AT89C51RD2-SMSUM vs AT89C51RD2-RDTUM feature comparison

AT89C51RD2-SMSUM Atmel Corporation

Buy Now Datasheet

AT89C51RD2-RDTUM Microchip Technology Inc

Buy Now Datasheet
Pbfree Code Yes
Rohs Code Yes Yes
Part Life Cycle Code Obsolete Active
Ihs Manufacturer ATMEL CORP MICROCHIP TECHNOLOGY INC
Part Package Code LCC
Package Description QCCJ, LDCC68,1.0SQ GREEN, VQFP-64
Pin Count 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
Additional Feature OPERATES AT 2.7V MINIMUM SUPPLY @ 40 MHZ OPERATES AT 2.7V MINIMUM SUPPLY @ 40 MHZ
Address Bus Width 16 16
Bit Size 8 8
CPU Family 8051 80C51
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-PQCC-J68 S-PQFP-G64
JESD-609 Code e3 e3
Length 24.23 mm 10 mm
Number of I/O Lines 48 50
Number of Terminals 68 64
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 QCCJ LFQFP
Package Equivalence Code LDCC68,1.0SQ QFP64,.47SQ,20
Package Shape SQUARE SQUARE
Package Style CHIP CARRIER FLATPACK, LOW PROFILE, FINE PITCH
Qualification Status Not Qualified Not Qualified
RAM (bytes) 2048 2048
ROM (words) 65536 65536
ROM Programmability FLASH FLASH
Seated Height-Max 5.08 mm 1.6 mm
Speed 60 MHz 60 MHz
Supply Voltage-Max 5.5 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 INDUSTRIAL INDUSTRIAL
Terminal Finish MATTE TIN MATTE TIN
Terminal Form J BEND GULL WING
Terminal Pitch 1.27 mm 0.5 mm
Terminal Position QUAD QUAD
Width 24.23 mm 10 mm
uPs/uCs/Peripheral ICs Type MICROCONTROLLER MICROCONTROLLER
Base Number Matches 1 2
Factory Lead Time 6 Weeks
Boundary Scan NO
Format FIXED POINT
Integrated Cache NO
Low Power Mode YES
Number of External Interrupts 2
Number of Serial I/Os 1
Number of Timers 3
On Chip Data RAM Width 8

Compare AT89C51RD2-SMSUM with alternatives

Compare AT89C51RD2-RDTUM with alternatives