DSP56857E datasheet(23/53 Pages) FREESCALE

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DC Electrical Characteristics

56857 Technical Data, Rev. 6

Freescale Semiconductor

4.2 DC Electrical Characteristics

Table 4-3 Thermal Characteristics1

1. See Section 6.1 for more detail.

Characteristic

100-pin LQFP

Symbol

Value

Unit

Thermal resistance junction-to-ambient

(estimated)

θJA

41.2

°C/W

I/O pin power dissipation

PI/O

User Determined

Power dissipation

PD = (IDD × VDD) + PI/O

Maximum allowed PD

PDMAX

(TJ – TA) / RθJA 2

2. TJ = Junction Temperature

TA = Ambient Temperature

Table 4-4 DC Electrical Characteristics

Operating Conditions: VSS = VSSIO = VSSA = 0 V, VDD = 1.62-1.98V, VDDIO = VDDA = 3.0–3.6V, TA = –40° to +120°C, CL ≤ 50pF, fop = 120MHz

Characteristic

Symbol

Min

Typ

Max

Unit

Input high voltage (XTAL/EXTAL)

VIHC

VDDA – 0.8

VDDA

VDDA + 0.3

Input low voltage (XTAL/EXTAL)

VILC

-0.3

—

0.5

Input high voltage

VIH

2.0

—

5.5

Input low voltage

VIL

-0.3

—

0.8

Input current low (pullups disabled)

IIL

-1

—

μA

Input current high (pullups disabled)

IIH

-1

—

μA

Output tri-state current low

IOZL

-10

—

μA

Output tri-state current high

IOZH

-10

—

μA

Output High Voltage

VOH

VDDIO – 0.7

—

Output Low Voltage

VOL

——

0.4

Output High Current

IOH

8—

Output Low Current

IOL

8—

Input capacitance

CIN

—8

—

Output capacitance

COUT

—12

—

VDD supply current (Core logic, memories, peripherals)

Run 1

Deep Stop2

Light Stop3

IDD4

—

0.05

110

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