AT89C55-24JC vs AT89C55-16PA feature comparison

AT89C55-24JC Atmel Corporation

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AT89C55-16PA Atmel Corporation

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Rohs Code No No
Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer ATMEL CORP ATMEL CORP
Part Package Code LPCC DIP
Package Description PLASTIC, MS-018AC, LCC-44 DIP, DIP40,.6
Pin Count 44 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 8051
Clock Frequency-Max 24 MHz 16 MHz
DAC Channels NO NO
DMA Channels NO NO
External Data Bus Width 8 8
JESD-30 Code S-PQCC-J44 R-PDIP-T40
JESD-609 Code e0 e0
Length 16.5862 mm 52.2 mm
Moisture Sensitivity Level 2
Number of I/O Lines 32 32
Number of Terminals 44 40
On Chip Program ROM Width 8 8
Operating Temperature-Max 70 °C 125 °C
Operating Temperature-Min -40 °C
PWM Channels NO NO
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code QCCJ DIP
Package Equivalence Code LDCC44,.7SQ DIP40,.6
Package Shape SQUARE RECTANGULAR
Package Style CHIP CARRIER IN-LINE
Peak Reflow Temperature (Cel) 225
Qualification Status Not Qualified Not Qualified
RAM (bytes) 256 256
ROM (words) 20480 20480
ROM Programmability FLASH FLASH
Seated Height-Max 4.57 mm 5.59 mm
Speed 24 MHz 24 MHz
Supply Voltage-Max 6 V 6 V
Supply Voltage-Min 5 V 4 V
Supply Voltage-Nom 5 V 5 V
Surface Mount YES NO
Technology CMOS CMOS
Temperature Grade COMMERCIAL AUTOMOTIVE
Terminal Finish TIN LEAD TIN LEAD
Terminal Form J BEND THROUGH-HOLE
Terminal Pitch 1.27 mm 2.54 mm
Terminal Position QUAD DUAL
Width 16.5862 mm 15.24 mm
uPs/uCs/Peripheral ICs Type MICROCONTROLLER MICROCONTROLLER
Base Number Matches 1 1

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