74AVCH16T245ZQLR_技术文档

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SCES587A − AUGUST 2004 − REVISED OCTOBER 2004

DGG OR DGV PACKAGE

(TOP VIEW)

D

Control Inputs V /V Levels Are

IH IL

Referenced to V

Voltage

CCA

V

Isolation Feature − If Either V

Input

CC

1DIR

1B1

1B2

GND

1B3

1B4

1OE

1A1

1A2

GND

1A3

1A4

1

48

47

46

45

44

43

42

41

40

39

38

37

36

35

34

33

32

31

30

29

28

27

26

25

Is at GND, Both Ports Are in the

High-Impedance State

2

3

D

Overvoltage-Tolerant Inputs/Outputs Allow

Mixed-Voltage-Mode Data Communications

4

5

Fully Configurable Dual-Rail Design Allows

Each Port to Operate Over the Full 1.2-V to

3.6-V Power-Supply Range

6

V

7

CCB

1B5

CCA

1A5

1A6

GND

1A7

1A8

2A1

2A2

GND

2A3

2A4

8

1B6

GND

1B7

1B8

2B1

2B2

GND

2B3

2B4

D

I

Supports Partial-Power-Down Mode

9

off

Operation

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

D

I/Os Are 4.6-V Tolerant

D

Bus Hold on Data Inputs Eliminates the

Need for External Pullup/Pulldown

Resistors

D

Latch-Up Performance Exceeds 100 mA Per

JESD 78, Class II

ESD Protection Exceeds JESD 22

− 8000-V Human-Body Model (A114-A)

− 200-V Machine Model (A115-A)

V

CCB

2B5

CCA

2A5

2A6

GND

2A7

2A8

2OE

2B6

GND

2B7

2B8

2DIR

− 1000-V Charged-Device Model (C101)

description/ordering information

This 16-bit noninverting bus transceiver uses two

separate configurable power-supply rails. The

SN74AVCH16T245 is optimized to operate with

V

/V

set at 1.4 V to 3.6 V. It is operational with V

accepts any supply voltage from 1.2 V to 3.6 V. The B port is designed to track V

/V

as low as 1.2 V. The A port is designed to track

CCA CCB

. V

accepts

CCA CCA

CCB CCB

any supply voltage from 1.2 V to 3.6 V. This allows for universal low-voltage bidirectional translation between

any of the 1.2-V, 1.5-V, 1.8-V, 2.5-V, and 3.3-V voltage nodes.

The SN74AVCH16T245 is designed for asynchronous communication between data buses. The device

transmits data from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at the

direction-control (DIR) input. The output-enable (OE) input can be used to disable the outputs so the buses are

effectively isolated.

The SN74AVCH16T245 is designed so that the control pins (1DIR, 2DIR, 1OE, and 2OE) are supplied by V

.

CCA

ORDERING INFORMATION

ORDERABLE

PART NUMBER

TOP-SIDE

MARKING

†

T

PACKAGE

TSSOP − DGG

A

Tape and reel SN74AVCH16T245GR

Tape and reel SN74AVCH16T245VR

AVCH16T245

WJ245

TVSOP − DGV

−40°C to 85°C

VFBGA − GQL

SN74AVCH16T245KR

Tape and reel

WJ245

VFBGA − ZQL (Pb-free)

74AVCH16T245ZQLR

†

Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are

available at www.ti.com/sc/package.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

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Copyright  2004, Texas Instruments Incorporated

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1

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

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SCES587A − AUGUST 2004 − REVISED OCTOBER 2004

description/ordering information (continued)

This device is fully specified for partial-power-down applications using I . The I circuitry disables the outputs,

off

preventing damaging current backflow through the device when it is powered down.

The V

state.

isolation feature ensures that if either V

input is at GND, then both ports are in the high-impedance

CC

Active bus-hold circuitry holds unused or undriven inputs at a valid logic state. Use of pullup or pulldown resistors

with the bus-hold circuitry is not recommended.

To ensure the high-impedance state during power up or power down, OE should be tied to V

resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

through a pullup

CC

GQL OR ZQL PACKAGE

(TOP VIEW)

terminal assignments

1

2

3

4

5

6

1

2

3

4

5

6

A

B

C

D

E

F

1DIR

1B2

1B4

1B6

1B8

2B1

2B3

2B5

2B7

2DIR

NC

1OE

1A2

1A4

1A6

1A8

2A1

2A3

2A5

2A7

2OE

A

B

C

D

1B1

1B3

1B5

1B7

2B2

2B4

2B6

2B8

NC

GND

1A1

1A3

1A5

1A7

2A2

2A4

2A6

2A8

NC

V

CCB

GND

V

CCA

GND

E

F

G

H

J

GND

V

CCB

GND

V

CCA

GND

G

H

J

K

NC

NC − No internal connection

K

FUNCTION TABLE

(each 8-bit section)

INPUTS

OPERATION

B data to A bus

OE

L

DIR

L

H

A data to B bus

Isolation

H

X

2

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SCES587A − AUGUST 2004 − REVISED OCTOBER 2004

logic diagram (positive logic)

24

36

1

2DIR

2A1

1DIR

48

25

1OE

1B1

2OE

47

1A1

13

2

2B1

To Seven Other Channels

†

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

Supply voltage range, V

and V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to 4.6 V

CCA

CCB

Input voltage range, V (see Note 1): I/O ports (A port) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to 4.6 V

I

I/O ports (B port) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to 4.6 V

Control inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to 4.6 V

Voltage range applied to any output in the high-impedance or power-off state, V

O

(see Note 1): A port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to 4.6 V

B port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to 4.6 V

Voltage range applied to any output in the high or low state, V

O

(see Notes 1 and 2): A port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to V

B port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to V

+ 0.5 V

CCA

CCB

Input clamp current, I (V < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −50 mA

IK

OK

I

Output clamp current, I

(V < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −50 mA

O

Continuous output current, I . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 mA

Continuous current through each V

O

, V

, and GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 mA

CCA CCB

Package thermal impedance, θ (see Note 3): DGG package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70°C/W

JA

DGV package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58°C/W

GQL/ZQL package . . . . . . . . . . . . . . . . . . . . . . . . . . . 42°C/W

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −65°C to 150°C

Storage temperature range, T

stg

†

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.

NOTES: 1. The input voltage and output negative-voltage ratings may be exceeded if the input and output current ratings are observed.

2. The output positive-voltage rating may be exceeded up to 4.6 V maximum if the output current rating is observed.

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

3

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ꢓꢑꢊ ꢀ

SCES587A − AUGUST 2004 − REVISED OCTOBER 2004

recommended operating conditions (see Notes 4 through 8)

V

CCI

V

CCO

MIN

1.2

MAX

3.6

UNIT

V

Supply voltage

CCA

1.2

3.6

V

CCB

1.2 V to 1.95 V

1.95 V to 2.7 V

2.7 V to 3.6 V

1.2 V to 1.95 V

1.95 V to 2.7 V

2.7 V to 3.6 V

1.2 V to 1.95 V

1.95 V to 2.7 V

2.7 V to 3.6 V

1.2 V to 1.95 V

1.95 V to 2.7 V

2.7 V to 3.6 V

V

× 0.65

1.6

CCI

High-level input

voltage

Data inputs

(see Note 7)

V

IH

V

IL

V

IH

V

IL

V

2

V

× 0.35

CCI

Low-level input

voltage

Data inputs

(see Note 7)

0.7

0.8

V

CCA

× 0.65

1.6

DIR

High-level input

voltage

(referenced to V

(see Note 8)

)

CCA

2

V

CCA

× 0.35

0.7

DIR

Low-level input

voltage

(referenced to V

(see Note 8)

CCA

0.8

V

Input voltage

0

3.6

V

I

Active state

3-state

V

CCO

Output voltage

O

3.6

−3

−6

−8

−9

−12

3

1.2 V

1.4 V to 1.6 V

1.65 V to 1.95 V

2.3 V to 2.7 V

3 V to 3.6 V

1.2 V

I

High-level output current

Low-level output current

mA

OH

1.4 V to 1.6 V

1.65 V to 1.95 V

2.3 V to 2.7 V

3 V to 3.6 V

6

8

I

OL

9

12

5

∆t/∆v

Input transition rise or fall rate

Operating free-air temperature

ns/V

T

A

−40

85

°C

NOTES: 4. V

is the V

associated with the data input port.

associated with the output port.

CCI

CC

5.

V

is the V

CC

CCO

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

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

CCI

7. For V

8. For V

values not specified in the data sheet, V min = V

× 0.7 V, V max = V

IL CCA

× 0.3 V.

CCI

IH

CCI

IL CCI

values not specified in the data sheet, V min = V

IH

CCA

4

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SCES587A − AUGUST 2004 − REVISED OCTOBER 2004

electrical characteristics over recommended operating free-air temperature range (unless

otherwise noted) (see Notes 9 and 10)

T

A

= 25°C

−40°C TO 85°C

PARAMETER

TEST CONDITIONS

UNIT

V

CCA

V

CCB

MIN

TYP

MAX

MIN

MAX

I

= −100 µA

= −3 mA

= −6 mA

1.2 V to 3.6 V

1.2 V

1.2 V to 3.6 V

1.2 V

V

CCO

− 0.2 V

OH

OL

0.95

1.4 V

1.05

1.2

V

V = V

IH

V

OH

I

= −8 mA

= −9 mA

= −12 mA

= 100 µA

= 3 mA

1.65 V

2.3 V

1.65 V

2.3 V

1.75

2.3

3 V

1.2 V to 3.6 V

1.2 V

1.2 V to 3.6 V

1.2 V

0.2

0.15

= 6 mA

1.4 V

0.35

0.45

0.55

0.7

V

OL

V = V

I IL

V

= 8 mA

1.65 V

2.3 V

1.65 V

2.3 V

= 9 mA

= 12 mA

3 V

Control

inputs

I

V = V

CCA

or GND

1.2 V to 3.6 V

0.025

25

0.25

1

µA

I

V = 0.42 V

I

1.2 V

1.4 V

1.65 V

2.3 V

3.3 V

1.2 V

1.4 V

1.65 V

2.3 V

3.3 V

1.2 V

1.6 V

1.95 V

2.7 V

3.6 V

1.2 V

1.6 V

1.95 V

2.7 V

3.6 V

1.2 V

1.4 V

1.65 V

2.3 V

3.3 V

1.2 V

1.4 V

1.65 V

2.3 V

3.3 V

1.2 V

1.6 V

1.95 V

2.7 V

3.6 V

1.2 V

1.6 V

1.95 V

2.7 V

3.6 V

V = 0.49 V

I

15

25

†

V = 0.58 V

I

BHL

V = 0.7 V

I

45

V = 0.8 V

I

100

V = 0.78 V

I

−25

V = 0.91 V

I

−15

−25

‡

V = 1.07 V

I

µA

BHH

V = 1.6 V

I

−45

V = 2 V

I

−100

50

125

200

300

500

§

V = 0 to V

CC

BHLO

I

−50

−125

−200

−300

−500

¶

V = 0 to V

CC

BHHO

I

†

‡

The bus-hold circuit can sink at least the minimum low sustaining current at V max. I

IL BHL

should be measured after lowering V to GND and

IN

then raising it to V max.

IL

The bus-hold circuit can source at least the minimum high sustaining current at V min. I

should be measured after raising V to V and

IN CC

IH

BHH

then lowering it to V min.

IH

§

¶

An external driver must source at least I

to switch this node from low to high.

BHLO

to switch this node from high to low.

An external driver must sink at least I

BHHO

associated with the output port.

NOTES: 9. V

is the V

CCO

is the V

CC

10.

V

associated with the input port.

CC

CCI

5

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ꢗꢏ ꢊ ꢇ ꢆ ꢘꢁ ꢙꢏ ꢚꢑ ꢕ ꢄꢎꢒ ꢖ ꢅ ꢘꢒꢊꢄꢚ ꢖ ꢊꢕ ꢄꢁ ꢀꢒ ꢄꢊ ꢏꢘ ꢁ ꢄꢁꢐ ꢛ ꢍꢀꢊꢄꢊ ꢖ ꢘ ꢑꢊ ꢓꢑꢊ ꢀ

SCES587A − AUGUST 2004 − REVISED OCTOBER 2004

electrical characteristics over recommended operating free-air temperature range (unless

otherwise noted) (see Notes 9 and 10) (continued)

−40°C TO

85°C

T

A

= 25°C

PARAMETER

TEST CONDITIONS

UNIT

V

CCA

V

CCB

MIN

TYP

0.1

MAX

2.5

MIN

MAX

A port

0 V

0 to 3.6 V

0 V

5

I

V or V = 0 to 3.6 V

µA

off

I

O

B port

0 to 3.6 V

0.1

2.5

A or B

ports

OE = V

IH

3.6 V

0.5

2.5

5

V

GND,

= V or

CCO

O

#

OZ

µA

0 V

3.6 V

0 V

5

B port

OE = don’t

care

V = V

or GND

I

CCI

3.6 V

A port

1.2 V to 3.6 V

0 V

1.2 V to 3.6 V

3.6 V

25

−5

25

−5

45

I

V = V

or GND,

I

= 0

µA

CCA

I

CCI

O

3.6 V

0 V

1.2 V to 3.6 V

0 V

1.2 V to 3.6 V

3.6 V

I

V = V

or GND,

I

= 0

CCB

I

CCI

O

3.6 V

0 V

) I

CCB

V = V

1.2 V to 3.6 V

µA

CCA

I

CCI

O

Control

inputs

C

V = 3.3 V or GND

3.3 V

3.5

7

pF

i

I

A or B

ports

V

O

= 3.3 V or GND

pF

io

#

For I/O ports, the parameter I

includes the input leakage current.

OZ

associated with the output port.

NOTES: 9.

10.

V

is the V

CCO

is the V

CC

associated with the input port.

CC

CCI

switching characteristics over recommended operating free-air temperature range,

= 1.2 V (see Figure 1)

V

CCA

V

= 1.2 V

V

= 1.5 V

V

= 1.8 V

V

= 2.5 V

V = 3.3 V

CCB

FROM

(INPUT)

TO

(OUTPUT)

CCB

TYP

4.1

CCB

TYP

3.3

CCB

TYP

CCB

TYP

2.8

PARAMETER

UNIT

ns

TYP

3.2

t

3

PLH

PHL

PLH

PHL

PZH

PZL

PZH

PZL

PHZ

PLZ

PHZ

PLZ

A

B

4.1

4.4

6.4

6

3.3

4

2.8

3.6

6.4

3.4

6.6

4.2

3.2

3.5

6.4

3.2

6.8

5.3

3.8

6.4

4

B

A

B

A

B

ns

4

6.4

4.6

6.6

4.9

ns

OE

ns

6

4

6.6

6

6.6

4.9

ns

6

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

ꢀꢁꢂ ꢃ ꢄꢅꢆ ꢇꢈ ꢉꢊ ꢋꢃ ꢌ

ꢈ ꢉ ꢍꢎꢏ ꢊ ꢐꢑꢄ ꢒꢍꢀ ꢑꢓꢓꢒꢔ ꢎꢑꢀ ꢊ ꢕꢄꢁꢀ ꢆꢖ ꢏ ꢅꢖ ꢕ

ꢗ ꢏ ꢊꢇ ꢆꢘ ꢁꢙ ꢏ ꢚꢑ ꢕ ꢄꢎꢒ ꢖ ꢅꢘ ꢒꢊꢄꢚ ꢖ ꢊ ꢕꢄꢁꢀ ꢒꢄꢊ ꢏꢘ ꢁ ꢄꢁꢐ ꢛ ꢍꢀꢊꢄꢊ ꢖ ꢘ ꢑꢊ ꢓꢑ ꢊꢀ

SCES587A − AUGUST 2004 − REVISED OCTOBER 2004

switching characteristics over recommended operating free-air temperature range,

= 1.5 V 0.1 V (see Figure 1)

V

CCA

V

= 1.5 V

0.1 V

V

= 1.8 V

0.15 V

V

= 2.5 V

0.2 V

V

= 3.3 V

0.3 V

CCB

V

= 1.2 V

CCB

TYP

3.6

FROM

(INPUT)

TO

(OUTPUT)

PARAMETER

UNIT

MIN

0.5

1

MAX

6.2

MIN

0.5

1

MAX

5.2

MIN

0.5

1

MAX

4.1

MIN

0.5

1

MAX

3.7

t

PLH

PHL

PLH

PHL

PZH

PZL

PZH

PZL

PHZ

PLZ

PHZ

PLZ

A

B

A

B

A

B

ns

3.6

3.3

4.3

5.6

4.5

5.5

6.2

5.2

4.1

3.7

6.2

5.9

5.6

5.5

B

6.2

5.9

5.6

5.5

10.1

9.1

10.1

8.1

10.1

5.9

10.1

5.2

OE

1

0.5

1.5

0.5

1.5

1

0.5

1.5

1

8.1

5.9

5.2

1.5

9.1

8.7

7.5

6.5

6.3

8.7

7.5

1

6.5

1

6.3

switching characteristics over recommended operating free-air temperature range,

= 1.8 V 0.15 V (see Figure 1)

V

CCA

V

= 1.5 V

0.1 V

V

= 1.8 V

0.15 V

V

= 2.5 V

0.2 V

V

= 3.3 V

0.3 V

CCB

V

= 1.2 V

CCB

TYP

3.4

FROM

(INPUT)

TO

(OUTPUT)

PARAMETER

UNIT

MIN

0.5

1

MAX

5.9

5.2

7.8

9.2

7.7

8.4

MIN

0.5

1

MAX

4.8

7.8

7.4

7.7

7.1

MIN

0.5

1

MAX

3.7

4.5

7.8

5.3

7.7

5.9

MIN

0.5

1

MAX

3.3

4.4

7.8

4.5

7.7

5.7

t

PLH

PHL

PLH

PHL

PZH

PZL

PZH

PZL

PHZ

PLZ

PHZ

PLZ

A

B

A

B

A

B

ns

3.4

3

B

3

3.4

5.4

4.2

5.2

OE

1

0.5

1.5

0.5

1.5

1

0.5

1.5

1

1.5

1

7

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

ꢀ ꢁꢂ ꢃꢄꢅꢆ ꢇ ꢈ ꢉꢊ ꢋ ꢃ ꢌ

ꢈꢉ ꢍꢎꢏ ꢊ ꢐ ꢑ ꢄꢒ ꢍꢀꢑ ꢓꢓ ꢒꢔ ꢎꢑ ꢀ ꢊꢕ ꢄꢁ ꢀꢆ ꢖꢏ ꢅ ꢖꢕ

ꢗꢏ ꢊ ꢇ ꢆ ꢘꢁ ꢙꢏ ꢚꢑ ꢕ ꢄꢎꢒ ꢖ ꢅ ꢘꢒꢊꢄꢚ ꢖ ꢊꢕ ꢄꢁ ꢀꢒ ꢄꢊ ꢏꢘ ꢁ ꢄꢁꢐ ꢛ ꢍꢀꢊꢄꢊ ꢖ ꢘ ꢑꢊ ꢓꢑꢊ ꢀ

SCES587A − AUGUST 2004 − REVISED OCTOBER 2004

switching characteristics over recommended operating free-air temperature range,

= 2.5 V 0.2 V (see Figure 1)

V

CCA

V

= 1.5 V

0.1 V

V

= 1.8 V

0.15 V

V

= 2.5 V

0.2 V

V

= 3.3 V

0.3 V

CCB

V

= 1.2 V

CCB

TYP

3.2

FROM

(INPUT)

TO

(OUTPUT)

PARAMETER

UNIT

MIN

0.5

1

MAX

5.6

4.1

5.3

9.4

6.1

7.9

MIN

0.5

1

MAX

4.5

3.7

5.3

7.3

6.1

6.6

MIN

0.5

1

MAX

3.3

5.3

5.1

6.1

MIN

0.5

1

MAX

2.8

3.2

5.3

4.5

6.1

5.2

t

PLH

PHL

PLH

PHL

PZH

PZL

PZH

PZL

PHZ

PLZ

PHZ

PLZ

A

B

A

B

A

B

ns

3.2

2.6

2.5

5.2

3

B

OE

3

1

5

1

5

1

switching characteristics over recommended operating free-air temperature range,

= 3.3 V 0.3 V (see Figure 1)

V

CCA

V

= 1.5 V

0.1 V

V

= 1.8 V

0.15 V

V

= 2.5 V

0.2 V

V

= 3.3 V

0.3 V

CCB

V

= 1.2 V

CCB

TYP

3.2

FROM

(INPUT)

TO

(OUTPUT)

PARAMETER

UNIT

MIN

0.5

1

MAX

5.5

3.7

4.3

9.3

5

MIN

0.5

1

MAX

4.4

3.3

4.2

7.2

5

MIN

0.5

1

MAX

3.2

2.8

4.1

4.9

5

MIN

0.5

MAX

2.7

4

t

PLH

PHL

PLH

PHL

PZH

PZL

PZH

PZL

PHZ

PLZ

PHZ

PLZ

A

B

A

B

A

B

ns

3.2

2.8

2.2

5.1

3.4

4.9

B

OE

4

5

7.7

6.5

5.2

5

1

5

8

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

ꢀꢁꢂ ꢃ ꢄꢅꢆ ꢇꢈ ꢉꢊ ꢋꢃ ꢌ

ꢈ ꢉ ꢍꢎꢏ ꢊ ꢐꢑꢄ ꢒꢍꢀ ꢑꢓꢓꢒꢔ ꢎꢑꢀ ꢊ ꢕꢄꢁꢀ ꢆꢖ ꢏ ꢅꢖ ꢕ

ꢗ

ꢏ

ꢊ

ꢇ

ꢆ

ꢘ

ꢁ

ꢙ

ꢏ

ꢚꢑ

ꢕ

ꢄ

ꢎ

ꢒ

ꢖ

ꢅ

ꢘ

ꢒ

ꢊ

ꢄ

ꢚ

ꢖ

ꢊ ꢕꢄꢁꢀ ꢒꢄꢊ ꢏꢘ ꢁ ꢄꢁꢐ ꢛ ꢍꢀꢊꢄꢊ ꢖ ꢘ ꢑꢊ ꢓꢑ ꢊꢀ

SCES587A − AUGUST 2004 − REVISED OCTOBER 2004

operating characteristics, T = 25°C

A

V

=

V

=

V

=

V

=

V

=

CCA

TEST

CONDITIONS

V

= 1.2 V

V

= 1.5 V

V

= 1.8 V

V

= 2.5 V

V

= 3.3 V

PARAMETER

CCB

UNIT

TYP

Outputs

enabled

1

2

1

A to B

B to A

A to B

B to A

Outputs

disabled

C

= 0,

L

†

pdA

C

f = 10 MHz,

t = t = 1 ns

pF

Outputs

enabled

r

f

13

1

13

1

14

1

15

1

16

1

Outputs

disabled

Outputs

enabled

13

1

13

1

14

1

15

1

16

1

Outputs

disabled

C

= 0,

L

†

pdB

C

pF

f = 10 MHz,

t = t = 1 ns

Outputs

enabled

1

2

r

f

Outputs

disabled

1

†

Power-dissipation capacitance per transceiver

power-up considerations

A proper power-up sequence always should be followed to avoid excessive supply current, bus contention,

oscillations, or other anomalies. To guard against such power-up problems, take the following precautions:

1. Connect ground before any supply voltage is applied.

2. Power up V

.

CCA

3. V

can be ramped up along with or after V

.

CCB

CCA

typical total static power consumption (I

+ I

)

CCA

CCB

Table 1

V

CCA

V

UNIT

CCB

0 V

0

1.2 V

<0.5

<1

1.5 V

1.8 V

2.5 V

<0.5

<1

3.3 V

<0.5

1

0 V

<0.5

<1

<0.5

<1

1.2 V

1.5 V

1.8 V

2.5 V

3.3 V

<0.5

<1

1

µA

<1

1

<1

1

<1

9

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

ꢀ ꢁꢂ ꢃꢄꢅꢆ ꢇ ꢈ ꢉꢊ ꢋ ꢃ ꢌ

ꢈꢉ ꢍꢎꢏ ꢊ ꢐ ꢑ ꢄꢒ ꢍꢀꢑ ꢓꢓ ꢒꢔ ꢎꢑ ꢀ ꢊꢕ ꢄꢁ ꢀꢆ ꢖꢏ ꢅ ꢖꢕ

ꢗꢏ ꢊ ꢇ ꢆ ꢘꢁ ꢙꢏ ꢚꢑ ꢕ ꢄꢎꢒ ꢖ ꢅ ꢘꢒꢊꢄꢚ ꢖ ꢊꢕ ꢄꢁ ꢀꢒ ꢄꢊ ꢏꢘ ꢁ ꢄꢁꢐ ꢛ ꢍꢀꢊꢄꢊ ꢖ ꢘ ꢑꢊ ꢓꢑꢊ ꢀ

SCES587A − AUGUST 2004 − REVISED OCTOBER 2004

TYPICAL CHARACTERISTICS

6

5

4

3

2

1

0

6

T

V

= 25°C

T

V

= 25°C

A

= 1.2 V

CCA

5

4

3

2

1

0

×

V

= 1.2 V

= 1.5 V

= 1.8 V

= 2.5 V

= 3.3 V

×

+

ꢀ

H

ꢀ

V

CCB

= 1.2 V

= 1.5 V

= 1.8 V

= 2.5 V

= 3.3 V

CCB

+

ꢀ

H

ꢀ

V

CCB

V

CCB

V

CCB

V

CCB

0

10

20

30

40

50

60

0

10

20

30

40

50

60

C

− Load Capacitance − pF

L

C

− Load Capacitance − pF

L

Figure 1

Figure 2

6

T

V

= 25°C

A

T

V

= 25°C

A

= 1.5 V

CCA

= 1.5 V

CCA

5

4

3

2

1

0

5

4

3

2

1

0

×

+

ꢀ

H

ꢀ

V

= 1.2 V

= 1.5 V

= 1.8 V

= 2.5 V

= 3.3 V

CCB

×

+

ꢀ

H

ꢀ

V

= 1.2 V

= 1.5 V

= 1.8 V

= 2.5 V

= 3.3 V

CCB

V

CCB

V

CCB

V

CCB

V

CCB

V

CCB

V

CCB

V

CCB

V

CCB

0

10

20

30

40

50

60

0

10

20

30

40

50

60

C

− Load Capacitance − pF

C

− Load Capacitance − pF

L

Figure 3

Figure 4

10

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

ꢀꢁꢂ ꢃ ꢄꢅꢆ ꢇꢈ ꢉꢊ ꢋꢃ ꢌ

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ꢗ

ꢏ

ꢊ

ꢇ

ꢆ

ꢘ

ꢁ

ꢙ

ꢏ

ꢚꢑ

ꢕ

ꢄ

ꢎ

ꢒ

ꢖ

ꢅ

ꢘ

ꢒ

ꢊ

ꢄ

ꢚ

ꢖ

ꢊ

ꢕ

ꢄ

ꢁ

ꢀ

ꢒ

ꢄ

ꢊ

ꢏ

ꢘ

ꢁ

ꢄ

ꢁ

ꢐ

ꢛ

ꢍ

ꢀ

ꢊ

ꢄ

ꢊ

ꢖ

ꢘ

ꢑ

ꢊ

ꢓ

ꢑ

ꢊ

ꢀ

SCES587A − AUGUST 2004 − REVISED OCTOBER 2004

TYPICAL CHARACTERISTICS

6

5

4

3

2

1

0

6

T

V

= 25°C

T

V

= 25°C

A

= 1.8 V

CCA

5

4

3

2

1

0

×

+

ꢀ

H

ꢀ

V

= 1.2 V

= 1.5 V

= 1.8 V

= 2.5 V

= 3.3 V

×

+

ꢀ

H

ꢀ

V

= 1.2 V

= 1.5 V

= 1.8 V

= 2.5 V

= 3.3 V

CCB

V

CCB

V

CCB

V

CCB

V

CCB

V

CCB

0

10

20

30

40

50

60

0

10

20

30

40

50

60

C

− Load Capacitance − pF

C

− Load Capacitance − pF

L

Figure 5

Figure 6

6

5

T

V

= 25°C

×

+

ꢀ

H

ꢀ

V

= 1.2 V

= 1.5 V

= 1.8 V

= 2.5 V

= 3.3 V

A

T = 25°C

A

CCA

CCB

= 2.5 V

V

CCA

V

= 2.5 V

CCB

V

CCB

5

4

3

2

1

0

V

CCB

4

3

2

1

0

×

+

ꢀ

H

ꢀ

V

= 1.2 V

CCB

V

= 1.5 V

= 1.8 V

= 2.5 V

= 3.3 V

CCB

V

CCB

V

CCB

V

CCB

0

10

20

30

40

50

60

0

10

20

30

40

50

60

C

− Load Capacitance − pF

C

− Load Capacitance − pF

L

Figure 7

Figure 8

11

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

ꢀ ꢁꢂ ꢃꢄꢅꢆ ꢇ ꢈ ꢉꢊ ꢋ ꢃ ꢌ

ꢈꢉ ꢍꢎꢏ ꢊ ꢐ ꢑ ꢄꢒ ꢍꢀꢑ ꢓꢓ ꢒꢔ ꢎꢑ ꢀ ꢊꢕ ꢄꢁ ꢀꢆ ꢖꢏ ꢅ ꢖꢕ

ꢗꢏ ꢊ ꢇ ꢆ ꢘꢁ ꢙꢏ ꢚꢑ ꢕ ꢄꢎꢒ ꢖ ꢅ ꢘꢒꢊꢄꢚ ꢖ ꢊꢕ ꢄꢁ ꢀꢒ ꢄꢊ ꢏꢘ ꢁ ꢄꢁꢐ ꢛ ꢍꢀꢊꢄꢊ ꢖ ꢘ ꢑꢊ ꢓꢑꢊ ꢀ

SCES587A − AUGUST 2004 − REVISED OCTOBER 2004

TYPICAL CHARACTERISTICS

6

5

4

3

2

1

0

T

V

= 25°C

A

×

V

= 1.2 V

= 1.5 V

= 1.8 V

= 2.5 V

= 3.3 V

CCB

T

V

= 25°C

A

= 3.3 V

CCA

+

ꢀ

H

ꢀ

V

CCB

V

CCB

= 3.3 V

CCA

5

4

3

2

1

0

V

CCB

V

CCB

×

+

ꢀ

H

ꢀ

V

= 1.2 V

= 1.5 V

= 1.8 V

= 2.5 V

= 3.3 V

CCB

V

CCB

V

CCB

V

CCB

V

CCB

0

10

20

30

40

50

60

0

10

20

30

40

50

60

C − Load Capacitance − pF

L

C

− Load Capacitance − pF

L

Figure 10

Figure 9

12

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ꢀꢁꢂ ꢃ ꢄꢅꢆ ꢇꢈ ꢉꢊ ꢋꢃ ꢌ

ꢈ ꢉ ꢍꢎꢏ ꢊ ꢐꢑꢄ ꢒꢍꢀ ꢑꢓꢓꢒꢔ ꢎꢑꢀ ꢊ ꢕꢄꢁꢀ ꢆꢖ ꢏ ꢅꢖ ꢕ

ꢗ

ꢏ

ꢊ

ꢇ

ꢆ

ꢘ

ꢁ

ꢙ

ꢏ

ꢚꢑ

ꢕ

ꢄ

ꢎ

ꢒ

ꢖ

ꢅ

ꢘ

ꢒ

ꢊ

ꢄ

ꢚ

ꢖ

ꢊ

ꢕ

ꢄ

ꢁ

ꢀ

ꢒ

ꢄ

ꢊ

ꢏ

ꢘ

ꢁ

ꢄ

ꢁ

ꢐ

ꢛ

ꢍ

ꢀ

ꢊ

ꢄ

ꢊ

ꢖ

ꢘ

ꢑ

ꢊ

ꢓ

ꢑ

ꢊ

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SCES587A − AUGUST 2004 − REVISED OCTOBER 2004

PARAMETER MEASUREMENT INFORMATION

2 × V

CCO

TEST

S1

R

Open

GND

t

Open

L

pd

/t

From Output

Under Test

t

2 × V

CCO

GND

PLZ PZL

/t

PHZ PZH

t

C

L

R

L

(see Note A)

t

LOAD CIRCUIT

w

V

CCI

V /2

CCI

V /2

CCI

Input

V

TP

C

R

V

CCO

L

0 V

1.2 V

2 kΩ

0.1 V

15 pF

VOLTAGE WAVEFORMS

PULSE DURATION

1.5 V 0.1 V

1.8 V 0.15 V

2.5 V 0.2 V

3.3 V 0.3 V

0.15 V

0.3 V

V

CCA

Output

Control

(low-level

enabling)

V

CCA

/2

V

CCA

/2

0 V

t

PLZ

PZL

V

CCO

Output

Waveform 1

V

CCI

V

CCO

/2

Input

V /2

CCI

V /2

CCI

V

OL

+ V

TP

S1 at 2 × V

CCO

OL

0 V

(see Note B)

t

PZH

PHZ

t

PHL

PLH

Output

Waveform 2

S1 at GND

V

OH

V

OH

V

OH

− V

TP

V

CCO

Output

V

CCO

/2

V

/2

CCO

(see Note B)

0 V

V

OL

VOLTAGE WAVEFORMS

PROPAGATION DELAY TIMES

VOLTAGE WAVEFORMS

ENABLE AND DISABLE TIMES

NOTES: A.

C

includes probe and jig capacitance.

L

B. Waveform 1 is for an output with internal conditions such that the output is low, except when disabled by the output control.

Waveform 2 is for an output with internal conditions such that the output is high, except when disabled by the output control.

C. All input pulses are supplied by generators having the following characteristics: PRRv10 MHz, Z = 50 Ω, dv/dt ≥ 1 V/ns,

O

dv/dt ≥1 V/ns.

D. The outputs are measured one at a time, with one transition per measurement.

E.

F.

G.

H.

I.

t

V

and t

are the same as t

.

PLZ

PZL

PLH

PHZ

PZH

dis

are the same as t

are the same as t .

en

and t

PHL

is the V

pd

associated with the input port.

associated with the output port.

CC

CCI

CC

is the V

CCO

Figure 11. Load Circuit and Voltage Waveforms

13

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

PACKAGE OPTION ADDENDUM

www.ti.com

25-Feb-2005

PACKAGING INFORMATION

Orderable Device

Status ⁽¹⁾

Package Package

Pins Package Eco Plan ⁽²⁾Lead/Ball Finish MSL Peak Temp ⁽³⁾

Qty

Type

Drawing

74AVCH16T245ZQLR

ACTIVE

VFBGA

ZQL

56

1000

Pb-Free

(RoHS)

SNAGCU

Level-1-260C-UNLIM

SN74AVCH16T245GQLR

SN74AVCH16T245GR

ACTIVE

VFBGA

TSSOP

GQL

DGG

56

48

1000

2000

None

SNPB

Level-1-240C-UNLIM

Pb-Free

(RoHS)

CU NIPDAU Level-1-250C-UNLIM

SN74AVCH16T245VR

ACTIVE

TVSOP

DGV

48

2000

Pb-Free

(RoHS)

⁽¹⁾The marketing status values are defined as follows:

ACTIVE: Product device recommended for new designs.

LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.

NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in

a new design.

PREVIEW: Device has been announced but is not in production. Samples may or may not be available.

OBSOLETE: TI has discontinued the production of the device.

(2)

Eco Plan - May not be currently available - please check http://www.ti.com/productcontent for the latest availability information and additional

product content details.

None: Not yet available Lead (Pb-Free).

Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements

for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered

at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.

Green (RoHS & no Sb/Br): TI defines "Green" to mean "Pb-Free" and in addition, uses package materials that do not contain halogens,

including bromine (Br) or antimony (Sb) above 0.1% of total product weight.

(3)

MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDECindustry standard classifications, and peak solder

temperature.

Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is

provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the

accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take

reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on

incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited

information may not be available for release.

In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI

to Customer on an annual basis.

Addendum-Page 1

MECHANICAL DATA

MPDS006C – FEBRUARY 1996 – REVISED AUGUST 2000

DGV (R-PDSO-G**)

PLASTIC SMALL-OUTLINE

24 PINS SHOWN

0,23

0,13

M

0,07

0,40

24

13

0,16 NOM

4,50

4,30

6,60

6,20

Gage Plane

0,25

0°–ā8°

0,75

1

12

0,50

A

Seating Plane

0,08

0,15

0,05

1,20 MAX

PINS **

14

16

20

24

38

48

56

DIM

A MAX

A MIN

3,70

3,50

3,70

3,50

5,10

4,90

5,10

4,90

7,90

7,70

9,80

9,60

11,40

11,20

4073251/E 08/00

NOTES: A. All linear dimensions are in millimeters.

B. This drawing is subject to change without notice.

C. Body dimensions do not include mold flash or protrusion, not to exceed 0,15 per side.

D. Falls within JEDEC: 24/48 Pins – MO-153

14/16/20/56 Pins – MO-194

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

MECHANICAL DATA

MTSS003D – JANUARY 1995 – REVISED JANUARY 1998

DGG (R-PDSO-G**)

PLASTIC SMALL-OUTLINE PACKAGE

48 PINS SHOWN

0,27

0,17

M

0,08

0,50

48

25

6,20

6,00

8,30

7,90

0,15 NOM

Gage Plane

0,25

1

24

0°–8°

A

0,75

0,50

Seating Plane

0,10

0,15

0,05

1,20 MAX

PINS **

48

56

64

DIM

A MAX

12,60

12,40

14,10

13,90

17,10

16,90

A MIN

4040078/F 12/97

NOTES: A. All linear dimensions are in millimeters.

B. This drawing is subject to change without notice.

C. Body dimensions do not include mold protrusion not to exceed 0,15.

D. Falls within JEDEC MO-153

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

IMPORTANT NOTICE

Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications,

enhancements, improvements, and other changes to its products and services at any time and to discontinue

any product or service without notice. Customers should obtain the latest relevant information before placing

orders and should verify that such information is current and complete. All products are sold subject to TI’s terms

and conditions of sale supplied at the time of order acknowledgment.

TI warrants performance of its hardware products to the specifications applicable at the time of sale in

accordance with TI’s standard warranty. Testing and other quality control techniques are used to the extent TI

deems necessary to support this warranty. Except where mandated by government requirements, testing of all

parameters of each product is not necessarily performed.

TI assumes no liability for applications assistance or customer product design. Customers are responsible for

their products and applications using TI components. To minimize the risks associated with customer products

and applications, customers should provide adequate design and operating safeguards.

TI does not warrant or represent that any license, either express or implied, is granted under any TI patent right,

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Use of such information may require a license from a third party under the patents or other intellectual property

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alteration and is accompanied by all associated warranties, conditions, limitations, and notices. Reproduction

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Resale of TI products or services with statements different from or beyond the parameters stated by TI for that

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is an unfair and deceptive business practice. TI is not responsible or liable for any such statements.

Following are URLs where you can obtain information on other Texas Instruments products and application

solutions:

Products

Applications

Audio

Amplifiers

amplifier.ti.com

www.ti.com/audio

Data Converters

dataconverter.ti.com

Automotive

www.ti.com/automotive

DSP

dsp.ti.com

Broadband

Digital Control

Military

www.ti.com/broadband

www.ti.com/digitalcontrol

www.ti.com/military

Interface

Logic

interface.ti.com

logic.ti.com

Power Mgmt

Microcontrollers

power.ti.com

Optical Networking

Security

www.ti.com/opticalnetwork

www.ti.com/security

www.ti.com/telephony

www.ti.com/video

microcontroller.ti.com

Telephony

Video & Imaging

Wireless

www.ti.com/wireless

Mailing Address:

Texas Instruments

Post Office Box 655303 Dallas, Texas 75265


型号：	74AVCH16T245ZQLR
厂家：	TEXAS INSTRUMENTS
描述：	16 BIT DUAL SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3 STATE OUTPUTS 可配置电压转换和3态输出16位双电源总线收发器总线驱动器总线收发器逻辑集成电路输出元件
文件：	总19页 (文件大小：443K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

74AVCH16T245ZQLR [TI]

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