AT91SAM7S256D-AU Atmel, AT91SAM7S256D-AU Datasheet - Page 592

• Manufacturer Part Number: AT91SAM7S256D-AU
• Description: ARM Microcontrollers - MCU 256K Flash SRAM 64K ARM based MCU
• Manufacturer: Atmel
• Series: SAM7S256r

Specifications of AT91SAM7S256D-AU

• Rohs: yes
• Core: ARM
• Processor Series: AT91SAM
• Data Bus Width: 16 bit/32 bit
• Maximum Clock Frequency: 55 MHz
• Program Memory Size: 256 KB
• Data Ram Size: 64 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 3 V to 3.6 V
• Operating Temperature Range: - 40 C to + 85 C
• Package / Case: LQFP-64
• Mounting Style: SMD/SMT
• Interface Type: 2-Wire, I2S, SPI, USART
• Length: 7 mm

38.4
Soldering Profile
Table 38-11
Table 38-11. Soldering Profile
Note:
A maximum of three reflow passes is allowed per component.
Profile Feature
Average Ramp-up Rate (217°C to Peak)
Preheat Temperature 175°C ±25°C
Temperature Maintained Above 217°C
Time within 5° C of Actual Peak Temperature
Peak Temperature Range
Ramp-down Rate
Time 25° C to Peak Temperature
The package is certified to be backward compatible with Pb/Sn soldering profile.
gives the recommended soldering profile from J-STD-020C.
Green Package
3° C/sec. max.
180 sec. max.
60 sec. to 150 sec.
20 sec. to 40 sec.
260° C
6° C/sec. max.
8 min. max.
SAM7S Series [DATASHEET]
6175M–ATARM–26-Oct-12
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