Produktdetails

Technology family FCT Number of channels 1 Operating temperature range (°C) -55 to 125 Rating Military Supply current (max) (µA) 200
Technology family FCT Number of channels 1 Operating temperature range (°C) -55 to 125 Rating Military Supply current (max) (µA) 200
CDIP (J) 16 135.3552 mm² (— mm × — mm) LCCC (FK) 20 79.0321 mm² (— mm × — mm)
  • Function, Pinout, and Drive Compatible With FCT and F Logic
  • Reduced VOH (Typically = 3.3 V) Versions of Equivalent FCT Functions
  • Edge-Rate Control Circuitry for Significantly Improved Noise Characteristics
  • Ioff Supports Partial-Power-Down Mode Operation
  • Matched Rise and Fall Times
  • Fully Compatible With TTL Input and Output Logic Levels
  • Dual 1-of-8 Decoder With Enables
  • ESD Protection Exceeds JESD 22
    • 2000-V Human-Body Model (A114-A)
    • 200-V Machine Model (A115-A)
    • 1000-V Charged-Device Model (C101)
  • CY54FCT138T
    • 32-mA Output Sink Current
    • 12-mA Output Source Current
  • CY74FCT138T
    • 64-mA Output Sink Current
    • 32-mA Output Source Current

  • Function, Pinout, and Drive Compatible With FCT and F Logic
  • Reduced VOH (Typically = 3.3 V) Versions of Equivalent FCT Functions
  • Edge-Rate Control Circuitry for Significantly Improved Noise Characteristics
  • Ioff Supports Partial-Power-Down Mode Operation
  • Matched Rise and Fall Times
  • Fully Compatible With TTL Input and Output Logic Levels
  • Dual 1-of-8 Decoder With Enables
  • ESD Protection Exceeds JESD 22
    • 2000-V Human-Body Model (A114-A)
    • 200-V Machine Model (A115-A)
    • 1000-V Charged-Device Model (C101)
  • CY54FCT138T
    • 32-mA Output Sink Current
    • 12-mA Output Source Current
  • CY74FCT138T
    • 64-mA Output Sink Current
    • 32-mA Output Source Current

The \x92FCT138T devices are 1-of-8 decoders. These devices accept three binary weighted inputs (A0, A1, A2) and, when enabled, provide eight mutually exclusive active-low outputs (O\0\x96O\7). The \x92FCT138T devices feature three enable inputs: two active low (E\1, E\2) and one active high (E3 ).

All outputs are high unless E\1 and E\2 are low and E3 is high. This multiple-enable function allows easy parallel expansion of the device to a 1-of-32 (five lines to 32 lines) decoder with just four \x92FCT138T devices and one inverter.

These devices are fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down.

The \x92FCT138T devices are 1-of-8 decoders. These devices accept three binary weighted inputs (A0, A1, A2) and, when enabled, provide eight mutually exclusive active-low outputs (O\0\x96O\7). The \x92FCT138T devices feature three enable inputs: two active low (E\1, E\2) and one active high (E3 ).

All outputs are high unless E\1 and E\2 are low and E3 is high. This multiple-enable function allows easy parallel expansion of the device to a 1-of-32 (five lines to 32 lines) decoder with just four \x92FCT138T devices and one inverter.

These devices are fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down.

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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt 1-of-8 Decoders datasheet (Rev. B) 15.10.2001
* Benutzerhandbuch CYFCT Parameter Measurement Information 02.04.2001
* SMD CY54FCT138T SMD 5962-92233 21.06.2016

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Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
CDIP (J) 16 Ultra Librarian
LCCC (FK) 20 Ultra Librarian

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