Details, datasheet, quote on part number: SN54ALS27AFK
PartSN54ALS27AFK
CategoryLogic => Gates
DescriptionTriple 3-input Positive-nOR GATEs
CompanyTexas Instruments, Inc.
DatasheetDownload SN54ALS27AFK datasheet
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Features, Applications

Package Options Include Plastic Small-Outline (D) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J) 300-mil DIPs

description

These devices contain three independent 3-input positive-NOR gates. They perform the Boolean functions or in positive logic. The SN54ALS27A and SN54AS27 are characterized for operation over the full military temperature range to 125C. The SN74ALS27A and SN74AS27 are characterized for operation from to 70C.

FUNCTION TABLE (each gate) INPUTS OUTPUT

This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. Pin numbers shown are for the D, J, and N packages.

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.

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

Supply voltage, VCC. 7 V Input voltage, VI. 7 V Operating free-air temperature range, TA: to 70C Storage temperature range. 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.

SN54ALS27A MIN VCC VIH VIL IOH IOL Supply voltage High-level input voltage Low level input voltage Low-level High-level output current Low-level output current NOM 5 MAX 5.5 SN74ALS27A MIN NOM 5 MAX 5.5 UNIT mA C

TA Operating free-air temperature Applies over temperature range 70C Applies over temperature range to 125C

electrical characteristics over recommended operating free-air temperature range (unless otherwise noted)

mA All typical values are at VCC 25C. # The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, IOS.

For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.

Supply voltage, VCC. 7 V Input voltage, VI. 7 V Operating free-air temperature range, TA: to 70C Storage temperature range. to 150C

SN54AS27 MIN VCC VIH VIL IOH IOL TA Supply voltage High-level input voltage Low-level input voltage High-level output current Low-level output current Operating free-air temperature NOM 5 MAX 5.5 SN74AS27 MIN NOM 5 MAX 5.5 UNIT mA C

PARAMETER VIK VOH VOL II IIH IIL IO ICCH ICCL TEST CONDITIONS VCC 4.5 V, VCC 5.5 V, VCC 4.5 V, VCC 5.5 V, VCC 5.5 V, VCC 5.5 V, VCC 5.5 V, VCC 18 mA IOH 2 mA IOL VI SN54AS27 MIN TYP MAX 1.2 VCC SN74AS27 MIN TYP MAX 1.2 UNIT A mA

VCC mA All typical values are at VCC 25C. The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, IOS.


 

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