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The Gigatron TTL is a retro-style 8-bit computer, where the CPU is implemented by a set of TTL chips instead of a single microprocessor, imitating the hardware present in early arcades. Its target is the computing enthusiasts, for studying or hobby purposes. [2] Assembled Gigatron kit computer in display case.
List of free analog and digital electronic circuit simulators, available for Windows, macOS, Linux, and comparing against UC Berkeley SPICE.The following table is split into two groups based on whether it has a graphical visual interface or not.
A six-bit character code is a character encoding designed for use on computers with word lengths a multiple of 6. Six bits can only encode 64 distinct characters, so these codes generally include only the upper-case letters, the numerals, some punctuation characters, and sometimes control characters.
A TTL input signal is defined as "low" when between 0 V and 0.8 V with respect to the ground terminal, and "high" when between 2 V and V CC (5 V), [22] [23] and if a voltage signal ranging between 0.8 V and 2.0 V is sent into the input of a TTL gate, there is no certain response from the gate and therefore it is considered "uncertain" (precise ...
Some TTL logic parts were made with an extended military-specification temperature range. These parts are prefixed with 54 instead of 74 in the part number. [1]A short-lived 64 prefix on Texas Instruments parts indicated an industrial temperature range; this prefix had been dropped from the TI literature by 1973.
Where is the Super Bowl 2027? SoFi Stadium in Los Angeles will host Super Bowl 61. This will also be the second time for the stadium, having been the location for Super Bowl 56 in 2022.
The 6/23 did not support the Megabus. The 6/33 was the new entry-level upgradable model. The other four models supported up to 1 MW (Mega Words) of memory and 26 registers. A memory management unit (MMU), optional on the 6/43 and 6/47, and standard on the 6/53 and 6/57, supported memory segmentation and four protection rings.
This worked in conjunction with the PACE to produce a complete set of bus signals at TTL voltages that could then be used to easily interface with most contemporary devices like SRAM. [ 4 ] In order to fit 16-bit addresses and data onto a 40-pin DIP, the same set of 16 pins was multiplexed between presenting an address and reading and writing ...