AT89C55-24PC vs AT89C55WD-24PJ feature comparison

AT89C55-24PC Atmel Corporation

Buy Now Datasheet

AT89C55WD-24PJ Atmel Corporation

Buy Now Datasheet
Rohs Code No Yes
Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer ATMEL CORP ATMEL CORP
Part Package Code DIP DIP
Package Description DIP, DIP40,.6 DIP,
Pin Count 40 40
Reach Compliance Code unknown compliant
HTS Code 8542.31.00.01 8542.31.00.01
Samacsys Manufacturer Microchip
Has ADC NO NO
Address Bus Width 16 16
Bit Size 8 8
CPU Family 8051
Clock Frequency-Max 24 MHz 24 MHz
DAC Channels NO NO
DMA Channels NO NO
External Data Bus Width 8 8
JESD-30 Code R-PDIP-T40 R-PDIP-T40
JESD-609 Code e0 e3
Length 52.2 mm 52.324 mm
Number of I/O Lines 32 32
Number of Terminals 40 40
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 DIP DIP
Package Equivalence Code DIP40,.6
Package Shape RECTANGULAR RECTANGULAR
Package Style IN-LINE IN-LINE
Qualification Status Not Qualified Not Qualified
RAM (bytes) 256 256
ROM (words) 20480 20480
ROM Programmability FLASH FLASH
Seated Height-Max 5.59 mm 4.826 mm
Speed 24 MHz 24 MHz
Supply Voltage-Max 6 V 5.5 V
Supply Voltage-Min 5 V 5 V
Supply Voltage-Nom 5 V 5 V
Surface Mount NO NO
Technology CMOS CMOS
Temperature Grade COMMERCIAL INDUSTRIAL
Terminal Finish TIN LEAD MATTE TIN
Terminal Form THROUGH-HOLE THROUGH-HOLE
Terminal Pitch 2.54 mm 2.54 mm
Terminal Position DUAL DUAL
Width 15.24 mm 15.24 mm
uPs/uCs/Peripheral ICs Type MICROCONTROLLER MICROCONTROLLER
Base Number Matches 1 1
Pbfree Code Yes
Moisture Sensitivity Level 1

Compare AT89C55-24PC with alternatives

Compare AT89C55WD-24PJ with alternatives