Details, datasheet, quote on part number: SNJ54ALS541J
CategorySemiconductors => Space & High Reliability => Logic Products => Buffers/Drivers/Transceivers => Buffer Drivers
Part familySN54ALS541 Octal Buffers And Line Drivers With 3-State Outputs
TitleInverting Buffers and Drivers
DescriptionOctal Buffers And Line Drivers With 3-State Outputs 20-CDIP -55 to 125
CompanyTexas Instruments, Inc.
DatasheetDownload SNJ54ALS541J datasheet
Cross ref.Similar parts: DM74ALS541N
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Technology FamilyALS
Output TypeTTL
Schmitt TriggerNo
Operating Temperature Range(C)-55 to 125
Input TypeTTL
Package GroupCDIP
  Mecanical Data
Pin nbPackage typeInd stdJEDEC codePackage qtyCarrierDevice markWidth (mm)Length (mm)Thick (mm)Pitch (mm)
20JCDIPR-GDIP-T1TUBE5962-8960201RA 6.9224.24.572.54
Application notes
• Advanced Schottky (ALS and AS) Logic Families
This document introduces the advanced Schottky family of clamped TTL integrated circuits (ICs). Detailed electrical characteristics of the 'AS and 'ALS devices with table formats are provided. Guidelines for designing high-performance digital systems using | Doc


Features, Applications

3-State Outputs Drive Bus Lines or Buffer Memory Address Registers pnp Inputs Reduce dc Loading Data Flowthrough Pinout (All Inputs on Opposite Side From Outputs)


These octal buffers and line drivers are designed to have the performance of the popular SN54ALS240A/ SN74ALS240A series and, at the same time, offer 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 a 2-input NOR gate such that, if either output-enable 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 no -1 version of the SN54ALS541.

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.

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.

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.


TA PACKAGE ORDERABLE PART NUMBER SN74ALS540N PDIP N Tube SN74ALS541N SN74ALS541-1N Tube Tape and reel Tube SOIC to 70C Tube Tape and reel Tube Tape and reel Tape and reel SOP NS Tape and reel SN74ALS541NSR SN74ALS541-1NSR SSOP to 125C CDIP J LCCC FK Tape and reel Tube SNJ54ALS541J SNJ54ALS541FK TOP-SIDE MARKING SNJ54ALS541J SNJ54ALS541FK

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

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

Supply voltage, VCC. 7 V Input voltage, VI. 7 V Voltage applied to a disabled 3-state output. 5.5 V Package thermal impedance, JA (see Note 1): DB package. 70C/W DW package. 58C/W N package. 69C/W NS package. 60C/W Storage temperature range, Tstg. to 150C

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. NOTE 1: The package thermal impedance is calculated in accordance with JESD 51-7.

SN54ALS541 MIN VCC VIH VIL IOH IOL Supply voltage High-level input voltage Low-level input voltage High-level output current Low level output current Low-level NOM 5 MAX SN74ALS540 SN74ALS541 MIN NOM 5 MAX mA C UNIT

TA Operating free-air temperature Applies only to the -1 version and only if VCC is between 4.75 V and 5.25 V


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