This part is a kind of semiconductor called 74LS06.

Function of this product has Hex Inverted Buffers with Open-Collector Outputs.

Manufacturers : System Logic Semiconductor

Image and pinout :

Some of the text within the PDF file :

SL74LS06 Hex Inverted Buffers with Open-Collector Outputs This device contains hex inverted buffers with open-collector. It performs the Boolean function Y=A in positive Logic. • High Output Voltage (30 V) • High Speed ( t PD = 8.5 ns typical) • Low Power Dissipation (PD = 18 mW per Gate) ORDERING INFORMATION SL74LS06N Plastic SL74LS06D SOIC TA = 0° to 70° C for all packages LOGIC DIAGRAM PIN ASSIGNMENT A1 1 2 Y1 A2 3 4 Y2 A3 5 6 Y3 A4 9 8 Y4 A5 11 10 Y5 FUNCTION TABLE Inputs A H Output Y L H A6 13 12 Y6 PIN 14 =VCC PIN 7 = GND L SLS System Logic Semiconductor SL74LS06 MAXIMUM RATINGS * Symbol VCC VIN VOUT Tstg * Parameter Supply Voltage Input Voltage Output Voltage Storage Temperature Range Value 7.0 5.5 30 -65 to +150 Unit V V V °C Maximum Ratings [ ... ]

74LS06 PDF Datasheet Download