DM385 datasheet(125/281 Pages) TI

125 / 281 page

DM385, DM388

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SPRS821D – MARCH 2013 – REVISED DECEMBER 2013

Recommended Operating Conditions (continued)

PARAMETER

MIN

NOM

MAX

UNIT

High-level input voltage, LVCMOS (JTAG[TCK] pins), 3.3

V(2)

High-level input voltage, JTAG[TCK], 3.3 V

2.15

High-level input voltage, JTAG[TCK], 1.8 V

1.45

High-level input voltage, I2C (I2C[0] and I2C[1])

0.7DVDD

High-level input voltage, LVCMOS(2), 1.8 V

0.65DVDDx

VIH

High-level input voltage, DDR[0] signals in DDR2 mode

VREFSSTL_DDR[x]

+ 0.125

High-level input voltage, DDR[0] signals in DDR3 mode

VREFSSTL_DDR[x]

+ 0.1

High-level input voltage, DDR[0] signals in DDR3L mode

VREFSSTL_DDR[x]

+ 0.09

Low-level input voltage, LVCMOS(2), 3.3 V

0.8

Low-level input voltage, JTAG[TCK]

0.45

Low-level input voltage, I2C (I2C[0] and I2C[1])

0.3DVDDx

Low-level input voltage, LVCMOS(2), 1.8 V

0.35DVDDx

Low-level input voltage, DDR[0] signals in DDR2 mode

VREFSSTL_DDR[x]

VIL

- 0.125

Low-level input voltage, DDR[0] signals in DDR3 mode

VREFSSTL_DDR[x]

- 0.1

Low-level input voltage, DDR[0] signals in DDR3L mode

VREFSSTL_DDR[x]

- 0.09

High-level output current

6 mA I/O buffers

-6

IOH

DDR[0] buffer @ 50-

-8

impedance setting

Low-level output current

6 mA I/O buffers

IOL

DDR[0] buffer @ 50-

impedance setting

VID

Differential input voltage (SERDES_CLKN/P), [AC coupled]

0.250

2.0

Transition time, 10% - 90%, All inputs (unless otherwise

specified in the Electrical Data/Timing sections of each

0.25P or 10(4)

peripheral)

Operating junction temperature

Commercial

°C

range(5)

Temperature (default)

Extended temperature

-40

°C

(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.

(5)

For more detailed information on estimating junction temps within systems, see the IC Package Thermal Metrics Application Report

(Literature Number: SPRA953).

Device Operating Conditions

125

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