Texas Instruments TIB 0203, Magnetic Bubble Memory BoardCondition:* New, Old Stock. Additional Notes:* The basic bubble-memory package contains the bubble-memory chip, magnetic field coils, and permanent magnets* A rotating magnetic field created by two mutually perpendicular coils causes the data in the form of magnetic bubbles to move serially through the magnetic field in a manner similar to data in a semiconductor shift register* Contains: TIB0203: 92,304-bit Magnetic-Bubble Memory SN74LS361: Bubble-Memory Function Timing Generator SN75281: Bubble-Memory Sense Amplifier SN75380: Bubble-Memory Function Driver SN75382: Bubble-Memory Coil Driver TSP102: Positive-Temperature-Coefficient Silicon Thermistor VSB53: Schottky Diode Bridge (Varo Semiconductor Inc.)Texas InstrumentsTIB0203