The “Sonja” T-shirt depicts the storage controller (STC) of the Monet Senior Series [IBM S/390-CMOS4S-Technology]. This minute excerpt of the routing design of the chip gives some idea of the immense complexity of ultra-high performance microprocessors. “Sonja” has a cycle time of 12 nanoseconds and comprises 31,198 circuits, 135,224 pins, 33,737 nets, 736,189 segments, 362,261 vias and has a total wiring length of 43.88 metres. The yellow squares symbolize the so-called vias, the connections between adjacent wiring planes.
This T-shirt is available in the three sizes S, M, L.