TUSB7320 datasheet(10/122 Pages) TI2

10 / 122 page

5.4 Thermal Information

THERMAL METRIC(1)

TUSB7320, TUSB7340

UNIT

RKM (WQFN-MR)

100 PINS

RθJA

Junction-to-ambient thermal resistance

25.6

°C/W

RθJC(top)

Junction-to-case (top) thermal resistance

9.5

°C/W

RθJB

Junction-to-board thermal resistance

15.2

°C/W

ψJT

Junction-to-top characterization parameter

0.1

°C/W

ψJB

Junction-to-board characterization parameter

7.5

°C/W

RθJC(bot)

Junction-to-case (bottom) thermal resistance

0.4

°C/W

(1)

For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application

report, SPRA953.

5.5 3.3-V I/O Electrical Characteristics

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

PARAMETER

OPERATION

TEST CONDITIONS

MIN

MAX UNIT

VIH

High-level input voltage(1)

VDD33

VIL

Low-level input voltage(1)

VDD33

0.8

JTAG pins only

0.55

Input voltage

VDD33

Output voltage(2)

VDD33

Input transition time (trise and tfall)

Vhys

Input hysteresis(3)

0.13 VDD33

VOH

High-level output voltage

VDD33

IOH = −4 mA

2.4

VOL

Low-level output voltage

VDD33

IOL = 4 mA

0.4

IOZ

High-impedance, output current(2)

VDD33

VI = 0 to VDD33

±20

µA

IOZP

High-impedance, output current with internal pullup or

pull-down resistor(4)

VDD33

VI = 0 to VDD33

±225

µA

Input current(5)

VDD33

VI = 0 to VDD33

±15

µA

(1)

Applies to external inputs and bidirectional buffers.

(2)

Applies to external outputs and bidirectional buffers.

(3)

Applies to PERST, GRST, and PME.

(4)

Applies to GRST (pullup) and most GPIO (pullup).

(5)

Applies to external input buffers.

5.6 Input Clock Specification

See External Clock.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Frequency Tolerance

Operational

Temperature

±50

ppm

Frequency Stability

1 year aging

±100

ppm

Rise / Fall Time

20% - 80%

Reference Clock RJ with JTF (1 sigma)(1) (2)

0.8

Reference Clock TJ with JTF (total p-p)(2) (3)

Reference Clock Jitter

(absolute p-p)(4)

(1)

Sigma value assuming Gaussian distribution.

(2)

After application of JTF.

(3)

Calculated as 14.1 x RJ+DJ

TUSB7320, TUSB7340

SLLSE76Q – MARCH 2011 – REVISED MARCH 2024

www.ti.com

Submit Document Feedback

Product Folder Links: TUSB7320 TUSB7340

TUSB7320 Datasheet(PDF) 10 Page - Texas Instruments

TUSB7320 Datasheet(HTML) 10 Page - Texas Instruments

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL