74LVC541A

OCTAL BUFFER/ LINE DRIVER WITH 3 STATE OUTPUTS

Description

The 74LVC541A is an octal buffer/driver is designed for driving bus

lines or buffer memory address registers. The 3-state control gate is a

2-input AND gate with active-low inputs so that, if either output enable

(OE1 or OE2) input is high, all eight outputs are in the high-impedance

state.

These devices feature inputs and outputs on opposite sides of the

Pin Assignments

NEW PRODUCT

package that facilitate printed circuit board layout. The device is

designed for operation with a power supply range of 1.65V to 3.6V.

The inputs are tolerant to 5.5V allowing this device to be used in a

mixed voltage environment. The device is fully specified for partial

power down applications using I

OFF

. The I

OFF

circuitry disables the

output preventing damaging current backflow when the device is

powered down.

Features

•

Supply Voltage Range from 1.65V to 3.6V

Sinks or Sources 24mA at V

CC

= 3V

CMOS Low Power Consumption

I

OFF

Supports Partial-Power Down Operation

Inputs or Outputs Accept Up to 5.5V

Inputs Can Be Driven by 3.3V or 5V Allowing for Mixed Voltage

Applications

Schmitt Trigger Action at All Inputs

Typical V

OLP

(Quiet Output Ground Bounce) less than 0.8V with

V

CC

= 3.3V and T

A

= +25°C

Typical V

OHV

(Quiet Output Dynamic VOH) greater than 2.0V

with V

CC

= 3.3V and T

A

= +25°C

ESD Protection Tested per JESD 22

Exceeds 200-V Machine Model (A115)

Exceeds 2000-V Human Body Model (A114)

Exceeds 1000-V Charged Device Model (C101)

•

Latch-Up Exceeds 250mA per JESD 78, Class I

All devices are:

Totally Lead-Free & Fully RoHS compliant (Notes 1 & 2)

Halogen and Antimony Free. “Green” Device (Note 3)

Notes:

Applications

•

General Purpose Logic

Bus Driving

Power Down Signal Isolation

Wide array of products such as:

PCs, Notebooks, Netbooks, Ultrabooks

Networking Computer Peripherals, Hard Drives, CD/DVD

ROM

TV, DVD, DVR, set top box

1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.

2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen and Antimony free,

"Green" and Lead-Free.

3. Halogen and Antimony free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and

<1000ppm antimony compounds.

74LVC541A

Document number: DS35896 Rev. 1 - 2

1 of 10

www.diodes.com

July 2014

74LVC541A

Ordering Information

74 LVC

541A xxx -13

Logic Device

74 : Logic Prefix

541

:

Function

Octal

Buffer/Line

Driver with 3

State Outputs

Package

Size

Package

T20 : TSSOP-20

Q20 : QFN-20

Packing

-13 : 13” Tape & Reel

NEW PRODUCT

Part Number

74LVC541AT20-13

74LVC541AQ20-13

Notes:

Package

Code

T20

Q20

Package

(Note 4 & 5)

TSSOP-20

V-QFN4525-20

13” Tape and Reel

Quantity

Part Number Suffix

2500/Tape & Reel

-13

6.4mm X 6.5mm X 1.2mm

0.65 mm lead pitch

2.5mm X 4.5mm X 0.95mm

0.50 mm lead pitch

4. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at

http://www.diodes.com/datasheets/ap02001.pdf.

5. V-QFN4525-20 is a JEDEC recognized naming convention that specifies the package thickness category as V and the number 4525 describes the

package as 4.5mm X 2.5mm.

Pin Descriptions

Number

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

Name

Description

Output Enable 1

Data Input

Ground

Data Output

Output Enable 2

Supply Voltage

Logic Diagram

Function Table

INPUTS

OE1

A1

A2

A3

A4

A5

A6

A7

A8

GND

B8

B7

B6

B5

B4

B3

B2

B1

OE2

V

CC

OE1

L

H

X

OE2

L

X

H

A

L

H

X

OUTPUT

Q

L

H

Z

74LVC541A

Document number: DS35896 Rev. 1 - 2

2 of 10

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July 2014

74LVC541A

Absolute Maximum Ratings

(Notes 6 & 7)

Symbol

ESD HBM

ESD CDM

ESD MM

V

CC

V

I

IK

I

OK

I

O

I

CC

I

GND

T

J

T

STG

P

TOT

Notes:

Description

Human Body Model ESD Protection

Charged Device Model ESD Protection

Machine Model ESD Protection

Supply Voltage Range

Input Voltage Range

Input Clamp Current V

I

< 0V

Output Clamp Current V

O

< 0V

Continuous Output Current -0.5V < V

O

V

CC

+0.5V

Continuous Current Through V

CC

Continuous Current Through GND

Operating Junction Temperature

Storage Temperature

Total Power Dissipation

Rating

2

1

200

-0.5 to +7.0

-20

-50

±50

100

-100

-40 to +150

-65 to +150

500

Unit

kV

V

mA

°C

mW

NEW PRODUCT

6. Stresses beyond the absolute maximum may result in immediate failure or reduced reliability. These are stress values and device

operation should be within recommend values.

7. Forcing the maximum allowed voltage could cause a condition exceeding the maximum current or conversely forcing the maximum current could

cause a condition exceeding the maximum voltage. The ratings of both current and voltage must be maintained within the controlled range..

Recommended Operating Conditions

(Note 8)

Symbol

V

CC

V

I

V

O

Parameter

Supply Voltage

Input Voltage

Output Voltage

Conditions

Operating

Data Retention Only

—

V

CC

= 1.65V

I

OH

High-Level Output Current

V

CC

= 2.3V

V

CC

= 2.7V

V

CC

= 3.0V

V

CC

= 1.65V

I

OL

Low-Level Output Current

V

CC

= 2.3V

V

CC

= 2.7V

V

CC

= 3.0V

∆t/∆V

T

A

Note:

Min

1.65

1.5

0

—

-40

Max

3.6

—

5.5

V

CC

-4

-8

-12

-24

4

8

12

24

10

+125

Unit

V

mA

Input Transition Rise or Fall Rate

Operating Free-Air Temperature

8. Unused inputs should be held at V

CC

or Ground.

ns/V

°C

74LVC541A

Document number: DS35896 Rev. 1 - 2

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July 2014

74LVC541A

Electrical Characteristics

Symbol

Parameter

High-Level Input

Voltage

Low-Level input

voltage

I

OH

= -50μA

I

OH

= -4mA

V

OH

High-Level

Output Voltage

I

OH

= -8mA

I

OH

= -12mA

I

OH

= -24mA

I

OL

= 100μA

V

OL

Low-Level Output

Voltage

I

OL

= 4mA

I

OL

= 8mA

I

OL

= 12mA

I

OL

= 24mA

I

OFF

I

Power Down

Leakage Current

Input Current

Control Pins

Z-State Current

including Input

Current

I/O Pins

Supply Current

Additional Supply

Current

Input

Capacitance

V

I

or V

O

= 0 or 5.5V

V

I

= GND or 5.5V

V

I

= GND or 5.5V

V

O

= 0 to 5.5V

V

I

= GND or V

CC

, I

O

= 0

One Input at V

CC

-0.6V I

O

= 0A

Control Pins

I/O Pins

V

I

= GND or V

CC

Test Conditions

V

CC

1.65V to 1.95V

2.3V to 2.7V

3.0V to 3.6V

1.65V to 1.95V

2.3V to 2.7V

3.0V to 3.6V

1.65V to 3.6V

1.65V

2.3V

2.7V

3.0V

1.65V to 3.6V

1.65V

2.3V

2.7V

3.0V

0V

0 to 3.6V

T

A

= -40°C to +85°C

Min

Max

V

CC

X 0.65

1.7

2

—

V

CC

-0.2

1.2

1.7

2.2

2.4

2.3

—

V

CC

X 0.35

0.7

0.8

—

0.2

0.45

0.60

0.40

0.55

±10

±5

T

A

= -40°C to +125°C

Min

Max

V

CC

X 0.65

1.7

2

—

V

CC

-0.3

1.05

1.65

2.05

2.48

2.0

—

V

CC

X 0.35

0.7

0.8

—

0.3

0.65

0.80

0.60

0.80

20

±20

μA

V

Unit

V

IH

V

IL

V

NEW PRODUCT

I

OZ

I

CC

∆I

CC

C

i

3.6V

2.7V to 3.6V

0V to 3.6V

—

4.0 typical

5.5 typical

±5

10

500

—

±20

40

5000

4.0 typical

5.5 typical

µA

μA

pF

Switching Characteristics

Symbol

Parameter

Propagation

Delay A

N

to Y

N

Test

Conditions

V

CC

1.8V ± 0.15V

2.5V ± 0.2 V

2.7V

3.3V ± 0.3V

1.8V ± 0.15V

2.5V ± 0.2V

2.7V

3.3V ± 0.3V

1.8V ± 0.15V

2.5V ± 0.2V

2.7V

3.3V ± 0.3V

T

A

= +25°C

Min

1

1.5

1

1.5

1

1.7

Typ

6.0

3.9

4.2

3.8

7

4.5

5.4

4.4

7.8

5

4.4

4.1

Max

13.2

8.6

7.5

6.5

14.8

13

8.3

6.4

15.5

8.7

7.5

6.9

1.0

T

A

= -40°C to +85°C T

A

= -40°C to +125°C

Min

1

1.5

1

1.5

1

1.7

Max

17.7

9.6

7.9

6.9

17.5

16.5

7.5

7.0

16.5

9.0

7.7

7.0

Min

1

1.5

1

1.5

1

1.7

Max

18.9

10.7

9.5

8.8

18.5

17.5

11.5

8.0

18.2

9.6

10.0

9.0

1.5

Unit

t

PD

Figure 1

ns

t

EN

Enable Time

OE

to Y

N

Figure 1

ns

t

DIS

Disable Time

OE

to Y

N

Output Skew

Time

Figure 1

ns

t

sk(0)

ns

74LVC541A

Document number: DS35896 Rev. 1 - 2

4 of 10

www.diodes.com

July 2014

74LVC541A

Operating Characteristics

T

A

= +25°C

Symbol

C

pd

Parameter

Power dissipation

capacitance per gate

Test Conditions

F = 10 MHz

V

CC

1.8V ± 0.15V

2.5V ± 0.2V

3.3V ± 0.3V

Typ

9.9

10.2

10.6

Unit

pF

NEW PRODUCT

Package Characteristics

Symbol

θ

JA

θ

JC

θ

JA

θ

JC

Note:

Parameter

Thermal Resistance

Junction-to-Ambient

Thermal Resistance

Junction-to-Case

Thermal Resistance

Junction-to-Ambient

Thermal Resistance

Junction-to-Case

Package

TSSOP-20

V-QFN4525-20

Test Conditions

(Note 9)

Min

—

Typ

74

15

67

20

Max

—

Unit

°C/W

9. Test conditions for TSSOP-20 and V-QFN4525-20: Devices mounted on 4 layer FR-4 substrate PC board, 2oz copper, with minimum recommended

pad layout per JESD 51-7.

74LVC541A

Document number: DS35896 Rev. 1 - 2

5 of 10

www.diodes.com

July 2014

参数名称	属性值
工作温度	-40℃~+125℃（TA）
电流 - 输出高，低	24mA、24mA
输出类型	三态
逻辑电路的归属系列	74LVC
逻辑类型	缓冲器,非反向
元件数	1
每元件位数	8
电源电压	1.65V ~ 3.6V

74LVC541AQ20-13

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