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74LVC241A

OCTAL BUFFER/LINE DRIVER WITH 3 STATE OUTPUTS

Description

The 74LVC241A provides two 4-bit buffers/drivers with separate

output-enable (1OE and 2OE) inputs. When 1OE is low or 2OE is

high, the device passes noninverted data from the A inputs to the

Y outputs. When 1OE is high or 2OE is low, the outputs for the

respective buffers/drivers are in the high-impedance state.

The device is designed for operation with a power supply range of

Pin Assignments

( Top View )

1OE

1A1

2Y4

1A2

2Y3

1A3

2Y2

1A4

2Y1

GND

1

2

3

4

5

6

7

8

9

10

20

19

18

17

16

15

14

13

12

11

( Top Transparent View)

Vcc

2OE

1Y1

2A4

1Y2

2A3

1Y3

2A2

1Y4

2A1

QFN-20

terminal 1

index area

1A1

2Y4

1A2

2Y3

1A3

2Y2

1A4

2Y1

2

3

4

5

6

7

8

9

19

18

17

16

15

14

13

12

2OE

1Y1

2A4

1Y2

2A3

1Y3

2A2

1Y4

NEW PRODUCT

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.

TSSOP-20

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.

74LVC241A

Document number: DS35887 Rev. 1 - 2

1 of 10

www.diodes.com

July 2014

74LVC241A

Ordering Information

74 LVC

241A xxx -13

Logic Device

74 : Logic Prefix

241

:

Function

Octal

Buffer/Line

Driver with 3

State Outputs

Package

T20 : TSSOP-20

Q20 : QFN-20

Packing

-13 : 13” Tape & Reel

NEW PRODUCT

Part Number

74LVC241AT20-13

74LVC241AQ20-13

Notes:

Package

Code

T20

Q20

Package

(Note 4 & 5)

TSSOP-20

V-QFN4525-20

Package

Size

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

13” Tape and Reel

Quantity

2500/Tape & Reel

Part Number Suffix

-13

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

Pin Number

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

Pin Name

Description

Output Enable 1

Data Input

Data Output

Data Input

Data Output

Data Input

Data Output

Data Input

Data Output

Ground

Data Input

Data Output

Data Input

Data Output

Data Input

Data Output

Data Input

Data Output

Output Enable 2

Supply Voltage

Logic Diagram

1OE

1

2OE

19

1OE

1A1

2Y4

1A2

2Y3

1A3

2Y2

1A4

2Y1

GND

2A1

1Y4

2A2

1Y3

2A3

1Y2

2A4

1Y1

2OE

Vcc

1A1

2

18

1Y1

2A1

11

9

2Y1

1A2

4

16

1Y2

2A2

13

7

2Y2

1A3

6

14

1Y3

2A3

15

5

2Y3

1A4

8

12 1Y4

2A4

17

3

2Y4

Function Table

INPUTS

1OE

L

H

OUTPUTS

1An

L

H

X

1Yn

L

H

Z

OUTPUTS

2Yn

L

H

Z

INPUTS

2OE

H

L

2An

L

H

X

74LVC241A

Document number: DS35887 Rev. 1 - 2

2 of 10

www.diodes.com

July 2014

74LVC241A

Absolute Maximum Ratings

(Notes 6 & 7)

Symbol

ESD HBM

ESD CDM

ESD MM

V

CC

V

I

IK

Description

Human Body Model ESD Protection

Charged Device Model ESD Protection

Machine Model ESD Protection

Supply Voltage Range

Input Voltage Range

Input Clamp Current

Output Clamp Current

V

I

< 0V

V

O

< 0V

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

I

OK

I

O

I

CC

I

GND

T

J

T

STG

P

TOT

Notes:

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

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

74LVC241A

Document number: DS35887 Rev. 1 - 2

3 of 10

www.diodes.com

July 2014

74LVC241A

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

I

OL

= 4mA

Low-Level Output

I

OL

= 8mA

Voltage

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

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

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

—

3.6V

2.7V to 3.6V

0V to 3.6V

—

4.0 typical

5.5 typical

±5

10

500

—

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

—

±20

40

5000

4.0 typical

5.5 typical

µA

μA

pF

—

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

V

I

= GND or V

CC

, I

O

= 0

Additional Supply One input at Vcc-0.6V

Current

Io= 0A

Control Pins V

I

= GND

Input

Capacitance

or V

CC

I/O Pins

Switching Characteristics

Symbol

Parameter

Propagation

Delay A

N

to Y

N

Test

Conditions

Figure 1

V

CC

1.8V ± 0.15V

t

PD

2.5V ± 0.2 V

2.7V

3.3V ± 0.3V

Enable Time

t

EN

1.8V ± 0.15V

Figure 1

2.5V ± 0.2V

2.7V

3.3V ± 0.3V

1.8V ± 0.15V

Figure 1

2.5V ± 0.2V

2.7V

3.3V ± 0.3V

Min

1

1.5

1

1.5

1

1.7

T

A

= +25°C

Typ

Max

6.0

3.9

4.2

3.8

7

4.5

5.4

4.4

7

4.5

5.4

4.4

12.2

7.8

8.1

7.6

12.8

9

7.5

6.9

12.8

9

7.5

6.9

1.0

-40°C to +85°C

Min

1

1.5

1

1.5

1

1.7

Max

12.7

8.4

8.9

8.1

14.8

10

8.1

7.1

14.8

10

8.1

7.1

-40°C to +125°C

Min

1

1.5

1

1.5

1

1.7

Max

15.1

9.7

9.4

8.3

15.5

11.2

9.0

8.7

15.5

11.2

9.0

8.7

1.5

ns

Unit

OE

to Y

N or

OE to Y

N

Disable Time

t

DIS

OE

to Y

N or

OE to Y

N

Output Skew

Time

t

sk(0)

74LVC241A

Document number: DS35887 Rev. 1 - 2

4 of 10

www.diodes.com

July 2014

74LVC241A

Operating Characteristics

T

A

= +25°C

Symbol

C

pd

Parameter

Test Conditions

V

CC

1.8V± 0.15V

2.5V± 0.2V

3.3V± 0.3V

TYP

9.9

10.2

10.6

Unit

pF

F= 10 MHz

Power Dissipation

Capacitance per Gate Outputs Enabled

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.

74LVC241A

Document number: DS35887 Rev. 1 - 2

5 of 10

www.diodes.com

July 2014

74LVC241AT20-13

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