The SN74LS138DBR is a high-performance integrated circuit (IC) device manufactured by Texas Instruments, one of the leading global semiconductor companies.

• Series: SN74LS
• Device: 3-line to 8-line decoder and demultiplexer
• Applications: High-performance memory-decoding or data-routing
• Inputs: Three binary weighted address inputs (A0, A1, A2)
• Outputs: 8 mutually exclusive active-low outputs (O0-O7)
• Enable Inputs: Three enable inputs (E1, E2, E3)
• Technology: Low Power Schottky (LS)
• Voltage Range: 4.75V to 5.25V
• Package: Small, surface-mount SOIC (Small Outline Integrated Circuit)
• Compliance: Lead-free and RoHS compliant
• Propagation Delay Time: 22ns (typical)