AT91SAM7S256D-AU vs AT91SAM7A3-AU feature comparison

AT91SAM7S256D-AU Atmel Corporation

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AT91SAM7A3-AU Atmel Corporation

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Rohs Code Yes Yes
Part Life Cycle Code Transferred Obsolete
Ihs Manufacturer ATMEL CORP ATMEL CORP
Package Description GREEN, MS-026, LQFP-64 GREEN, LQFP-100
Reach Compliance Code compliant unknown
ECCN Code 3A991.A.2 3A991.A.2
HTS Code 8542.31.00.01 8542.31.00.01
Samacsys Manufacturer Microchip Microchip
Has ADC YES YES
Address Bus Width
Bit Size 32 32
CPU Family ARM7 ARM7
Clock Frequency-Max 50 MHz 50 MHz
DAC Channels NO NO
DMA Channels YES YES
External Data Bus Width
JESD-30 Code S-PQFP-G64 S-PQFP-G100
Length 10 mm 14 mm
Moisture Sensitivity Level 3 3
Number of I/O Lines 32 62
Number of Terminals 64 100
On Chip Program ROM Width 8 8
Operating Temperature-Max 85 °C 85 °C
Operating Temperature-Min -40 °C -40 °C
PWM Channels YES YES
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code LFQFP LFQFP
Package Equivalence Code QFP64,.47SQ,20 QFP100,.63SQ,20
Package Shape SQUARE SQUARE
Package Style FLATPACK, LOW PROFILE, FINE PITCH FLATPACK, LOW PROFILE, FINE PITCH
Peak Reflow Temperature (Cel) 260 260
Qualification Status Not Qualified Not Qualified
RAM (bytes) 65536 32768
ROM (words) 262144 65536
ROM Programmability FLASH FLASH
Seated Height-Max 1.6 mm 1.6 mm
Speed 55 MHz 60 MHz
Supply Voltage-Max 1.95 V 1.95 V
Supply Voltage-Min 1.65 V 1.8 V
Supply Voltage-Nom 1.8 V 1.8 V
Surface Mount YES YES
Technology CMOS CMOS
Temperature Grade INDUSTRIAL INDUSTRIAL
Terminal Form GULL WING GULL WING
Terminal Pitch 0.5 mm 0.5 mm
Terminal Position QUAD QUAD
Width 10 mm 14 mm
uPs/uCs/Peripheral ICs Type MICROCONTROLLER, RISC MICROCONTROLLER, RISC
Base Number Matches 1 1
Part Package Code QFP
Pin Count 100
Additional Feature ALSO REQUIRES 3.3V SUPPLY
Boundary Scan NO

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