AT91SAM7S256D-MU vs AT91SAM7S512B-MU feature comparison

AT91SAM7S256D-MU Atmel Corporation

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AT91SAM7S512B-MU Atmel Corporation

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Rohs Code Yes Yes
Part Life Cycle Code Transferred Transferred
Ihs Manufacturer ATMEL CORP ATMEL CORP
Package Description GREEN, MO-220, QFN-64 HVQCCN, LCC64,.35SQ,20
Reach Compliance Code compliant compliant
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-PQCC-N64 S-PQCC-N64
Length 9 mm 9 mm
Number of I/O Lines 32 32
Number of Terminals 64 64
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 HVQCCN HVQCCN
Package Equivalence Code LCC64,.35SQ,20 LCC64,.35SQ,20
Package Shape SQUARE SQUARE
Package Style CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Qualification Status Not Qualified Not Qualified
RAM (bytes) 65536 65536
ROM (words) 262144 524288
ROM Programmability FLASH FLASH
Seated Height-Max 0.9 mm 0.9 mm
Speed 55 MHz 55 MHz
Supply Voltage-Max 1.95 V 1.95 V
Supply Voltage-Min 1.65 V 1.65 V
Supply Voltage-Nom 1.8 V 1.8 V
Surface Mount YES YES
Technology CMOS CMOS
Temperature Grade INDUSTRIAL INDUSTRIAL
Terminal Form NO LEAD NO LEAD
Terminal Pitch 0.5 mm 0.5 mm
Terminal Position QUAD QUAD
Width 9 mm 9 mm
uPs/uCs/Peripheral ICs Type MICROCONTROLLER, RISC MICROCONTROLLER, RISC
Base Number Matches 1 2
Part Package Code QFN
Pin Count 64
Additional Feature ALSO REQUIRES 3.3V SUPPLY

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