Texas Instruments SN74F125DR Manual

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Side 1/14

SN74F125

QUADRUPLE BUS BUFFER GATE

WITH 3-STATE OUTPUTS

SDFS016B – JANUARY 1989 – REVISED JULY 2002

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

3-State Outputs Drive Bus Lines or Buer

Memory Address Registers

description/ordering information

The SN74F125 features independent line drivers

with 3-state outputs. Each output is disabled when

the associated output-enable (OE) input is high.

ORDERING INFORMATION

TAPACKAGE

†ORDERABLE

PART NUMBER

TOP-SIDE

MARKING

PDIP – N Tube SN74F125N SN74F125N

SOIC D

Tube SN74F125D

F125

0 C°C to 70°

SOIC

–

Tape and reel SN74F125DR

F125

SOP – NS Tape and reel SN74F125NSR 74F125

SSOP – DB Tape and reel SN74F125DBR F125

†Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are

available at www.ti.com/sc/package.

FUNCTION TABLE

(each buer)

INPUTS OUTPUT

OE A Y

L H H

L L L

H X Z

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.

D, DB, N, OR NS PACKAGE

(TOP VIEW)

1OE

2OE

GND

VCC

4OE

3OE

SN74F125

QUADRUPLE BUS BUFFER GATE

WITH 3-STATE OUTPUTS

SDFS016B – – JANUARY 1989 REVISED JULY 2002

2POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

logic diagram (positive logic)

5 6

2A 2Y

2OE

2 3

1A 1Y

1OE

9 8

3A 3Y

3OE

12 11

4A 4Y

4OE

absolute maximum ratings over operating free-air temperature range (unless otherwise noted) †

Supply voltage range, VCC –0.5 V to 7 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Input voltage range, VI (see Note 1) –1.2 V to 7 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Input current range –30 mA to 5 mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Voltage range applied to any output in the disabled or power-off state –0.5 V to 5.5 V. . . . . . . . . . . . . . . . . . . .

Voltage range applied to any output in the high state 128 mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Current into any output in the low state ±70 mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Package thermal impedance, θJA (see Note 2): D package 86°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

DB package 96°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

N package 80°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

NS package 76°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Storage temperature range, Tstg 65 C–°C to 150°. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

†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 ratings may be exceeded provided the input current ratings are observed.

2. The package thermal impedance is calculated in accordance with JESD 51-7.

recommended operating conditions (see Note 3)

MIN NOM MAX UNIT

VCC Supply voltage 4.5 5 5.5 V

VIH High-level input voltage 2 V

VIL Low-level input voltage 0.8 V

IIK Input clamp current –18 mA

IOH High-level output current –15 mA

IOL Low-level output current 64 mA

TAOperating free-air temperature 0 70 C°

NOTE 3: All unused inputs of the device must be held at V

CC or GND to ensure proper device operation. Refer to the TI application report,

Implications of Slow or Floating CMOS Inputs, literature number SCBA004.

Produkt Specifikationer

Mærke:	Texas Instruments
Kategori:	Ikke kategoriseret
Model:	SN74F125DR

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