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Pinout of the standard Texas Instruments SN76489 chip. The packaging is a standard 16-pin DIP.. The SN76489 was originally designed to be used in the TI-99/4 computer, where it was first called the TMS9919 and later SN94624, and had a 500 kHz max clock input rate.
TMS 1000 Series MOS/LSI One-Chip Microcomputers (PDF). — (1975). TMS 1000 Series MOS/LSI One-Chip Microcomputers: Programmer's Reference Manual (PDF). — (December 1976). TMS 1000 Series Data Manual (PDF). Shirriff, Ken (November 2020). "Reverse engineering RAM storage in early Texas Instruments calculator chips". OpenCores (August 2021).
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The Timex Sinclair 1000 (or T/S 1000) was the first computer produced by Timex Sinclair, a joint venture between Timex Corporation and Sinclair Research. It was launched in July 1982, with a US sales price of US$99.95, making it the cheapest home computer at the time; it was advertised as "the first computer under $100". [ 1 ]
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Plus, finding out you might have one of these genes that causes illness may be scary. But remember that "genetic destiny is not written in stone," Zakalik says. "That means that these genes, once ...
Seeburg 1000 BMC1. The Seeburg 1000 phonograph was introduced in 1959 as model BMS1. [1] The system replaced the Seeburg Library Unit, which served the same purpose but played standard 45 rpm records. The Seeburg 1000 is enclosed in a metal cabinet 22 inches (55 cm) wide by 14 inches (35 cm) tall by 12 inches (30 cm) deep. [2]