AT87F51-20PC vs AT87F51-20JI feature comparison

AT87F51-20PC Atmel Corporation

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AT87F51-20JI 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 DIP LPCC
Package Description DIP, DIP40,.6 QCCJ, LDCC44,.7SQ
Pin Count 40 44
Reach Compliance Code unknown unknown
HTS Code 8542.31.00.01 8542.31.00.01
Has ADC NO NO
Additional Feature 128 BYTES INTERNAL RAM 128 BYTES INTERNAL RAM
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 R-PDIP-T40 S-PQCC-J44
JESD-609 Code e0 e0
Length 52.2 mm 16.5862 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 85 °C
Operating Temperature-Min -40 °C
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) 128 128
ROM (words) 4096 4096
ROM Programmability FLASH FLASH
Seated Height-Max 5.59 mm 4.57 mm
Speed 20 MHz 20 MHz
Supply Voltage-Max 6 V 6 V
Supply Voltage-Min 5 V 5 V
Supply Voltage-Nom 5 V 5 V
Surface Mount NO YES
Technology CMOS CMOS
Temperature Grade COMMERCIAL INDUSTRIAL
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 16.5862 mm
uPs/uCs/Peripheral ICs Type MICROCONTROLLER MICROCONTROLLER
Base Number Matches 1 1
Moisture Sensitivity Level 2
Peak Reflow Temperature (Cel) 225

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