TMS320VC5503 datasheet(67/123 Pages) TI

67 / 123 page

Electrical Specifications

April 2004 − Revised January 2005

SPRS245C

5.2.2 Recommended Operating Conditions for CVDD = 1.35 V (144 MHz)

MIN

NOM

MAX

UNIT

Core

CVDD

Device supply voltage

1.28

1.35

1.42

Peripherals

RCVDD

RTC module supply voltage, core

1.28

1.35

1.42

RDVDD

RTC module supply voltage, I/O (RTCINX1 and RTCINX2)

1.28

1.35

1.42

DVDD

Device supply voltage, I/O (except SDA and SCL)†

2.7

3.3

3.6

Grounds

VSS

Supply voltage, GND, I/O, and core

VIH

High-level input voltage, I/O

SDA & SCL: VDD related input

levels†

0.7*DVDD

DVDD(max) +0.5

VIH

High-level input voltage, I/O

All other inputs

(including hysteresis inputs)

2.0

DVDD + 0.3

VIL

Low-level input voltage, I/O

SDA &SCL: VDD related input

levels†

−0.5

0.3 * DVDD

VIL

Low-level input voltage, I/O

All other inputs

(including hysteresis inputs)

−0.3

0.8

Vhys

Hysteresis level

Inputs with hysteresis only

0.1*DVDD

IOH

High-level output current

All outputs

−4

IOL

Low-level output current

SDA and SCL†

IOL

Low-level output current

All other outputs

Operating case temperature

−40

† The I2C pins SDA and SCL do not feature fail-safe I/O buffers. These pins could potentially draw current when the device is powered down.

Due to the fact that different voltage devices can be connected to the I2C bus, the level of logic 0 (low) and logic 1 (high) are not fixed and

depends on the associated VDD.

TMS320VC5503 Datasheet(PDF) 67 Page - Texas Instruments

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