Details, datasheet, quote on part number: SN74ALS257AD
CategorySemiconductors => Switches and Multiplexers => Buffered Encoders and Decoders
Part familySN74ALS257A Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs
DescriptionQuadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs 16-SOIC 0 to 70
CompanyTexas Instruments, Inc.
DatasheetDownload SN74ALS257AD datasheet
Cross ref.Similar parts: DM74ALS257M, DM74ALS257MX_NL, DM74ALS257AM, N74ALS257D, DM74ALS257, DM74ALS257MX
Find where to buy
Operating Temperature Range(C)0 to 70
Technology FamilyALS
Schmitt TriggerNo
tpd @ Nom Voltage(Max)(ns)12
Output Drive (IOL/IOH)(Max)(mA)24/-2.6
Type3-State Output
Package GroupPDIP,SO,SOIC
Approx. Price (US$)0.46 | 1ku
ICC @ Nom Voltage(Max)(mA)14
F @ Nom Voltage(Max)(Mhz)75
ESD Charged Device Model(kV)0.75
Digital input leakage(Max)(uA)5
  Mecanical Data
Pin nbPackage typeInd stdJEDEC codePackage qtyCarrierDevice markWidth (mm)Length (mm)Thick (mm)Pitch (mm)
16DSOICR-PDSO-G40TUBEALS257A 3.919.91.581.27
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 Interface Directly With System Bus Provide Bus Interface From Multiple Sources in High-Performance Systems Package Options Include Plastic Small-Outline (D) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J) 300-mil DIPs


These data selectors/multiplexers are designed to multiplex signals from 4-bit data sources to 4-output data lines in bus-organized systems. The 3-state outputs do not load the data lines when the output-enable (OE) input at a high logic level. The SN54ALS257A and SN54ALS258A are characterized for operation over the full military temperature range to 125C. The SN74ALS258A, SN74AS257, and SN74AS258 are characterized for operation from to 70C.


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.

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.

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

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

Supply voltage, VCC. 7 V Input voltage, VI. 7 V Voltage applied to a disabled 3-state output. 5.5 V Maximum power dissipation = 55C (in still air) (see Note 1): D package. W N package. 1.1 W Operating free-air temperature range, TA: to 70C 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 maximum package power dissipation is calculated using a junction temperature of 150C and a board trace length of 750 mils, except for the N package, which has a trace length of zero.

SN54ALS257A SN54ALS258A 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 SN74ALS257A SN74ALS258A MIN NOM 5 MAX mA C UNIT


Related products with the same datasheet
Some Part number from the same manufacture Texas Instruments, Inc.
SN74ALS257ADR ti SN74ALS257A, Quadruple 2-Line to 1-Line Data Selectors/multiplexers With 3-State Outputs
SN74ALS258A Quadruple 2-line to 1-line Data Selectors/multiplexers With 3-state Outputs
SN74ALS258AD ti SN74ALS258A, Quadruple 2-Line to 1-Line Data Selectors/multiplexers With 3-State Outputs
SN74ALS258D ti SN74ALS258, Quad 2-Line to 1-Line Data Selectors/multiplexers With 3-State Outputs
SN74ALS259 8-bit Addressable Latch
SN74ALS259D ti SN74ALS259, Octal Addressable Latches
SN74ALS273 Octal D Flip-flop With Master Reset
SN74ALS273DW ti SN74ALS273, Octal D-type Positive-edge-triggered Flip-flops With Clear
SN74ALS27A Triple 3-input NOR GATE
SN74ALS27AD ti SN74ALS27A, Triple 3-Input Positive NOR GATEs
SN74ALS27D ti SN74ALS27, Triple 3-Input Positive NOR GATEs
SN74ALS280 9-bit Odd/even Parity Generator/checker
SN74ALS280D ti SN74ALS280, 9-Bit Odd/even Parity Generators/checkers
SN74ALS28A Quadruple 2-input Positive-nor Buffers
SN74ALS29818 8-bit Diagnostics/high-speed 8-bit Parallel Pipeline Register
SN74ALS29818DW ti SN74ALS29818, 8-Bit Diagnostics/pipeline Registers

CD4073BF : ti CD4073B, CMOS Triple 3-Input And Gate

OPA2681N : Line Drivers and Receivers ti OPA2681, SpeedPlus(TM) Wideband, Current Feedback Operational Amplifier With Disable

TPS780330220DDCR : Single Output LDO, 150mA, Dual Level Fixed (3.3V Or 2.2V) With Vset Pin, 500nA Quiescent Current The TPS780 family of low-dropout (LDO) regulators offer the benefits of ultralow power (IQ = 500nA), miniaturized packaging (22 SON-6), and selectable dual-level output voltage levels. An adjustable ve

PTMA401120P1AST : 10-w, 36-V to 75-V Input, 1500-v Isolation, Dc/dc Converters

BQ24002PWPG4 : IC, BATTERY CHARGER LIION 1.2A HTSSOP-20 Specifications: Battery Type: Li-Ion, Li-Polymer ; Input Voltage: 10V ; Battery Charge Voltage: 4.2V ; Charge Current Max: 1.2A ; No. of Series Cells: 1 ; Battery IC Case Style: HTSSOP ; No. of Pins: 20 ; Operating Temperature Range: -20C to +70C ; MSL: -

TRS3232ECDWRG4 : Interface - Drivers, Receivers, Transceiver Integrated Circuit (ics) Line Transceiver Tape & Reel (TR) 3 V ~ 5.5 V; IC MULTICH RS232 DVR/RCVR 16SOIC Specifications: Number of Drivers/Receivers: 2/2 ; Type: Line Transceiver ; Voltage - Supply: 3 V ~ 5.5 V ; Package / Case: 16-SOIC (0.295", 7.50mm Width) ; Packaging: Tape & Reel (TR) ; Protocol: RS232 ; Lead Free Status: Lead Free ; RoHS Status: RoHS Compliant

LM2842XQMK/NOPB : DC/DC Switching Converters 600 mA up-42V Input SD DC/DC Reg Specifications: Manufacturer: Texas Instruments ; Switching Frequency: 550 kHz ; Output Current: 600 mA ; Mounting Style: SMD/SMT ; Operating Temperature Range: - 40 C to + 125 C ; Package / Case: TSOT-6 ; Packaging: Reel ; Series: LM2842-Q1 ; Factory Pack Quantity: 1000 ; Type: Step-Down Regulators

OPA2313IDGK : IC OPAMP GP 1MHZ RRO 8VSSOP Texas Instruments' OPAx316 family of single, dual, and quad operational amplifiers represents a new generation of general-purpose, low-power operational amplifiers. Featuring rail-to-rail input and output swings, low quiescent current (400 µA/ch typical) combined with a wide bandwidth

BQ25601RTWR : Battery Management I2C Controlled Single Cell 3-A Battery Charger with High Input Voltage and Power Path 24-WQFN -40 to 85 Specifications: Product: Charge Management ; Battery Type: Li-Ion, Li-Polymer ; Output Voltage: 4.624 V ; Output Current: 3 A ; Operating Supply Voltage: 3.9 V to 13.5 V ; Operating Supply Current: 3 mA ; Minimum Operating Temperature: - 40 C ; Maximum Operating Temperature: + 85 C ; Package/Case: W

LMS3655MQEVM : EVAL BOARD FOR LMS3655-Q1 Texas Instruments' LMS3655 synchronous buck regulators are optimized for high performance applications, providing an adjustable output of 1 V to 15 V. Seamless transition between PWM and PFM modes, along with a low quiescent current, ensures high efficiency and superior transient responses a

Same catergory

74ALS20A : Bipolar->ALS Family. 74ALS20A; Dual 4-Input NAND Gate. ORDER CODE COMMERCIAL RANGE VCC 5V 10%, Tamb 74ALS20AN 74ALS20AD DRAWING NUMBER SOT27-1 SOT108-1 PINS nA, nB, nC, nD nY Data inputs Data outputs 74ALS (U.L.) HIGH/LOW 1.0/1.0 20/80 LOAD VALUE HIGH/LOW 20A/0.1mA 0.4mA/8mA NOTE: One (1.0) ALS unit load is defined as: 20A in the High state and 0.1mA in the Low state. H = High voltage level L = Low voltage.

74LVC16952A : 3.3V CMOS 16-BIT Registered Transceiver With 3-STATE Outputs And 5V Tolerant I/o.

74VCX16374 : CMOS/BiCMOS->LVC/ALVC/VCX Family->Low Voltage. Low Voltage 16-Bit D-type Flip-flop With 3.6V Tolerant Inputs And Outputs.

74VHCT14A : CMOS/BiCMOS->VHC/VHCT/74V1 Family->Low Voltage. Hex Schmitt Inverter.

CD54HC374 : CMOS/BiCMOS->HC/HCT Family. High Speed CMOS Logic Octal D-type Flip-flop, Three-state Positive-edge Triggered.

CD74HCT574E : D-Type (3-State) Flip-Flops. ti CD74HCT574, High Speed CMOS Logic Octal Positive-edge-triggered D-type Flip-flops With 3-State Outputs.

HD74HCT1G04 : . Regarding the change of names mentioned in the document, such as Hitachi Electric and Hitachi XX, to Renesas Technology Corp. The semiconductor operations of Mitsubishi Electric and Hitachi were transferred to Renesas Technology Corporation on April 1st 2003. These operations include microcomputer, logic, analog and discrete devices, and memory chips.

MC10171 : Bipolar->ECL 10 Family. Dual Binary to 1-4 Decoder (low). The is a binary coded 2 line to dual 4 line decoder with selected outputs low. With either or E1 high, the corresponding selected 4 outputs are high. The common enable E, when high, forces all outputs high. 325 mW typ/pkg (No Load) tpd 4.0 ns typ tr, 2.0 ns typ (20%80%) = Assembly Location = Wafer Lot = Year = Work Week Pin assignment is for DualinLine.

MC74F151D : 8-input Multiplexer Fast Shottky TTL. The is a high-speed 8-input digital multiplexer. It provides in one package, the ability to select one line of data from up to eight sources. The F151 can be used as a universal function generator to generate any logic function of four variables. Both asserted and negated outputs are provided. The is a logic implementation of a single pole, 8-position.

PI5C6801C : Bus Oriented Circuits. 10-Bit Bus Switch W/pre-charged O/p And Undershoot Protection (PCI Hot-Plug).

QS74FCT2541T : High-speed CMOS 8-Bit Buffer/line Driver. CMOS power levels: <7.5mW static Undershoot clamp diodes on all outputs True TTL input and output compatibility Ground bounce controlled outputs Reduced output swing to 3.5V Built-in 25 series resistor outputs reduce reflection and other system noise Std., A and C speed grades with 4.1ns tPD for C IOL = 12mA Available in SOIC and QSOP packages The an 8-bit.

SN54ALS257A : Multiplexers->Bipolar->ALS Family. Quadruple 2-line to 1-line Data Selectors/multiplexers With 3-state Outputs.

SN74HC158D : Multiplexers. ti SN74HC158, Quadruple 2-Line to 1-Line Data Selectors/multiplexers.

SN74LV14AD : ti SN74LV14A, Hex Schmitt-trigger Inverters. to 5.5-V VCC Operation Max tpd 5 V Typical VOLP (Output Ground Bounce) V at VCC = 25C Typical VOHV (Output VOH Undershoot) V at VCC = 25C Support Mixed-Mode Voltage Operation on All Ports Ioff Supports Partial-Power-Down Mode Operation Latch-Up Performance Exceeds 250 mA Per JESD 17 ESD Protection Exceeds JESD 2000-V Human-Body Model 200-V Machine.

SY58038U : Ultra Precision 8:1 Mux With Internal Termination And 1:2 Lvpecl Fanout Buffer The SY58038U is a Low Jitter, Low Skew, High-speed 8:1 Multiplexer With a 1:2 Differential Fanout Buffer Optimized For Precision Telecom And Enterprise Server Distribution Applications. The SY58038U Distributes Clock Frequencies From DC to 3.5GHz, And Data Rates to 4.5Gpbs.

TC74HC30 : CMOS/BiCMOS->HC/HCT Family. 8 Input NAND Gate.

CBTL04082ABS : MULTIPLEXER, PQCC42. s: Package Type: 3.5 X 9 MM, 0.85 MM PITCH, PLASTIC, HVQFN-42 ; Number of Pins: 42.

0-C     D-L     M-R     S-Z