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TC74LCX138FK Datasheet Low-voltage 3-to-8 Line Decoder

Manufacturer: Toshiba

Overview: TC74LCX138F/FK TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic TC74LCX138F, TC74LCX138FK Low-Voltage 3-to-8 Line Decoder with 5-V Tolerant Inputs and Outputs The TC74LCX138 is a high-performance CMOS 3-to-8 decoder. Designed for use in 3.3-V systems, it achieves high-speed operation while maintaining the CMOS low-power dissipation. The device is designed for low-voltage (3.3 V) VCC applications, but it could be used to interface to 5-V supply environment for inputs. When the device is enabled, 3 binary select inputs (A, B and C) determine which one of the outputs ( Y0 - Y7 ) will go low. When enable input G1 is held low or either G2A or G2B is held high, decoding function is inhibited and all outputs go high. G1, G2A , and G2B inputs are provided to ease cascade connection and for use as an address decoder for memory systems. All inputs are equipped with protection circuits against static discharge.

This datasheet includes multiple variants, all published together in a single manufacturer document.

Key Features

  • Low-voltage operation: VCC = 1.65 to 3.6 V.
  • High-speed operation: tpd = 6.0 ns (max) (VCC = 3.0 to 3.6 V).
  • Ouput current: |IOH|/IOL = 24 mA (min) (VCC = 3.0 V).
  • Latch-up performance: ＞±500 mA.
  • Available in JEITA SOP, VSSOP (US).
  • Power-down protection provided on all inputs and outputs.
  • Pin and function compatible with the 74 series (74AC/VHC/HC/F/ALS/LS etc. ) 138 type TC74LCX138F TC74LCX138FK Weight SOP16-P-300-1.27A VSSOP16-P-003.

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