SC87C51APA44 vs AT89C51-24PI feature comparison

SC87C51APA44 NXP Semiconductors

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AT89C51-24PI Atmel Corporation

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Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer NXP SEMICONDUCTORS ATMEL CORP
Package Description QCCJ, 0.600 INCH, PLASTIC, DIP-40
Reach Compliance Code unknown unknown
HTS Code 8542.31.00.01 8542.31.00.01
Has ADC NO NO
Address Bus Width 16 16
Bit Size 8 8
Boundary Scan NO
Clock Frequency-Max 24 MHz 24 MHz
DAC Channels NO NO
DMA Channels NO NO
External Data Bus Width 8 8
Format FIXED POINT
Integrated Cache NO
JESD-30 Code S-PQCC-J44 R-PDIP-T40
Length 16.5862 mm 52.2 mm
Low Power Mode YES
Number of DMA Channels
Number of External Interrupts 2
Number of I/O Lines 32 32
Number of Serial I/Os 1
Number of Terminals 44 40
Number of Timers 2
On Chip Data RAM Width 8
On Chip Program ROM Width 8 8
Operating Temperature-Max 85 °C 85 °C
Operating Temperature-Min -40 °C -40 °C
PWM Channels NO NO
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code QCCJ DIP
Package Shape SQUARE RECTANGULAR
Package Style CHIP CARRIER IN-LINE
Qualification Status Not Qualified Not Qualified
RAM (words) 128
ROM (words) 4096 4096
ROM Programmability OTPROM FLASH
Seated Height-Max 4.57 mm 5.59 mm
Speed 12 MHz 24 MHz
Supply Current-Max 20 mA
Supply Voltage-Max 5.5 V 6 V
Supply Voltage-Min 5 V 5 V
Supply Voltage-Nom 5 V 5 V
Surface Mount YES NO
Technology CMOS CMOS
Temperature Grade INDUSTRIAL INDUSTRIAL
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 2 1
Rohs Code No
Part Package Code DIP
Pin Count 40
Factory Lead Time 4 Weeks
CPU Family 8051
JESD-609 Code e0
Package Equivalence Code DIP44,.6
RAM (bytes) 128
Terminal Finish TIN LEAD

Compare SC87C51APA44 with alternatives

Compare AT89C51-24PI with alternatives