DSP56362P datasheet(28/152 Pages) FREESCALE

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Thermal Characteristics

DSP56362 Technical Data, Rev. 4

3-2

Freescale Semiconductor

3.3

Thermal Characteristics

3.4

DC Electrical Characteristics

Operating temperature range

−40 to +105

°C

Storage temperature

TSTG

−55 to +125

°C

1 GND = 0 V, V

CC = 3.3 V ± .16 V, TJ = 0°C to +100°C, CL = 50 pF

2 Absolute maximum ratings are stress ratings only, and functional operation at the maximum is not guaranteed. Stress beyond

the maximum rating may affect device reliability or cause permanent damage to the device.

3 CAUTION: All “5 V Tolerant” input voltages must not be more than 3.95 V greater than the supply voltage; this restriction

applies to “power on”, as well as during normal operation. In any case, the input voltages cannot be more than 5.75 V. “5 V

Tolerant” inputs are inputs that tolerate 5 V.

Table 3-2 Thermal Characteristics

Characteristic

SymbolLQFP Value

Unit

Junction-to-ambient thermal resistance1

1 Junction-to-ambient thermal resistance is based on measurements on a horizontal single-sided printed circuit board per SEMI

G38-87 in natural convection.(SEMI is Semiconductor Equipment and Materials International, 805 East Middlefield Rd.,

Mountain View, CA 94043, (415) 964-5111.

Measurements were done with parts mounted on thermal test boards conforming to specification EIA/JESD51-3.

RθJA or θJA

45.3

°C/W

Junction-to-case thermal resistance2

2 Junction-to-case thermal resistance is based on measurements using a cold plate per SEMI G30-88, with the exception that

the cold plate temperature is used for the case temperature.

RθJC or θJC

10.1

°C/W

Thermal characterization parameter

5.5

°C/W

Table 3-3 DC Electrical Characteristics1

Characteristics

Symbol

Min

Typ

Max

Unit

Supply voltage

VCC

3.14

3.3

3.46

Input high voltage

• D(0:23), BG, BB, TA, DE, and PINIT/NMI

•MOD2/IRQ2, RESET, and TCK/TDI/TMS/

TRST/ESAI/Timer/HDI08/ SHI(SPI mode) pins

•SHI(I2C mode) pins

• EXTAL3

VIH

VIHP

VIHX

2.0

1.5

0.8

× V

—

VCC

VCC + 3.95

VCC

Input low voltage

• D(0:23), BG, BB, TA, MOD2/IRQ2, RESET, PINIT/NMI

• All JTAG/ESAI/Timer/HDI08/ SHI(SPI mode) pins

•SHI(I2C mode) pins

• EXTAL3

VIL

VILP

VILX

–0.3

—

0.8

0.3

× V

0.2

× V

Table 3-1 Maximum Ratings (continued)

Rating1

Symbol

Value1

, 2

Unit

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