AT89S51-24AC vs AT89S51-24SC feature comparison

AT89S51-24AC Atmel Corporation

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AT89S51-24SC 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 QFP DIP
Package Description 10 X 10 MM, 1 MM HEIGHT, 0.80 MM PITCH, PLASTIC, MS-026ACB, TQFP-44 SDIP, SDIP42,.7
Pin Count 44 42
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 24 MHz
DAC Channels NO NO
DMA Channels NO NO
External Data Bus Width 8 8
JESD-30 Code S-PQFP-G44 R-PDIP-T42
JESD-609 Code e0 e0
Length 10 mm 36.83 mm
Moisture Sensitivity Level 3 1
Number of I/O Lines 32 32
Number of Terminals 44 42
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 TQFP SDIP
Package Equivalence Code TQFP44,.47SQ,32 SDIP42,.7
Package Shape SQUARE RECTANGULAR
Package Style FLATPACK, THIN PROFILE IN-LINE, SHRINK PITCH
Qualification Status Not Qualified Not Qualified
RAM (bytes) 128 128
ROM (words) 4096 4096
ROM Programmability FLASH FLASH
Seated Height-Max 1.2 mm 4.83 mm
Speed 24 MHz 24 MHz
Supply Current-Max 25 mA 25 mA
Supply Voltage-Max 5.5 V 5.5 V
Supply Voltage-Min 5 V 5 V
Supply Voltage-Nom 5 V 5 V
Surface Mount YES NO
Technology CMOS CMOS
Temperature Grade COMMERCIAL COMMERCIAL
Terminal Finish TIN LEAD TIN LEAD
Terminal Form GULL WING THROUGH-HOLE
Terminal Pitch 0.8 mm 1.778 mm
Terminal Position QUAD DUAL
Width 10 mm 15.24 mm
uPs/uCs/Peripheral ICs Type MICROCONTROLLER MICROCONTROLLER
Base Number Matches 1 1
Pbfree Code No
Core Architecture 8051
Device Core 8051
Clock Speed 24
Ram 0.125
Flash Memory 4

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