TMS570LS3137 datasheet(45/159 Pages) TI

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TMS570LS3137

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SPNS162.

– SEPTEMBER 2011

3.6

Input/Output Electrical Characteristics Over Recommended Operating Conditions

(1)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Input hysteresis

All inputs (except

180

FRAYRX1,

Vhys

FRAYRX2)

FRAYRX1, FRAYRX2

100

All inputs(2) (except

-0.3

0.8

FRAYRX1,

VIL

Low-level input voltage

FRAYRX2)

FRAYRX1, FRAYRX2

0.4 VCCIO

All inputs(2) (except

VCCIO + 0.3

FRAYRX1,

VIH

High-level input voltage

FRAYRX2)

FRAYRX1, FRAYRX2

0.6 VCCIO

IOL = IOLmax

0.2 VCCIO

IOL = 50 µA, standard

0.2

output mode

VOL

Low-level output voltage

IOL = 50 µA, low-EMI

0.2 VCCIO

output mode (see

Section 3.10)

IOH = IOHmax

0.8 VCCIO

IOH = 50 µA, standard

VCCIO -0.2

output mode

VOH

High-level output voltage

IOH = 50 µA, low-EMI

0.8 VCCIO

output mode (see

Section 3.10)

VI < VSSIO - 0.3 or VI

-2

IIC

Input clamp current (I/O pins)

> VCCIO + 0.3

IIH Pulldown 20µA

VI = VCCIO

IIH Pulldown 100µA

VI = VCCIO

195

Input current (I/O pins)

IIL Pullup 20µA

VI = VSS

-40

-5

µA

IIL Pullup 100µA

VI = VSS

-195

-40

All other pins

No pullup or pulldown

-1

Input capacitance

Output capacitance

(1)

Source currents (out of the device) are negative while sink currents (into the device) are positive.

(2)

This does not apply to the nPORRST pin.

3.7

Output Buffer Drive Strengths

Table 3-2. Output Buffer Drive Strengths

Low-level Output Current,

IOL for VI=VOLmax

Signals

High-level Output Current,

IOH for VI=VOHmin

FRAYTX2, FRAYTX1, FRAYTXEN1, FRAYTXEN2,

MIBSPI5CLK, MIBSPI5SOMI[0],

MIBSPI5SOMI[1],

MIBSPI5SOMI[2],

MIBSPI5SOMI[3],

MIBSPI5SIMO[0], MIBSPI5SIMO[1], MIBSPI5SIMO[2], MIBSPI5SIMO[3],

8mA

TMS, TDI, TDO, RTCK,

SPI4CLK, SPI4SIMO, SPI4SOMI, nERROR,

N2HET2[1], N2HET2[3],

All EMIF Outputs and I/Os, All ETM Outputs

Device Operating Conditions

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