TMP320C6720RFP300 datasheet(34/118 Pages) TI

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4.4 Electrical Characteristics

TMS320C6727B, TMS320C6726B, TMS320C6722B, TMS320C6720

Floating-Point Digital Signal Processors

SPRS370E – SEPTEMBER 2006 – REVISED JULY 2008

www.ti.com

Over Operating Case Temperature Range (Unless Otherwise Noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VOH

High Level Output Voltage

IO = –100 µA

DVDD – 0.2

VOL

Low Level Output Voltage

IO = 100 µA

0.2

IOH

High-Level Output Current

VO = 0.8 DVDD

–8

IOL

Low-Level Output Current

VO = 0.22 DVDD

VIH

High-Level Input Voltage

DVDD

VIL

Low-Level Input Voltage

0.8

VHYS

Input Hysterisis

0.13 DVDD

II, IOZ

Input Current and Off State Output

Pins without pullup or pulldown

±10

Current

Pins with internal pullup

–50

–170

µA

Pins with internal pulldown

170

ttr

Input Transition Time

Input Capacitance

Output Capacitance

IDD2V

CVDD Supply

(1)

GDH/ZDH, CVDD = 1.2 V,

658

CPU clock = 300 MHz

RFP, CVDD = 1.2 V,

555

CPU clock = 250 MHz

IDD3V

DVDD Supply

(1)

GDH/ZDH, DVDD = 3.3 V,

32-bit EMIF speed = 100 MHz

RFP, DVDD = 3.3 V,

16-bit EMIF speed = 100 MHz

(1)

Assumes the following conditions: 25

°C case temperature; 60% CPU utilization; EMIF at 50% utilization (100 MHz), 50% writes, (32 bits

for GDH/ZDH, 16 bits for RFP), 50% bit switching; two 10-MHz SPI at 100% utilization, 50% bit switching.

The actual current draw is highly application-dependent. For more details on core and I/O activity, refer to the TMS320C672x Power

Consumption Summary Application Report (literature number SPRAAA4).

Peripheral and Electrical Specifications

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