AT89C55-12JC vs AT87F55WD-24AI feature comparison

AT89C55-12JC Atmel Corporation

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AT87F55WD-24AI Atmel Corporation

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Rohs Code No No
Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer ATMEL CORP ATMEL CORP
Part Package Code LCC QFP
Package Description QCCJ, LDCC44,.7SQ 1 MM HEIGHT, PLASTIC, TQFP-44
Pin Count 44 44
Reach Compliance Code compliant unknown
HTS Code 8542.31.00.01 8542.31.00.01
Has ADC NO NO
Address Bus Width 16 16
Bit Size 8 8
CPU Family 8051 8051
Clock Frequency-Max 12 MHz 24 MHz
DAC Channels NO NO
DMA Channels NO NO
External Data Bus Width 8 8
JESD-30 Code S-PQCC-J44 S-PQFP-G44
JESD-609 Code e0 e0
Length 16.5862 mm 10 mm
Moisture Sensitivity Level 2
Number of I/O Lines 32 32
Number of Terminals 44 44
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 QCCJ TQFP
Package Equivalence Code LDCC44,.7SQ TQFP44,.47SQ,32
Package Shape SQUARE SQUARE
Package Style CHIP CARRIER FLATPACK, THIN PROFILE
Peak Reflow Temperature (Cel) 225
Qualification Status Not Qualified Not Qualified
RAM (bytes) 256 256
ROM (words) 20480 20480
ROM Programmability FLASH OTPROM
Seated Height-Max 4.57 mm 1.2 mm
Speed 16 MHz 24 MHz
Supply Current-Max 25 mA 25 mA
Supply Voltage-Max 6 V 5.5 V
Supply Voltage-Min 5 V 5 V
Supply Voltage-Nom 5 V 5 V
Surface Mount YES YES
Technology CMOS CMOS
Temperature Grade COMMERCIAL INDUSTRIAL
Terminal Finish TIN LEAD TIN LEAD
Terminal Form J BEND GULL WING
Terminal Pitch 1.27 mm 0.8 mm
Terminal Position QUAD QUAD
Width 16.5862 mm 10 mm
uPs/uCs/Peripheral ICs Type MICROCONTROLLER MICROCONTROLLER
Base Number Matches 1 1
Samacsys Manufacturer Microchip

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