Texas Instruments SN74ALS541N Bedienungsanleitung

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SN54ALS541, SN74ALS540, SN74ALS541

OCTAL BUFFERS AND LINE DRIVERS

WITH 3-STATE OUTPUTS

SDAS025D – APRIL 1982 – REVISED MARCH 2002

1

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

3-State Outputs Drive Bus Lines or Buer

Memory Address Registers

pnp Inputs Reduce dc Loading

Data Flowthrough Pinout (All Inputs on

Opposite Side From Outputs)

description

These octal buers and line drivers are designed

to have the performance of the popular

SN54ALS240A/SN74ALS240A series and, at

the same time, oer a pinout with inputs and

outputs on opposite sides of the package. This

arrangement greatly facilitates printed circuit

board layout.

The 3-state control gate is a 2-input NOR gate

such that, if either output-enable (OE1 or OE2)

input is high, all eight outputs are in the

high-impedance state.

The SN74ALS540 provides inverted data. The

’ALS541 provide true data at the outputs.

The -1 versions of SN74ALS540 and

SN74ALS541 are identical to the standard

versions, except that the recommended

maximum IOL is increased to 48 mA. There is no

-1 version of the SN54ALS541.

Copyright  2002, Texas Instruments Incorporated

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.

SN54ALS541. . . J PACKAGE

SN74ALS540. . . DW, N, OR NS PACKAGE

SN74ALS541. . . DB, DW, N, OR NS PACKAGE

(TOP VIEW)

SN54ALS541. . . FK PACKAGE

(TOP VIEW)

1

2

3

4

5

6

7

8

9

10

20

19

18

17

16

15

14

13

12

11

OE1

A1

A2

A3

A4

A5

A6

A7

A8

GND

VCC

OE2

Y1

Y2

Y3

Y4

Y5

Y6

Y7

Y8

3 2 12019

910 11 12 13

4

5

6

7

8

18

17

16

15

14

Y1

Y2

Y3

Y4

Y5

A3

A4

A5

A6

A7

A2

A1

OE1

Y7

Y6 OE2

A8

GND

Y8

V

CC

On products compliant to MIL-PRF-38535, all parameters are tested

unless otherwise noted. On all other products, production

processing does not necessarily include testing of all parameters.

Produktspezifikationen