Texas Instruments SN74AHC125D Bedienungsanleitung

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1

1OE

2

1A 1Y

3

4

2OE

5

2A 2Y

6

10

3OE

9

3A 3Y

8

13

4OE

12

4A 4Y

11

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An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

SN54AHC125

,

SN74AHC125

SCLS256L– DECEMBER1995 – REVISEDNOVEMBER2016

SNx4AHC125 Quadruple Bus Buer Gates With 3-State Outputs

1

1 Features

1

•Operating Range: 2 Vto 5.5V

•Latch-UpPerformance Exceeds250 mAPer

JESD 17

•Four IndividualOutput Enable Pins

•All InputsHave Schmitt-TriggerAction

2 Applications

•Flow Meters

•Programmable LogicControllers

•Power OverEthernet (PoE)

•Motor Drivesand Controls

•Electronic Point-of-Sale

3 Description

The SNx4AHC125 devices are quadruple bus buer

gatesfeaturing independentline driverswith3-state

outputs. Each outputis disabled when the associated

output-enable(OE)input ishigh. WhenOE islow, the

respective gate passes the data from the A input to

its Youtput.

To ensure the high-impedance state during power up

or power down,OE must betied to VCC through a

pullup resistor;the minimumvalue of theresistor is

determined by the current-sinking capability of the

driver.

Device Information(1)

PART NUMBERPACKAGE (PINS)BODY SIZE (NOM)

SNx4AHC125FKLCCC (20)8.89 mm 8.89 mm

SNx4AHC125DBSSOP (14)6.20 mm 5.30 mm

SNx4AHC125DSOIC (14)8.65 mm× 3.91 mm

SNx4AHC125NSSO (14)10.30 mm × 5.30 mm

SNx4AHC125WCFP (14)9.21 mm× 5.97 mm

SNx4AHC125DGVTVSOP (14)3.60 mm× 4.40 mm

SNx4AHC125PWTSSOP (14)5.00 mm× 4.40 mm

SNx4AHC125NPDIP (14)19.30 mm × 6.35 mm

SNx4AHC125RGYVQFN (14)3.50 mm× 3.50 mm

SNx4AHC125JCDIP (14)19.56 mm × 6.67 mm

(1)Forallavailablepackages, see theorderable addendum at

the end of the data sheet.

Logic Diagram(Positive Logic)

Pin numbersshown are for the D, DB, DGV, J, N, NS, PW, RGY, and W packages.

Produktspezifikationen