![]() ![]() 3 The ALU uses two temporary registers to hold its input values. On the left is the 8-bit Arithmetic/Logic Unit (ALU), which performs the actual data computations. The diagram below highlights some of the major functional blocks of the chip. (Other key designers of the 8008 were Ted Hoff, Stan Mazor, and Federico Faggin.) Inside the chip The initials HF appear on the top right for Hal Feeney, who did the chip's logic design and physical layout. You can see the text "8008" on the right edge of the chip and "© Intel 1971" on the lower edge. The squares around the outside are the 18 pads that are connected to the external pins by tiny bond wires. You can barely see the wires and transistors that make up the chip. (Click the image for a higher resolution photo.) The photo above shows the tiny silicon die inside the 8008 package. Die photograph of the 8008 microprocessor ![]()
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