SPRUG21 datasheet(73/214 Pages) TI

73 / 214 page

TMS320C6474

www.ti.com

SPRS552H

– OCTOBER 2008 – REVISED APRIL 2011

6.2

Recommended Operating Conditions

(1) (2)

MIN

NOM

MAX UNIT

CVDD

Supply core voltage (scalable)(1)

CVDD - (0.03CVDD)

0.9 - 1.2

CVDD + (0.03CVDD)

DVDD11

1.1-V supply core I/O voltage

1.045

1.1

1.155

DVDD18

1.8-V supply I/O voltage

1.71

1.8

1.89

VREFSSTL

DDR2 reference voltage

0.49 * DVDD18

0.5 * DVDD18

0.51 * DVDD18

AIF_VDDA11

AIF SERDES analog supply

1.045

1.1

1.155

AIF_VDDD11

AIF SERDES digital supply

1.045

1.1

1.155

AIF_VDDR18

AIF SERDES regulator supply

1.71

1.8

1.89

AIF_VDDT11

AIF SERDES termination supply

1.045

1.1

1.155

SGR_VDDA11 SRIO/SGMII SERDES analog supply

1.045

1.1

1.155

SGR_VDDD11 SRIO/SGMII SERDES digital supply

1.045

1.1

1.155

SGR_VDDR18 SRIO/SGMII SERDES regulator supply

1.71

1.8

1.89

SGR_VDDT11

SRIO/SGMII SERDES termination supply

1.045

1.1

1.155

AVDD118

PLL1 analog supply

1.71

1.8

1.89

AVDD218

PLL2 analog supply

1.71

1.8

1.89

VSS

Ground

Input voltage at PADP or PADN

Input frequency

625 MHz

VID

Peak-to-peak differential input voltage

250

2000

1.8-V Single

0.65 * DVDD18

Ended I/Os

VIH

High-level input voltage(3)

I2C/VCNTL,

0.7 * DVDD18

SmartReflex

DDR2 EMIF

VREFSSTL + 0.125

DVDD18 + 0.3

1.8-V Single

0.35 * DVDD18

Ended I/Os

VIL

Low-level input voltage(3)

DDR2 EMIF

-0.3

VREFSSTL - 0.1

I2C/VCNTL

0.3 * DVDD18

1.2-GHz device

(commercial

temperature)

1.2-GHz device

(extended

-40

temperature)(4)

Operating case temperature

°C

850-MHz and

1.0-GHz device

100

(commercial

temperature)

1.0-GHz device

(extended

-40

100

temperature)

(1)

A heatsink and implementation of the SmartReflex solution is required for proper device operation. For more details on SmartReflex, see

Section 7.3.4.

(2)

All SERDES I/Os comply with the XAUI Electical Specification, IEEE 802.3ae-2002.

(3)

All differential clock inputs comply with the Frame Sync Differential Clocks Electrical Specification, IEEE 1596.3-1996 and all SERDES

I/Os comply with the XAUI Electical Specification, IEEE 802.3ae-2002.

(4)

Advance Information is presented in this document for the C6474 1.2-GHz extended temperature device.

Device Operating Conditions

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