AT87C51RD2-RLTUM vs AT89C51RD2-SMUIM feature comparison

AT87C51RD2-RLTUM Atmel Corporation

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AT89C51RD2-SMUIM Atmel Corporation

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Rohs Code Yes No
Part Life Cycle Code Transferred Obsolete
Ihs Manufacturer ATMEL CORP ATMEL CORP
Part Package Code QFP LCC
Package Description LQFP, QFP44,.47SQ,32 QCCJ, LDCC68,1.0SQ
Pin Count 44 68
Reach Compliance Code compliant compliant
ECCN Code 3A991.A.2 3A991.A.2
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 40 MHz 40 MHz
DAC Channels NO NO
DMA Channels NO NO
External Data Bus Width 8 8
JESD-30 Code S-PQFP-G44 S-PQCC-J68
Length 10 mm 24.23 mm
Number of I/O Lines 32 32
Number of Terminals 44 68
On Chip Program ROM Width 8 8
Operating Temperature-Max 85 °C 85 °C
Operating Temperature-Min -40 °C -40 °C
PWM Channels YES YES
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code LQFP QCCJ
Package Equivalence Code QFP44,.47SQ,32 LDCC68,1.0SQ
Package Shape SQUARE SQUARE
Package Style FLATPACK, LOW PROFILE CHIP CARRIER
Qualification Status Not Qualified Not Qualified
RAM (bytes) 1024 2048
ROM (words) 65536 65536
ROM Programmability OTPROM FLASH
Seated Height-Max 1.6 mm 5.08 mm
Speed 40 MHz 40 MHz
Supply Voltage-Max 5.5 V 5.5 V
Supply Voltage-Min 4.5 V 5 V
Supply Voltage-Nom 5 V 5 V
Surface Mount YES YES
Technology CMOS CMOS
Temperature Grade INDUSTRIAL INDUSTRIAL
Terminal Form GULL WING J BEND
Terminal Pitch 0.8 mm 1.27 mm
Terminal Position QUAD QUAD
Width 10 mm 24.23 mm
uPs/uCs/Peripheral ICs Type MICROCONTROLLER MICROCONTROLLER
Base Number Matches 2 1
JESD-609 Code e0
Moisture Sensitivity Level 3
Peak Reflow Temperature (Cel) 225
Supply Current-Max 47 mA
Terminal Finish TIN LEAD

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