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Logic / Multiplexer/Demultiplexers / SN74LS257BNSR
Datasheets
SN74LS257BNSR by:
Texas Instruments
Rochester Electronics LLC
Texas Instruments
Not Found

Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs 16-SOP 0 to 70

Part Details for SN74LS257BNSR by Texas Instruments

Results Overview of SN74LS257BNSR by Texas Instruments

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SN74LS257BNSR Information

SN74LS257BNSR by Texas Instruments is a Multiplexer/Demultiplexer.
Multiplexer/Demultiplexers are under the broader part category of Logic Components.

Digital logic governs the behavior of signals in electronic circuits, enabling complex decisions based on simple binary inputs (yes/no). Logic components perform operations from these signals. Read more about Logic Components on our Logic part category page.

Available Datasheets

Part # Manufacturer Description Datasheet
SN74LS257BNSR Texas Instruments Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs 16-SO 0 to 70

Price & Stock for SN74LS257BNSR

Part # Distributor Description Stock Price Buy
DISTI # 2156-SN74LS257BNSR-ND
DigiKey IC MULTIPLEXER 4 X 2:1 16SO Min Qty: 1 Lead time: 12 Weeks Container: Bulk MARKETPLACE PRODUCT 9600
In Stock
  • 640 $0.4700
$0.4700 Buy Now
DISTI # 296-29136-1-ND
DigiKey IC MULTIPLEXER 4 X 2:1 16SO Min Qty: 1 Lead time: 12 Weeks Container: Cut Tape (CT), Digi-Reel®, Tape & Reel (TR) Temporarily Out of Stock
  • 1 $0.9700
  • 2,000 $0.5103
  • 4,000 $0.4973
  • 6,000 $0.4908
  • 10,000 $0.4836
  • 14,000 $0.4793
  • 20,000 $0.4753
$0.4753 / $0.9700 Buy Now
DISTI # 595-SN74LS257BNSR
Mouser Electronics Encoders, Decoders, Multiplexers & Demultiplexers Quad 2-to-1 Data Slc t/Mltpx W/3St Otp RoHS: Compliant 0
  • 2,000 $0.5110
  • 4,000 $0.4900
  • 8,000 $0.4690
$0.4690 / $0.5110 Order Now
DISTI # 86289998
Verical Multiplexer 1-Element Bipolar 3-ST 8-IN 16-Pin SOP T/R RoHS: Compliant Min Qty: 739 Package Multiple: 1 Date Code: 1501 Americas - 6000
  • 739 $0.5079
  • 1,000 $0.4796
$0.4796 / $0.5079 Buy Now
DISTI # 86285388
Verical Multiplexer 1-Element Bipolar 3-ST 8-IN 16-Pin SOP T/R RoHS: Compliant Min Qty: 739 Package Multiple: 1 Americas - 2000
  • 739 $0.5079
  • 1,000 $0.4796
$0.4796 / $0.5079 Buy Now
DISTI # 86291597
Verical Multiplexer 1-Element Bipolar 3-ST 8-IN 16-Pin SOP T/R RoHS: Compliant Min Qty: 739 Package Multiple: 1 Date Code: 0701 Americas - 1600
  • 739 $0.5079
  • 1,000 $0.4796
$0.4796 / $0.5079 Buy Now
Rochester Electronics SN74LS257B Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs RoHS: Compliant Status: Active Min Qty: 1 9600
  • 1 $0.4514
  • 25 $0.4424
  • 100 $0.4243
  • 500 $0.4063
  • 1,000 $0.3837
$0.3837 / $0.4514 Buy Now
Vyrian Logic ICs 7061
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Part Details for SN74LS257BNSR

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SN74LS257BNSR Part Data Attributes

Parametric Data
SN74LS257BNSR Texas Instruments
Buy Now Datasheet
Compare Parts:
SN74LS257BNSR Texas Instruments Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs 16-SOP 0 to 70
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Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer TEXAS INSTRUMENTS INC
Part Package Code SOIC
Pin Count 16
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Samacsys Manufacturer Texas Instruments
Family LS
JESD-30 Code R-PDSO-G16
JESD-609 Code e4
Length 10.2 mm
Load Capacitance (CL) 45 pF
Logic IC Type MULTIPLEXER
Max I(ol) 0.024 A
Moisture Sensitivity Level 1
Number of Bits 2
Number of Functions 4
Number of Inputs 2
Number of Outputs 1
Number of Terminals 16
Operating Temperature-Max 70 °C
Operating Temperature-Min
Output Characteristics 3-STATE
Output Polarity TRUE
Package Body Material PLASTIC/EPOXY
Package Code SOP
Package Equivalence Code SOP16,.3
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Packing Method TR
Peak Reflow Temperature (Cel) 260
Power Supply Current-Max (ICC) 10 mA
Prop. Delay@Nom-Sup 21 ns
Propagation Delay (tpd) 15 ns
Qualification Status Not Qualified
Seated Height-Max 2 mm
Supply Voltage-Max (Vsup) 5.25 V
Supply Voltage-Min (Vsup) 4.75 V
Supply Voltage-Nom (Vsup) 5 V
Surface Mount YES
Technology TTL
Temperature Grade COMMERCIAL
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form GULL WING
Terminal Pitch 1.27 mm
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 30
Width 5.3 mm

SN74LS257BNSR Related Parts

SN74LS257BNSR Frequently Asked Questions (FAQ)

  • The maximum clock frequency of the SN74LS257BNSR is typically around 30-40 MHz, but it can vary depending on the specific application and operating conditions. It's recommended to check the device's timing characteristics and perform simulations to determine the maximum clock frequency for a specific design.

  • To ensure proper operation, the SN74LS257BNSR should be powered with a stable 5V supply, and decoupling capacitors (typically 0.1uF to 1uF) should be placed as close as possible to the device's power pins. Additionally, it's recommended to use a low-ESR capacitor and to follow good PCB design practices to minimize noise and voltage drops.

  • The SN74LS257BNSR is a 5V device, and it's not recommended to operate it at 3.3V. However, if you need to interface with a 3.3V system, you can use level translators or voltage dividers to convert the signal levels. Keep in mind that this may affect the device's performance and timing characteristics.

  • The enable inputs (E1 and E2) are active-low, meaning that they must be driven low to enable the device. When the enable inputs are high, the device is in a high-impedance state, and the outputs are disabled. Make sure to drive the enable inputs with a valid logic level, and avoid floating or undefined states.

  • The propagation delay of the SN74LS257BNSR varies depending on the specific device and operating conditions. Typically, the propagation delay is around 10-20 ns, but it can be affected by factors such as temperature, voltage, and load capacitance. Check the device's datasheet and timing diagrams for more information.