AT89C55-33PC vs AT89C55WD-33JC feature comparison

AT89C55-33PC Atmel Corporation

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AT89C55WD-33JC Atmel Corporation

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Rohs Code No No
Part Life Cycle Code Obsolete Transferred
Ihs Manufacturer ATMEL CORP ATMEL CORP
Part Package Code DIP LPCC
Package Description DIP, DIP40,.6 QCCJ, LDCC44,.7SQ
Pin Count 40 44
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 33 MHz 33 MHz
DAC Channels NO NO
DMA Channels NO NO
External Data Bus Width 8 8
JESD-30 Code R-PDIP-T40 S-PQCC-J44
JESD-609 Code e0 e0
Length 52.2 mm 16.586 mm
Number of I/O Lines 32 32
Number of Terminals 40 44
On Chip Program ROM Width 8 8
Operating Temperature-Max 70 °C 70 °C
Operating Temperature-Min
PWM Channels NO NO
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code DIP QCCJ
Package Equivalence Code DIP40,.6 LDCC44,.7SQ
Package Shape RECTANGULAR SQUARE
Package Style IN-LINE CHIP CARRIER
Qualification Status Not Qualified Not Qualified
RAM (bytes) 256 256
ROM (words) 20480 20480
ROM Programmability FLASH FLASH
Seated Height-Max 5.59 mm 4.572 mm
Speed 33 MHz 33 MHz
Supply Voltage-Max 5.5 V 5.5 V
Supply Voltage-Min 5 V 4.5 V
Supply Voltage-Nom 5 V 5 V
Surface Mount NO YES
Technology CMOS CMOS
Temperature Grade COMMERCIAL COMMERCIAL
Terminal Finish TIN LEAD TIN LEAD
Terminal Form THROUGH-HOLE J BEND
Terminal Pitch 2.54 mm 1.27 mm
Terminal Position DUAL QUAD
Width 15.24 mm 16.586 mm
uPs/uCs/Peripheral ICs Type MICROCONTROLLER MICROCONTROLLER
Base Number Matches 1 1
Pbfree Code No
Samacsys Manufacturer Microchip
Moisture Sensitivity Level 2
Peak Reflow Temperature (Cel) 225
Supply Current-Max 25 mA

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Compare AT89C55WD-33JC with alternatives