The 74HC138D is a 3-to-8 line decoder/demultiplexer integrated circuit from Nexperia. Key Specifications: 1. Type: 3-to-8 line decoder/demultiplexer 2. Logic Family: HC (High-Speed CMOS) 3. Supply Voltage (Vdd): 2V to 6V 4. Operating Temperature: -40°C to 125°C 5. Package: SO16 (SOT109), 16-pin Features: 1. 3-bit address input 2. 8-bit output enable (active low) 3. High-speed operation: tpd = 10ns (typ) at 5V 4. Low power consumption: ICC = 1μA (typ) at 5V 5. High noise immunity: VNH = 2.4V (typ) at 5V 6. Compatible with TTL and CMOS logic 7. Symmetrical output impedance Applications: 1. Digital decoding and demultiplexing 2. Memory addressing and selection 3. Industrial control systems 4. Automotive electronics 5. Medical devices 6. Consumer electronics Electrical Characteristics: 1. Propagation Delay (tpd): 10ns (typ) at 5V 2. Power Dissipation (Pd): 1μW (typ) at 5V 3. Input Current (Iin): 1μA (typ) at 5V 4. Output Current (Iout): 4mA (min) at 5V Standards Compliance: 1. IEC 60950-1 (Safety Requirements) 2. UL 94V-0 (Flammability Rating) 3. RoHS compliant Dimensions: 1. Length: 10.2mm (0.402in) 2. Width: 7.5mm (0.295in) 3. Height: 2.45mm (0.096in) 4. Pitch: 1.27mm (0.05in) Datasheet: For detailed specifications, please refer to the Nexperia 74HC138D datasheet. Ordering Information: To order or replace this IC, ensure you have the following information: 1. Part number (74HC138D) 2. Quantity required You can purchase Nexperia ICs from authorized distributors, such as: - Diode House Equivalent Parts: Some equivalent parts from other manufacturers are: - Texas Instruments SN74HC138D - ON Semiconductor MC74HC138D - STMicroelectronics 74HC138D Pin Configuration: | Pin | Function | | --- | --- | | 1 | 1E1 | | 2 | 1E2 | | 3 | 1A0 | | 4 | 1A1 | | 5 | 1A2 | | 6 | 1Y0 | | 7 | 1Y1 | | 8 | 1Y2 | | 9 | 1Y3 | | 10 | 1Y4 | | 11 | 1Y5 | | 12 | 1Y6 | | 13 | 1Y7 | | 14 | GND | | 15 | Vdd | | 16 | NC | Would you like more information or have specific questions about this decoder/demultiplexer?