TMS320C6745DPTP3 datasheet(61/227 Pages) TI1

61 / 227 page

TMS320C6745, TMS320C6747

www.ti.com

SPRS377F – SEPTEMBER 2008 – REVISED JUNE 2014

5.3

Recommended Operating Conditions

MIN

NOM

MAX

UNIT

375 MHz versions

1.14

1.2

1.32

Supply voltage, Core

CVDD

(CVDD, PLL0_VDDA)

456 MHz version

1.25

1.3

1.35

375 MHz versions

0.9

1.2

1.32

Supply Voltage, RTC Core

RTC_CVDD (1)

Logic

456 MHz version

0.9

1.3

1.35

375 MHz versions

1.14

1.2

1.32

RVDD

Supply Voltage, Internal RAM

456 MHz version

1.25

1.3

1.35

Supply voltage, I/O, 1.8V

1.71

1.8

1.89

(USB0_VDDA18, USB1_VDDA18)

DVDD

Supply voltage, I/O, 3.3V

3.0

3.3

3.45

(DVDD, USB0_VDDA33, USB1_VDDA33)

Supply ground

VSS

(VSS, PLL0_VSSA, OSCVSS(2), RTC_VSS (2))

High-level input voltage, I/O, 3.3V

VIH

(3)

High-level input voltage, RTC_XI

0.7*RTC_CVDD

High-level input voltage, OSCIN

0.7*CVDD

Low-level input voltage, I/O, 3.3V

0.8

VIL

(3)

Low-level input voltage, RTC_XI

0.3*RTC_CVDD

Low-level input voltage, OSCIN

0.3*CVDD

VHYS

Input Hysteresis

160

USB

USB0_VBUS

4.75

5.25

Transition time, 10%-90%, All Inputs (unless otherwise specified

0.25P or 10(4)

in the electrical data sections)

Commercial

°C

Industrial (D suffix)

-40

°C

Operating ambient

temperature range

Extended (A suffix)

-40

°C

Automotive (T suffix)

-40

105

°C

Commercial

375 / 456

MHz

DSP

Industrial (D suffix)

456

MHz

FSYSCLK1,6

Operating Frequency

Extended (A suffix)

375

MHz

(SYSCLK1)

Automotive (T suffix)

375

MHz

(1)

The RTC provides an option for isolating the RTC_CVDD from the CVDD to reduce current leakage when the RTC is powered

independently. If these power supplies are not isolated (CTRL.SPLITPOWER=0), RTC_CVDD must be equal to or greater than CVDD.

If these power supplies are isolated (CTRL.SPLITPOWER=1), RTC_CVDD may be lower than CVDD.

(2)

When an external crystal is used, oscillator (OSC_VSS, RTC_VSS) ground must be kept separate from other grounds and connected

directly to the crystal load capacitor ground. These pins are shorted to VSS on the device itself and should not be connected to VSS on

the circuit board. If a crystal is not used and the clock input is driven directly, then the oscillator VSS may be connected to board ground.

(3)

Unless specifically indicated, these I/O specifications do not apply to USB I/Os. USB0 I/Os adhere to USB2.0 specification. USB1 I/Os

adhere to USB1.1 specification.

(4)

Whichever is smaller. P = the period of the applied signal. Maintaining transition times as fast as possible is recommended to improve

noise immunity on input signals.

Device Operating Conditions

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TMS320C6745DPTP3 Datasheet(PDF) 61 Page - Texas Instruments

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