N74LVC8T245-EP datasheet(6/26 Pages) TI1

Part #	N74LVC8T245-EP

Description	8-Bit Dual-Supply Bus Transceiver With Configurable Voltage Translation and Tri-State Outputs

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6

SN74LVC8T245-EP

SCES770A – DECEMBER 2008 – REVISED MARCH 2017

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(1)

For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.

7.4 Thermal Information PW, DW and RHL

THERMAL METRIC(1)

SN74LVC8T245-EP

UNIT

PW

DW

RHL

24 PINS

RθJA

Junction-to-ambient thermal resistance

90.6

68.1

36.2

°C/W

RθJC(top) Junction-to-case (top) thermal resistance

27.6

35.6

27.9

°C/W

RθJB

Junction-to-board thermal resistance

45.3

37.8

13.5

°C/W

ψJT

Junction-to-top characterization parameter

1.3

13

0.5

°C/W

ψJB

Junction-to-board characterization parameter

44.8

37.5

13.4

°C/W

RθJC(bot) Junction-to-case (bottom) thermal resistance

N/A

3.6

°C/W

(1)

VCCO is the VCC associated with the output port.

(2)

VCCI is the VCC associated with the input port.

7.5 Electrical Characteristics

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

(1) (2)

PARAMETER

TEST CONDITIONS

VCCA

VCCB

TA = 25°C

TA = –55°C to 125°C

UNIT

MIN

TYP MAX

MIN

MAX

VOH

IOH = –100 μA,

VI = VIH

1.65 V to 4.5 V

VCCO – 0.1

V

IOH = –4 mA,

VI = VIH

1.65 V

1.2

IOH = –8 mA,

VI = VIH

2.3 V

1.9

IOH = –24 mA,

VI = VIH

3 V

2.4

IOH = –32 mA,

VI = VIH

4.5 V

3.8

VOL

IOL = 100 μA,

VI = VIL

1.65 V to 4.5 V

0.1

V

IOL = 4 mA,

VI = VIL

1.65 V

0.45

IOL = 8 mA,

VI = VIL

2.3 V

0.3

IOL = 24 mA,

VI = VIL

3 V

0.55

IOL = 32 mA,

VI = VIL

4.5 V

0.55

II

DIR

VI = VCCA or GND

1.65 V to 5.5 V

–1

1

–2

2

μA

Ioff

A or B

port

VI or VO = 0 to 5.5 V

0 V

0 V to 5.5 V

–1

1

–11

11

μA

0 V to 5.5 V

0 V

–1

1

–11

11

IOZ

A or B

port

VO = VCCO or GND,

OE = VIH

1.65 V to 5.5 V

–1

1

–6

6

μA

ICCA

VI = VCCI or GND,

IO = 0

1.65 V to 5.5 V

20

μA

5 V

0 V

20

0 V

5 V

–10

ICCB

VI = VCCI or GND,

IO = 0

1.65 V to 5.5 V

20

μA

5 V

0 V

–10

0 V

5 V

20

ICCA +

ICCB

VI = VCCI or GND,

IO = 0

1.65 V to 5.5 V

40

μA

ΔICCA

A port

One A port at VCCA – 0.6 V,

DIR at VCCA, B port = open

3 V to 5.5 V

50

μA

DIR

DIR at VCCA – 0.6 V,

B port = open,

A port at VCCA or GND

50

ΔICCB

B port

One B port at VCCB – 0.6 V,

DIR at GND, A port = open

3 V to 5.5 V

50

μA

Ci

Control

inputs

VI = VCCA or GND

3.3 V

4

5

pF

Cio

A or B

port

VO = VCCA/B or GND

3.3 V

8.5

10

pF

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