SN74AVC32T245NMJR_技术文档

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SCES553C − MAY 2004 − REVISED APRIL 2005

D

Member of the Texas Instruments

Widebus+ Family

D

I

Supports Partial-Power-Down Mode

off

Operation

Control Inputs V /V Levels Are

D

I/Os Are 4.6-V Tolerant

IH IL

CCA

Referenced to V

Voltage

D

Latch-Up Performance Exceeds 100 mA Per

JESD 78, Class II

V

Isolation Feature − If Either V

Input

CC

Is at GND, Both Ports Are in the

High-Impedance State

D

ESD Protection Exceeds JESD 22

− 8000-V Human-Body Model (A114-A)

− 200-V Machine Model (A115-A)

D

Overvoltage-Tolerant Inputs/Outputs Allow

Mixed-Voltage-Mode Data Communications

− 1000-V Charged-Device Model (C101)

Fully Configurable Dual-Rail Design Allows

Each Port to Operate Over the Full 1.2-V to

3.6-V Power-Supply Range

description/ordering information

This 32-bit noninverting bus transceiver uses two separate configurable power-supply rails. The

SN74AVC32T245 is optimized to operate with V /V set at 1.4 V to 3.6 V. It is operational with V /V

CCA CCB

CCA CCA

CCA CCB

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

. V

accepts any supply voltage from 1.2 V to 3.6 V. The

B port is designed to track V

. V

accepts 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.

CCB CCB

The SN74AVC32T245 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 SN74AVC32T245 is designed so that the control pins (1DIR, 2DIR, 3DIR, 4DIR, 1OE, 2OE, 3OE, and 4OE)

are supplied by V

.

CCA

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

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

ORDERING INFORMATION

ORDERABLE

PART NUMBER

TOP-SIDE

MARKING

†

PACKAGE

T

A

LFBGA − GKE

LFBGA − ZKE (Pb-free)

SN74AVC32T245GKER

SN74AVC32T245ZKER

−40°C to 85°C

Tape and reel

WF245

†

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.

Widebus+ is a trademark of Texas Instruments.

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Copyright  2005, Texas Instruments Incorporated

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1

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

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SCES553C − MAY 2004 − REVISED APRIL 2005

GKE OR ZKE PACKAGE

(TOP VIEW)

terminal assignments

1

2

3

4

5

6

1

2

3

4

5

6

A

B

C

D

E

F

1B2

1B4

1B6

1B8

2B2

2B4

2B6

2B7

3B2

3B4

3B6

3B8

4B2

4B4

4B6

4B7

1B1

1B3

1B5

1B7

2B1

2B3

2B5

2B8

3B1

3B3

3B5

3B7

4B1

4B3

4B5

4B8

1DIR

GND

1OE

1A1

1A3

1A5

1A7

2A1

2A3

2A5

2A8

3A1

3A3

3A5

3A7

4A1

4A3

4A5

4A8

1A2

1A4

1A6

1A8

2A2

2A4

2A6

2A7

3A2

3A4

3A6

3A8

4A2

4A4

4A6

4A7

A

B

C

D

GND

V

CCB

GND

V

CCA

GND

E

F

G

H

J

V

CCB

GND

V

CCA

GND

G

H

J

2DIR

3DIR

GND

2OE

3OE

GND

K

L

K

L

V

CCB

GND

V

CCA

GND

M

N

P

R

T

M

N

P

R

T

GND

V

CCB

GND

V

CCA

GND

4DIR

4OE

FUNCTION TABLE

(each 8-bit section)

INPUTS

OPERATION

OE

DIR

L

B data to A bus

A data to B bus

Isolation

H

X

2

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SCES553C − MAY 2004 − REVISED APRIL 2005

logic diagram (positive logic)

A3

H3

E5

1DIR

2DIR

2A1

A4

A2

H4

1OE

1B1

2OE

A5

1A1

E2

2B1

To Seven Other Channels

J3

J5

T3

N5

3DIR

3A1

4DIR

4A1

J4

J2

T4

N2

3OE

3B1

4OE

4B1

To Seven Other Channels

3

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SCES553C − MAY 2004 − REVISED APRIL 2005

†

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): GKE/ZKE package . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40°C/W

JA

stg

Storage temperature range, T

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

†

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.

4

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SCES553C − MAY 2004 − REVISED APRIL 2005

recommended operating conditions (see Notes 4 through 6)

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

I

High-level output current

Low-level output current

mA

OH

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

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

5

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SCES553C − MAY 2004 − REVISED APRIL 2005

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

OH

V = V

IH

V

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 V

1.2 V to 3.6 V

0 to 3.6 V

0 V

0.025

0.1

0.25

2.5

1

5

µA

I

A or B

port

V or V = 0 to 3.6 V

off

I

O

A or B

port

0 to 3.6 V

0.1

2.5

V

GND,

V = V

I

= V or

CCO

O

A or B

port

†

OE = V

IH

3.6 V

0.5

2.5

5

µA

I

OZ

or GND,

CCI

1.2 V to 3.6 V

0 V

1.2 V to 3.6 V

3.6 V

50

−10

50

I

V = V

or GND,

I

O

= 0

CCA

I

CCI

3.6 V

0 V

1.2 V to 3.6 V

0 V

1.2 V to 3.6 V

3.6 V

50

I

V = V

or GND,

I

= 0

µA

CCB

I

CCI

O

3.6 V

0 V

−10

90

) 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

port

V

O

= 3.3 V or GND

pF

io

†

For I/O ports, the parameter I

includes the input leakage current.

associated with the output port.

OZ

NOTES: 9. V

is the V

CC

CCO

is the V

10.

V

associated with the input port.

CC

CCI

6

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ꢕ ꢍ ꢉꢖ ꢆꢗ ꢁꢘ ꢍ ꢙꢏ ꢓ ꢄꢌꢐ ꢔ ꢅꢗ ꢐꢉꢄꢙ ꢔ ꢉ ꢓꢄꢁꢀ ꢐꢄꢉ ꢍꢗ ꢁ ꢄꢁꢎ ꢇ ꢋꢀꢉꢄꢉ ꢔ ꢗ ꢏꢉ ꢑ ꢏꢉꢀ

SCES553C − MAY 2004 − REVISED APRIL 2005

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

FROM

(INPUT)

TO

(OUTPUT)

CCB

TYP

4.1

CCB

TYP

3.3

CCB

TYP

CCB

TYP

2.8

CCB

TYP

3.2

PARAMETER

UNIT

ns

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

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

CCB

0.3 V

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

MAX

3.7

t

0.5

1

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

7

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ꢀ ꢁꢂ ꢃꢄꢅꢆ ꢇ ꢈꢉ ꢈ ꢃꢊ

ꢇꢈ ꢋꢌꢍ ꢉ ꢎ ꢏ ꢄꢐ ꢋꢀꢏ ꢑꢑ ꢐꢒ ꢌꢏ ꢀ ꢉꢓ ꢄꢁ ꢀꢆ ꢔꢍ ꢅ ꢔꢓ

ꢕꢍ ꢉ ꢖ ꢆ ꢗꢁ ꢘꢍ ꢙꢏ ꢓ ꢄꢌꢐ ꢔ ꢅ ꢗꢐꢉꢄꢙ ꢔ ꢉꢓ ꢄꢁ ꢀꢐ ꢄꢉ ꢍꢗ ꢁ ꢄꢁꢎ ꢇ ꢋꢀꢉꢄꢉ ꢔ ꢗ ꢏꢉ ꢑꢏꢉ ꢀ

SCES553C − MAY 2004 − REVISED APRIL 2005

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

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

8

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

ꢀꢁꢂ ꢃ ꢄꢅ ꢆꢇ ꢈꢉ ꢈꢃꢊ

ꢇ ꢈ ꢋꢌꢍ ꢉ ꢎꢏꢄ ꢐꢋꢀ ꢏꢑꢑꢐꢒ ꢌꢏꢀ ꢉ ꢓꢄꢁꢀ ꢆꢔ ꢍ ꢅꢔ ꢓ

ꢕ ꢍ ꢉꢖ ꢆꢗ ꢁꢘ ꢍ ꢙꢏ ꢓ ꢄꢌꢐ ꢔ ꢅꢗ ꢐꢉꢄꢙ ꢔ ꢉ ꢓꢄꢁꢀ ꢐꢄꢉ ꢍꢗ ꢁ ꢄꢁꢎ ꢇ ꢋꢀꢉꢄꢉ ꢔ ꢗ ꢏꢉ ꢑ ꢏꢉꢀ

SCES553C − MAY 2004 − REVISED APRIL 2005

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

operating characteristics, T = 25°C

A

V

=

V

=

V

=

V

=

V

=

CCA

= 1.5 V

CCA

= 1.8 V

CCA

TEST

CONDITIONS

V

= 1.2 V

V

= 2.5 V

V

= 3.3 V

PARAMETER

CCB

TYP

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

9

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

ꢀ ꢁꢂ ꢃꢄꢅꢆ ꢇ ꢈꢉ ꢈ ꢃꢊ

ꢇꢈ ꢋꢌꢍ ꢉ ꢎ ꢏ ꢄꢐ ꢋꢀꢏ ꢑꢑ ꢐꢒ ꢌꢏ ꢀ ꢉꢓ ꢄꢁ ꢀꢆ ꢔꢍ ꢅ ꢔꢓ

ꢕ

ꢍ

ꢉ

ꢖ

ꢆ

ꢗ

ꢁ

ꢘ

ꢍ

ꢙ

ꢏ

ꢓ

ꢄ

ꢌ

ꢐ

ꢔ

ꢅ

ꢗ

ꢐ

ꢉ

ꢄ

ꢙ

ꢔ

ꢉ

ꢓ

ꢄ

ꢁ

ꢀ

ꢐ

ꢄ

ꢉ

ꢍ

ꢗ

ꢁ

ꢄ

ꢁ

ꢎ

ꢇ

ꢋ

ꢀ

ꢉ

ꢄ

ꢉ

ꢔ

ꢗ

ꢏ

ꢉ

ꢑ

ꢏ

ꢉ

ꢀ

SCES553C − MAY 2004 − REVISED APRIL 2005

typical total static power consumption (I

+ I

)

CCA

CCB

Table 1

V

CCA

V

UNIT

CCB

0 V

0

1.2 V

<1

<2

2

1.5 V

1.8 V

<1

2.5 V

<1

3.3 V

<1

2

0 V

<1

<2

1.2 V

1.5 V

1.8 V

2.5 V

3.3 V

<1

<2

2

µA

<2

2

<2

10

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

ꢀꢁꢂ ꢃ ꢄꢅ ꢆꢇ ꢈꢉ ꢈꢃꢊ

ꢇ ꢈ ꢋꢌꢍ ꢉ ꢎꢏꢄ ꢐꢋꢀ ꢏꢑꢑꢐꢒ ꢌꢏꢀ ꢉ ꢓꢄꢁꢀ ꢆꢔ ꢍ ꢅꢔ ꢓ

ꢕ ꢍ ꢉꢖ ꢆꢗ ꢁꢘ ꢍ ꢙꢏ ꢓ ꢄꢌꢐ ꢔ ꢅꢗ ꢐꢉꢄꢙ ꢔ ꢉ ꢓꢄꢁꢀ ꢐꢄꢉ ꢍꢗ ꢁ ꢄꢁꢎ ꢇ ꢋꢀꢉꢄꢉ ꢔ ꢗ ꢏꢉ ꢑ ꢏꢉꢀ

SCES553C − MAY 2004 − REVISED APRIL 2005

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

×

+

ꢀ

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

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

A

= 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

11

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

ꢀ ꢁꢂ ꢃꢄꢅꢆ ꢇ ꢈꢉ ꢈ ꢃꢊ

ꢇꢈ ꢋꢌꢍ ꢉ ꢎ ꢏ ꢄꢐ ꢋꢀꢏ ꢑꢑ ꢐꢒ ꢌꢏ ꢀ ꢉꢓ ꢄꢁ ꢀꢆ ꢔꢍ ꢅ ꢔꢓ

ꢕꢍ ꢉ ꢖ ꢆ ꢗꢁ ꢘꢍ ꢙꢏ ꢓ ꢄꢌꢐ ꢔ ꢅ ꢗꢐꢉꢄꢙ ꢔ ꢉꢓ ꢄꢁ ꢀꢐ ꢄꢉ ꢍꢗ ꢁ ꢄꢁꢎ ꢇ ꢋꢀꢉꢄꢉ ꢔ ꢗ ꢏꢉ ꢑꢏꢉ ꢀ

SCES553C − MAY 2004 − REVISED APRIL 2005

TYPICAL CHARACTERISTICS

6

T

V

= 25°C

T

V

= 25°C

A

= 1.8 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

×

+

ꢀ

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

4

3

2

1

0

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

V

CCB

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

12

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

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ꢇ ꢈ ꢋꢌꢍ ꢉ ꢎꢏꢄ ꢐꢋꢀ ꢏꢑꢑꢐꢒ ꢌꢏꢀ ꢉ ꢓꢄꢁꢀ ꢆꢔ ꢍ ꢅꢔ ꢓ

ꢕ

ꢍ

ꢉ

ꢖ

ꢆ

ꢗ

ꢁ

ꢘ

ꢍ

ꢙꢏ

ꢓ

ꢄ

ꢌ

ꢐ

ꢔ

ꢅ

ꢗ

ꢐ

ꢉ

ꢄ

ꢙ

ꢔ

ꢉ

ꢓ

ꢄ

ꢁ

ꢀ

ꢐꢄꢉ

ꢍ

ꢗ

ꢁ

ꢄ

ꢁ

ꢎ

ꢇ

ꢋ

ꢀ

ꢉ

ꢄ

ꢉ

ꢔ

ꢗ

ꢏ

ꢉ

ꢑ

ꢏ

ꢉ

ꢀ

SCES553C − MAY 2004 − REVISED APRIL 2005

TYPICAL CHARACTERISTICS

6

5

4

3

2

1

0

T

V

= 25°C

A

×

+

ꢀ

H

ꢀ

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

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

13

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

ꢀ ꢁꢂ ꢃꢄꢅꢆ ꢇ ꢈꢉ ꢈ ꢃꢊ

ꢇꢈ ꢋꢌꢍ ꢉ ꢎ ꢏ ꢄꢐ ꢋꢀꢏ ꢑꢑ ꢐꢒ ꢌꢏ ꢀ ꢉꢓ ꢄꢁ ꢀꢆ ꢔꢍ ꢅ ꢔꢓ

ꢕ

ꢍ

ꢉ

ꢖ

ꢆ

ꢗ

ꢁ

ꢘ

ꢍ

ꢙ

ꢏ

ꢓ

ꢄ

ꢌ

ꢐ

ꢔ

ꢅ

ꢗ

ꢐ

ꢉ

ꢄ

ꢙ

ꢔ

ꢉ

ꢓ

ꢄ

ꢁ

ꢀ

ꢐ

ꢄ

ꢉ

ꢍ

ꢗ

ꢁ

ꢄ

ꢁ

ꢎ

ꢇ

ꢋ

ꢀ

ꢉ

ꢄ

ꢉ

ꢔ

ꢗ

ꢏ

ꢉ

ꢑ

ꢏ

ꢉ

ꢀ

SCES553C − MAY 2004 − REVISED APRIL 2005

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

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

E.

F.

G.

H.

I.

t

V

and t

PHL

are the same as t

.

dis

PLZ

PZL

PLH

PHZ

PZH

are the same as t

are the same as t .

pd

.

en

is the V associated with the input port.

CCI

CC

is the V

CC

associated with the output port.

CCO

Figure 11. Load Circuit and Voltage Waveforms

14

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

PACKAGE OPTION ADDENDUM

www.ti.com

19-Apr-2005

PACKAGING INFORMATION

Orderable Device

Status ⁽¹⁾

Package Package

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

Qty

Type

Drawing

SN74AVC32T245GKER

SN74AVC32T245ZKER

ACTIVE

LFBGA

GKE

96

1000

TBD

SNPB

Level-3-220C-168 HR

Level-3-250C-168 HR

ZKE

1000 Green (RoHS &

no Sb/Br)

SNAGCU

⁽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

-

The planned eco-friendly classification: Pb-Free (RoHS) or Green (RoHS

&

no Sb/Br)

-

please check

http://www.ti.com/productcontent for the latest availability information and additional product content details.

TBD: The Pb-Free/Green conversion plan has not been defined.

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 (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame

retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material)

(3)

MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry 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

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

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

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型号：	SN74AVC32T245NMJR
厂家：	TEXAS INSTRUMENTS
描述：	具有可配置电压转换和三态输出的 32 位双电源总线收发器 \| NMJ \| 96 \| -40 to 85 驱动总线驱动器总线收发器
文件：	总18页 (文件大小：406K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

SN74AVC32T245NMJR [TI]

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