74CB3T3245DBQRE4 datasheet(4/18 Pages) TI

Part #	74CB3T3245DBQRE4

Description	8-BIT FET BUS SWITCH 2.5-V/3.3-V LOW-VOLTAGE WITH 5-V TOLERANT LEVEL SHIFTER

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Manufacturer	TI [Texas Instruments]

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Absolute Maximum Ratings

(1)

Recommended Operating Conditions

(1)

SN74CB3T3245

8-BIT FET BUS SWITCH

2.5-V/3.3-V LOW-VOLTAGE WITH 5-V-TOLERANT LEVEL SHIFTER

SCDS136 – OCTOBER 2003 – REVISED MARCH 2005

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

MIN

MAX

UNIT

VCC

Supply voltage range(2)

–0.5

7

V

VIN

Control input voltage range(2)(3)

–0.5

7

V

VI/O

Switch I/O voltage range(2)(3)(4)

–0.5

7

V

IIK

Control input clamp current

VIN < 0

–50

mA

II/OK

I/O port clamp current

VI/O < 0

–50

mA

II/O

ON-state switch current(5)

±128

mA

Continuous current through VCC or GND

±100

mA

DBQ package

68

DGV package

92

θ

JA

Package thermal impedance(6)

°C/W

DW package

58

PW package

83

Tstg

Storage temperature range

–65

150

°C

(1)

Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings

only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating

conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

(2)

All voltages are with respect to ground unless otherwise specified.

(3)

The input and output voltage ratings may be exceeded if the input and output clamp-current ratings are observed.

(4)

VI and VO are used to denote specific conditions for VI/O.

(5)

II and IO are used to denote specific conditions for II/O.

(6)

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

MIN

MAX

UNIT

VCC

Supply voltage

2.3

3.6

V

VCC = 2.3 V to 2.7 V

1.7

5.5

VIH

High-level control input voltage

V

VCC = 2.7 V to 3.6 V

2

5.5

VCC = 2.3 V to 2.7 V

0

0.7

VIL

Low-level control input voltage

V

VCC = 2.7 V to 3.6 V

0

0.8

VI/O

Data input/output voltage

0

5.5

V

TA

Operating free-air temperature

–40

85

°C

(1)

All unused control inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report,

Implications of Slow or Floating CMOS Inputs, literature number SCBA004.

4

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