SN74LVC240ADB datasheet(1/8 Pages) TI

tên linh kiện	SN74LVC240ADB

Giải thích chi tiết về linh kiện	OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS

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SN74LVC240A

OCTAL BUFFER/DRIVER

WITH 3-STATE OUTPUTS

SCAS293G – JANUARY 1993 – REVISED MARCH 2000

1

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

D EPIC™ (Enhanced-Performance Implanted

CMOS) Submicron Process

D Typical VOLP (Output Ground Bounce)

<0.8 V at VCC = 3.3 V, TA = 25°C

D Typical VOHV (Output VOH Undershoot)

>2 V at VCC = 3.3 V, TA = 25°C

D Supports Mixed-Mode Signal Operation on

All Ports (5-V Input/Output Voltage With

3.3-V VCC)

D Ioff Supports Partial-Power-Down-Mode

Operation

D ESD Protection Exceeds 2000 V Per

MIL-STD-883, Method 3015; Exceeds 200 V

Using Machine Model (C = 200 pF, R = 0)

D Latch-Up Performance Exceeds 250 mA Per

JESD 17

D Package Options Include Plastic

Small-Outline (DW), Shrink Small-Outline

(DB), Thin Very Small-Outline (DGV), and

Thin Shrink Small-Outline (PW) Packages

description

This octal buffer/driver is designed for 1.65-V to 3.6-V VCC operation.

The SN74LVC240A is designed specifically to improve the performance and density of 3-state memory address

drivers, clock drivers, and bus-oriented receivers and transmitters.

This device is organized as two 4-bit buffers/drivers with separate output-enable (OE) inputs. When OE is low,

the device passes data from the A inputs to the Y outputs. When OE is high, the outputs are in the

high-impedance state.

Inputs can be driven from either 3.3-V or 5-V devices. This feature allows the use of these devices as translators

in a mixed 3.3-V/5-V system environment.

To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup

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

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

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

The SN74LVC240A is characterized for operation from –40

°C to 85°C.

FUNCTION TABLE

(each 4-bit buffer)

INPUTS

OUTPUT

OE

A

Y

L

H

L

LH

H

X

Z

Copyright

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

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.

EPIC is a trademark of Texas Instruments Incorporated.

DB, DGV, DW, OR PW PACKAGE

(TOP VIEW)

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1OE

1A1

2Y4

1A2

2Y3

1A3

2Y2

1A4

2Y1

GND

VCC

2OE

1Y1

2A4

1Y2

2A3

1Y3

2A2

1Y4

2A1

Số phần tương tự - SN74LVC240ADB

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Texas Instruments	SN74LVC240ADBLE	432Kb / 15P	OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
	SN74LVC240ADBLE	416Kb / 14P	OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
	SN74LVC240ADBR	432Kb / 15P	OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
	SN74LVC240ADBR	416Kb / 14P	OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
	SN74LVC240ADBR	948Kb / 30P	SN74LVC240A Octal Buffer/Driver with 3-State Outputs REVISED JULY 2014

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nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Texas Instruments	74AC11244	91Kb / 6P	OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS REVISED SEPTEMBER 1998
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	74AC11244	796Kb / 14P	OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
	SN74LVC540A-Q1	1Mb / 15P	OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS

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