TMS320 datasheet(21/69 Pages) TI

21 / 69 page

High-level input voltage

Low-level input voltage

VIL

VIH

TMS32020

SPRS010B — MAY 1987 — REVISED NOVEMBER 1990

POST OFFICE BOX 1443

• HOUSTON, TEXAS 77001

absolute maximum ratings over specified temperature range (unless otherwise noted)†

Supply voltage range, VCC‡

– 0.3 V to 7 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Input voltage range

– 0.3 V to 7 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Output voltage range

– 0.3 V to 7 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Continuous power dissipation

2 W

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operating free-air temperature range

°C to 70°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Storage temperature range

– 55

°C to 150°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

† Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating only, and

functional operation of the device at these or any other conditions beyond those indicated in the “Recommended Operating Conditions” section of

this specification is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

‡ All voltage values are with respect to VSS.

recommended operating conditions

MIN

NOM

MAX

UNIT

VCC

Supply voltage

4.75

5.25

VSS

Supply voltage

All inputs except CLKIN

VCC + 0.3

CLKIN

2.4

VCC + 0.3

All inputs except CLKIN

– 0.3

0.8

CLKIN

– 0.3

0.8

IOH

High-level output current

300

µA

IOL

Low-level output current

Operating free-air temperature (see Notes 1 and 2)

°C

NOTES: 1. Case temperature (TC) must be maintained below 90°C.

2. R

θJA = 36°C/Watt, RθJC = 6°C/Watt.

electrical characteristics over specified free-air temperature range (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP§

MAX

UNIT

VOH

High-level output voltage

VCC = MIN, IOH = MAX

2.4

VOL

Low-level output voltage

VCC = MIN, IOL = MAX

0.3

0.6

Three-state current

VCC = MAX

–20

µA

Input current

VI = VSS to VCC

–10

µA

TA = 0°C, VCC = MAX, fx = MAX

360

ICC

Supply current

TA = 25°C, VCC = MAX, fx = MAX

250

TC = 90°C, VCC = MAX, fx = MAX

285

Input capacitance

Output capacitance

§ All typical values for ICC are at VCC = 5 V, TA = 25°C.

This device contains circuits to protect its inputs and outputs against damage due to high static voltages or electrostatic fields. These

circuits have been qualified to protect this device against electrostatic discharges (ESD) of up to 2 kV according to MIL-STD-883C,

Method 3015; however, it is advised that precautions should be taken to avoid application of any voltage higher than maximum-rated

voltages to these high-impedance circuits. During storage or handling, the device leads should be shorted together or the device

should be placed in conductive foam. In a circuit, unused inputs should always be connected to an appropriated logic voltage level, preferably either

VCC or ground. Specific guidelines for handling devices of this type are contained in the publication Guidelines for Handling

Electrostatic-Discharge-Sensitive (ESDS) Devices and Assemblies available from Texas Instruments.

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