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SN74HCT257

ACTIVE

Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs

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Data sheet

SN74HCT257

ACTIVE
Data sheet Order now

Product details

Technology family HCT Function Digital Multiplexer Configuration 2:1 Number of channels 4 Operating temperature range (°C) -40 to 85 Rating Catalog
Technology family HCT Function Digital Multiplexer Configuration 2:1 Number of channels 4 Operating temperature range (°C) -40 to 85 Rating Catalog
SOIC (D) 16 59.4 mm² (9.9 mm × 6 mm) PDIP (N) 16 181.42 mm² (19.3 mm × 9.4 mm)
  • Operating voltage range of 4.5 V to 5.5 V
  • High-current3-state outputs interface directly with system bus
  • Typical t pd = 17 ns
  • Low power consumption, 80-µA max I CC
  • ±6-mA output drive at 5 V
  • Low input current of 1 µA max
  • Inputs are TTL-voltage compatible
  • Provide bus interface from multiple sources in high-performance systems
  • Buffered inputs and outputs
  • Operating voltage range of 4.5 V to 5.5 V
  • High-current3-state outputs interface directly with system bus
  • Typical t pd = 17 ns
  • Low power consumption, 80-µA max I CC
  • ±6-mA output drive at 5 V
  • Low input current of 1 µA max
  • Inputs are TTL-voltage compatible
  • Provide bus interface from multiple sources in high-performance systems
  • Buffered inputs and outputs
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CD74ACT257 ACTIVE Quad 2-Input Non-Inverting Multiplexers with 3-State Outputs Voltage range 4.5V to 5.5V, average propagation delay 8ns, average drive strength 24mA

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* Data sheet SN54HCT257, SN74HCT257 Quad 2-Line to 1-Line Data Selectors/Multiplexers datasheet (Rev. E) Jun 14, 2023

Design & development

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Evaluation board

14-24-LOGIC-EVM — Logic product generic evaluation module for 14-pin to 24-pin D, DB, DGV, DW, DYY, NS and PW packages

The 14-24-LOGIC-EVM evaluation module (EVM) is designed to support any logic device that is in a 14-pin to 24-pin D, DW, DB, NS, PW, DYY or DGV package,

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SOIC (D) 16 Ultra Librarian
PDIP (N) 16 Ultra Librarian
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