Toshiba 74LCX138FT, Decoder, 3-of-8, Inverting, 16-Pin TSSOP

  • RS Stock No. 171-3291
  • Mfr. Part No. 74LCX138FT
  • Manufacturer Toshiba
Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
Product Details

The 74LCX138FT 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.

Wide operating temperature range: Topr = -40 to 125 
Low-voltage operation: VCC = 1.65 to 3.6 V
High-speed operation: tpd = 7.0 ns (max) (VCC = 3.3 ± 0.3 V)
Output current: |IOH|/IOL = 24 mA (min) (VCC = 3.0 V)
Power-down protection provided on all inputs and outputs
Pin and function compatible with the 74 series
(74LVC/ALVC/ etc.) 138 type

Attribute Value
Logic Family 74LCX
Logic Function Decoder
Demultiplexing Capability 3-of-8
Number of Elements per Chip 34
Number of Input Enables per Element 3
Output Type CMOS
Polarity Inverting
Mounting Type Surface Mount
Package Type TSSOP
Pin Count 16
Dimensions 5 x 4.4 x 1mm
Height 1mm
Length 5mm
Maximum Operating Supply Voltage 3.6 V
Minimum Operating Temperature -40 °C
Width 4.4mm
Maximum Operating Temperature +125 °C
Automotive Standard AEC-Q100
Minimum Operating Supply Voltage 1.65 V
Temporarily out of stock - back order for despatch 12/01/2021, delivery within 4 working days from despatch date
Price Each (On a Reel of 2500)
Was MYR0.568
MYR 0.425
Per unit
Per Reel*
2500 +
*price indicative