C51-12AI Microcontroller, 8-Bit, FLASH, 8051 CPU, 12MHz, CMOS, PQFP44, 1 MM, PLASTIC, MS-026ACB, TQFP-44 Atmel Corporation AT89C51-12AC vs AT89C51-12AI
S80C51BH Microcontroller, 8-Bit, MROM, CMOS, PQFP44, QFP-44 Rochester Electronics LLC AT89C51-12AC vs S80C51BH

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