TMS320VC5421 datasheet(61/104 Pages) TI1

61 / 104 page

Electrical Specifications

December 1999 − Revised October 2008

SPRS098D

Electrical Specifications

This section provides the absolute maximum ratings and the recommended operating conditions for the

TMS320VC5421 DSP.

5.1

Absolute Maximum Ratings

The list of absolute maximum ratings are specified over operating case temperature. Stresses beyond those

listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress

ratings only, and functional operation of the device at these or any other conditions beyond those indicated

under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions

for extended periods may affect device reliability. All voltage values are with respect to VSS.

Supply voltage I/O range, DVDD

− 0.5 V to 4.0 V

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

Supply voltage core range, CVDD

− 0.5 V to 2.4 V

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

Supply voltage analog PLL range, AVDD

− 0.5 V to 2.4 V

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

Input voltage range, VI

− 0.5 V to DVDD + 0.5 V

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

Output voltage range, Vo

− 0.5 V to DVDD + 0.5 V

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

Operating case temperature range,

°C to 85°C

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

Storage temperature range Tstg

− 65

_C to 150_C

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

5.2

Recommended Operating Conditions

The device recommended operating conditions are supplied in Table 5−1 and the electrical characteristics

over recommended operating case temperature range (unless otherwise noted) are listed in Table 5−2.

Figure 5−1 provides the test load circuit values for a 3.3-V device.

Table 5−1. Recommended Operating Conditions

MIN

NOM

MAX

UNIT

DVDD

Device supply voltage, I/O

3.3

3.6

CVDD

Device supply voltage, core

1.75

1.80

1.98

AVDD

Device supply voltage, PLL

1.75

1.80

1.98

VSS

Supply voltage, GND

VIH

High-level input voltage, I/O

Schmitt triggered inputs

DVDD = 3.3 ± 0.3 V

0.7DVDD

DVDD

VIH

High-level input voltage, I/O

All other inputs

DVDD

VIL

Low-level input voltage, I/O

Schmitt triggered inputs

DVDD = 3.3 ± 0.3 V

0.3DVDD

VIL

Low-level input voltage, I/O

All other inputs

0.8

IOH

High-level output current

−300

µA

IOL

Low-level output current

1.5

Operating case temperature

°C

TMS320VC5421 Datasheet(PDF) 61 Page - Texas Instruments

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