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µ/6 µ6240, 240

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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 mattersand other important disclaimers. PRODUCTION DATA.

On productscompliant to MIL-PRF-38535, all parametersare

tested unlessotherwise noted. On all other products, production

processing does not necessarilyinclude testing of all parameters.

SN54LS240

,

SN54LS241

,

SN54LS244

,

SN54S240

,

SN54S241

,

SN54S244

SN74LS240

,

SN74LS241

,

SN74LS244

,

SN74S240

,

SN74S241

,

SN74S244

SDLS144D –APRIL1985–REVISED OCTOBER 2016

SNx4LS24x, SNx4S24x Octal Buers andLine Drivers With 3-State Outputs

1

1 Features

1

•Inputs TolerantDown to2 V, CompatibleWith

3.3-V or2.5-V LogicInputs

•Maximum tpd of15 nsat 5V

•3-StateOutputs DriveBus LinesorBuer Memory

Address Registers

•PNPInputs ReduceDC Loading

•Hysteresisat InputsImproves NoiseMargins

2 Applications

• Servers

•LED Displays

•Network Switches

•Telecom Infrastructure

•Motor Drivers

•I/O Expanders

3 Description

The SNx4LS24x, SNx4S24x octal buers and line

drivers are designed specically to improve both the

performance and densityof three-state memory

address drivers, clockdrivers, and bus-oriented

receiversand transmitters.The designerhasa choice

of selected combinationsof inverting andnon-

inverting outputs, symmetrical,active-low output-

control (G) inputs,and complementary output-control

(G and G) inputs. These devices feature high fan-out,

improved fan-in, and 400-mV noise margin. The

SN74LS24x and SN74S24x devices can be used to

drive terminatedlines downto 133.Ω

Device Information(1)

PART NUMBERPACKAGEBODY SIZE (NOM)

SN54LS24x,

SN54S24x

CDIP (20) – J24.20 mm × 6.92 mm

CFP (20) – W7.02 mm× 13.72 mm

LCCC (20) –FK8.89 mm× 8.89 mm

SN74LS240,

SN74LS244 SSOP (20) – DB7.20 mm× 5.30 mm

SN74LS24x,

SN74S24x

SOIC (20)–DW12.80 mm × 7.50 mm

PDIP (20) – N24.33 mm × 6.35 mm

SN74LS24xSOP (20) –NS7.80 mm× 12.60 mm

(1)For all available packages,see the orderable addendum at

the end of the data sheet.

Logic Diagram(Positive Logic)

Produktspecifikationer