TS3DDR32611

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SCDS347A – AUGUST 2013 – REVISED SEPTEMBER 2013

FUNCTION TABLE

STATE

VTT

VREF

SWITCH

L

L

OFF(Discharge)

OFF(Discharge)

Disabled

Low Speed mode

H

L

ON

ON

Disabled

High Speed mode

H

H

ON

ON

Enabled

(1)

The VTT_EN and ODT_EN pins has 6M

Ω weak pull-down resistor to GND to make its default value to be LOW.

(2)

For VTT_EN= L and ODE_EN= H, the TS3DDR32611 will also stays in the power down mode. However, there will be an increased

leakage current of up to max 25µA depending on the voltage level of ODT_EN and is thus not a recommended setting to use.

ABSOLUTE MAXIMUM RATINGS

over operating free-air temperature range (unless otherwise noted)

(1) (2)

MIN

MAX

UNIT

–0.3

5.5

V

–0.3

5.5

V

(3)

–0.3

3.6

V

(3)

–0.3

3.6

V

(3)

–0.3

3.6

V

(3)

–0.3

3.6

V

PGND

–0.3

0.3

V

HBM

Electrostatic discharge QSS 009-105 (JESD22-A114A)

2

kV

CDM

Electrostatic discharge QSS 009-147 (JESD22-C101B.01)

500

V

Junction temperature

–40

125

°C

Operating free-air temperature

–55

150

°C

(1)

Stresses above these ratings may cause permanent damage. Exposure to absolute maximum conditions for extended periods may

degrade device reliability. These are stress ratings only, and functional operation of the device at these or any other conditions beyond

those specified is not implied.

(2)

The algebraic convention, whereby the most negative value is a minimum and the most positive value is a maximum.

(3)

All voltages are with respect to GND, unless otherwise specified.

PACKAGE THERMAL IMPEDANCE

(1)

TYP

UNIT

Package thermal impedance

ZQC package

°C/W

(1)

The package thermal impedance is calculated in accordance with JESD 51-7.

(2)

69.2°C/W With 4 Central GND vias when layout.

RECOMMENDED OPERATING CONDITIONS

over operating free-air temperature range (unless otherwise noted)

MIN

MAX

UNIT

3.0

3.6

V

0

3.6

V

(1)

1.2

1.5

V

VTT+0.4

1.5

V

(1)

0

0.75

V

(1)

0

0.75

V

PGND

–0.1

0.1

V

Operating free-air temperature

–40

85

°C

(1)

All voltages are with respect to GND, unless otherwise specified.

Copyright © 2013, Texas Instruments Incorporated

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