DS89C450-QNG+ vs DS89C420-QNL feature comparison

DS89C450-QNG+ Maxim Integrated Products

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DS89C420-QNL Dallas Semiconductor

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Pbfree Code Yes
Rohs Code Yes No
Part Life Cycle Code Transferred Transferred
Ihs Manufacturer MAXIM INTEGRATED PRODUCTS INC DALLAS SEMICONDUCTOR
Part Package Code LCC
Package Description LCC-44
Pin Count 44
Reach Compliance Code compliant unknown
ECCN Code EAR99
HTS Code 8542.31.00.01 8542.31.00.01
Has ADC NO
Address Bus Width 16
Bit Size 8 8
CPU Family 8051 8051
Clock Frequency-Max 33 MHz
DAC Channels NO
DMA Channels NO
External Data Bus Width 8
JESD-30 Code S-PQCC-J44 S-PQCC-J44
JESD-609 Code e3 e0
Length 16.585 mm
Moisture Sensitivity Level 3
Number of I/O Lines 32
Number of Terminals 44 44
On Chip Program ROM Width 8
Operating Temperature-Max 85 °C 85 °C
Operating Temperature-Min -40 °C -40 °C
PWM Channels NO
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code QCCJ QCCJ
Package Equivalence Code LDCC44,.7SQ LDCC44,.7SQ
Package Shape SQUARE SQUARE
Package Style CHIP CARRIER CHIP CARRIER
Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified Not Qualified
RAM (bytes) 1024 1024
ROM (words) 65536 16384
ROM Programmability FLASH FLASH
Seated Height-Max 4.57 mm
Speed 25 MHz 33 MHz
Supply Current-Max 110 mA 150 mA
Supply Voltage-Max 5.5 V
Supply Voltage-Min 4.5 V
Supply Voltage-Nom 5 V 5 V
Surface Mount YES YES
Technology CMOS CMOS
Temperature Grade INDUSTRIAL INDUSTRIAL
Terminal Finish MATTE TIN Tin/Lead (Sn/Pb)
Terminal Form J BEND J BEND
Terminal Pitch 1.27 mm 1.27 mm
Terminal Position QUAD QUAD
Time@Peak Reflow Temperature-Max (s) 30
Width 16.585 mm
uPs/uCs/Peripheral ICs Type MICROCONTROLLER
Base Number Matches 2 2

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