SN74AHC1G126DBVR datasheet(5/22 Pages) TI1

部件名	SN74AHC1G126DBVR

功能描述	SINGLE BUS BUFFER GATE WITH 3-STATE OUTPUT

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SN74AHC1G126

www.ti.com

SCLS379K – AUGUST 1997 – REVISED DECEMBER 2014

7.4 Thermal Information

SN74AHC1G126

THERMAL METRIC(1)

DBV

DCK

DRL

UNIT

5 PINS

RθJA

Junction-to-ambient thermal resistance

231.3

287.6

328.7

RθJC(top)

Junction-to-case (top) thermal resistance

119.9

97.7

105.1

RθJB

Junction-to-board thermal resistance

60.6

65.

150.3

°C/W

ψJT

Junction-to-top characterization parameter

17.8

2.0

6.9

ψJB

Junction-to-board characterization parameter

60.1

64.2

148.4

(1)

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

7.5 Electrical Characteristics

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

TA = 25°C

–40°C to 85°C

–40°C to 125°C

PARAMETER

TEST CONDITIONS

VCC

UNIT

MIN

TYP

MAX

MIN

MAX

MIN

MAX

2 V

1.9

2

1.9

IOH = –50 µA

3 V

2.9

3

2.9

VOH

4.5 V

4.4

4.5

4.4

V

IOH = −4 mA

3 V

2.58

2.48

IOH = −8 mA

4.5 V

3.94

3.8

2 V

0.1

IOL = 50 µA

3 V

0.1

VOL

4.5 V

0.1

V

IOL = 4 mA

3 V

0.36

0.44

IOL = 8 mA

4.5 V

0.36

0.44

0 V to

II

VI = 5.5 V or GND

±0.1

±1

µA

5.5 V

IOZ

VI = VCC or GND

5.5 V

±0.25

±2.5

µA

ICC

VI = VCC or GND,

IO = 0

5.5 V

1

10

µA

Ci

VI = VCC or GND

5 V

4

10

pF

Co

VO = VCC or GND

5 V

10

pF

7.6 Switching Characteristics, VCC = 3.3 V ± 0.3 V

over recommended operating free-air temperature range (unless otherwise noted) (see Figure 3)

TA = 25°C

–40°C to 85°C

–40°C to 125°C

FROM

TO

LOAD

PARAMETER

UNIT

(INPUT)

(OUTPUT)

CAPACITANCE

MIN

TYP

MAX

MIN

MAX

MIN

MAX

tPLH

5.6

8

1

9.5

1

10

A

Y

CL = 15 pF

ns

tPHL

5.6

8

1

9.5

1

10

tPZH

5.4

8

1

9.5

1

10

OE

Y

CL = 15 pF

ns

tPZL

5.4

8

1

9.5

1

10

tPHZ

7

9.7

1

11.5

1

12.5

OE

Y

CL = 15 pF

ns

tPLZ

7

9.7

1

11.5

1

12.5

tPLH

8.1

11.5

1

13

1

14

A

Y

CL = 50 pF

ns

tPHL

8.1

11.5

1

13

1

14

tPZH

7.9

11.5

1

13

1

14

OE

Y

CL = 50 pF

ns

tPZL

7.9

11.5

1

13

1

14

tPHZ

9.5

13.2

1

15

1

16

OE

Y

CL = 50 pF

ns

tPLZ

9.5

13.2

1

15

1

16

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