TNETV2840ENGGU datasheet(64/91 Pages) TI1

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Electrical Specifications

December 1999 − Revised October 2008

SPRS122F

Electrical Specifications

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

TMS320VC5441 DSP.

Leading “x” in signal names identifies the subsystem; x = A, B, C, or D for subsystem A, B, C, or D, respectively.

Trailing “n” in signal names identifies the McBSP; n = 0, 1, or 2 for McBSP0, McBSP1, or McBSP2, respectively.

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 Section 5.2 is not implied. Exposure to absolute-maximum-rated conditions for extended periods may

affect device reliability. All voltage values are with respect to VSS. Figure 5−1 provides the test load circuit

values for a 3.3-V device.

Supply voltage I/O range, DVDD

− 0.3 V to 4.0 V

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

Supply voltage core range, CVDD

− 0.3 V to 2.0 V

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

Supply voltage analog PLL, VCCA

− 0.3 V to 2.0 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, TC (Commercial)

°C to 85°C

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

TC (Industrial)

−40

°C to 100°C

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

Storage temperature range Tstg

− 65

_C to 150_C

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

5.2

Recommended Operating Conditions

MIN

NOM

MAX

UNIT

DVDD

Device supply voltage, I/O†

3.3

3.6

CVDD

Device supply voltage, core†

1.55

1.6

1.65

VCCA

Device supply voltage, PLL

1.55

1.6

1.65

VSS

Supply voltage, GND

VIH

High-level input voltage, I/O

Schmitt triggered inputs

DVDD = 3.3 ± 0.3 V

0.7DVDD

DVDD + 0.3

VIH

High-level input voltage, I/O

All other inputs

DVDD + 0.3

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

− 1

IOL

Low-level output current

1.5

Operating case temperature, Commercial

°C

Operating case temperature, Industrial

−40

100

°C

† Texas Instrument DSPs do not require specific power sequencing between the core supply and the I/O supply. However, systems should be

designed to ensure that neither supply is powered up for extended periods of time if the other supply is below the proper operating voltage.

Excessive exposure to these conditions can adversely affect the long-term reliability of the devices. System-level concerns such as bus

contention may require supply sequencing to be implemented. In this case, the core supply should be powered up at the same time as or prior

to the I/O buffers, and then powered down after the I/O buffers.

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