56F803 datasheet(25/57 Pages) FREESCALE

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56F803 Technical Data, Rev. 16

Freescale Semiconductor

Thermal Characterization Parameter, Psi-JT (

JT ), is the “resistance” from junction to reference point

thermocouple on top center of case as defined in JESD51-2.

JT is a useful value to use to estimate junction

temperature in steady state customer environments.

Junction temperature is a function of on-chip power dissipation, package thermal resistance, mounting site (board)

temperature, ambient temperature, air flow, power dissipation of other components on the board, and board thermal

resistance.

See Section 5.1 from more details on thermal design considerations.

TJ = Junction Temperature

TA = Ambient Temperature

3.2 DC Electrical Characteristic

Table 3-4 DC Electrical Characteristics

Operating Conditions: V

SS = VSSA = 0 V, VDD = VDDA = 3.0–3.6 V, TA = –40° to +85°C, CL ≤ 50pF, fop = 80MHz

Characteristic

Symbol

Min

Typ

Max

Unit

Input high voltage (XTAL/EXTAL)

VIHC

2.25

—

2.75

Input low voltage (XTAL/EXTAL)

VILC

0—

0.5

Input high voltage (Schmitt trigger inputs)1

VIHS

2.2

—

5.5

Input low voltage (Schmitt trigger inputs)1

VILS

-0.3

—

0.8

Input high voltage (all other digital inputs)

VIH

2.0

—

5.5

Input low voltage (all other digital inputs)

VIL

-0.3

—

0.8

Input current high (pullup/pulldown resistors

disabled, VIN=VDD)

IIH

-1

—

μA

Input current low (pullup/pulldown resistors

disabled, VIN=VSS)

IIL

-1

—

μA

Input current high (with pullup resistor, VIN=VDD)IIHPU

-1

—

μA

Input current low (with pullup resistor, VIN=VSS)IILPU

-210

—

-50

μA

Input current high (with pulldown resistor, VIN=VDD)IIHPD

—

180

μA

Input current low (with pulldown resistor, VIN=VSS)IILPD

-1

—

μA

Nominal pullup or pulldown resistor value

RPU, RPD

Output tri-state current low

IOZL

-10

—

μA

Output tri-state current high

IOZH

-10

—

μA

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