The SN74LS646N is a high-performance integrated circuit (IC) from Texas Instruments, a global semiconductor company that designs, manufactures, and sells analog and embedded processing chips.

• Function: Octal bus transceiver and register
• VCC Operation: 4.75V to 5.25V
• Interface: Bi-directional bus interface
• Output Enable: Two output-enable (OE) inputs
• Package: 20 pins and a DIP (Dual In-line Package)
• Flip-Flops: Edge-triggered D-type flip-flops
• Outputs: 3-state outputs
• Data Inputs: Bus hold on data inputs
• Power Consumption: Low power consumption
• Maximum Clock Frequency: 30 MHz
• Operating Temperature Range: 0 to 70 degrees Celsius
• RoHS Compliant: Yes