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In the mid-1960s, the original 7400-series integrated circuits were introduced by Texas Instruments with the prefix "SN" to create the name SN74xx. Due to the popularity of these parts, other manufacturers released pin-to-pin compatible logic devices and kept the 7400 sequence number as an aid to identification of compatible parts.
The ThinkPad T series is a line of notebook computers manufactured by Lenovo as part of the ThinkPad family. The T series is officially the flagship ThinkPad product, offering high-performance computers aimed at businesses and professionals. [1] The ThinkPad X series was originally introduced in 2000 and was produced by IBM until 2005.
ThinkPad is a line of business-oriented laptop and tablet computers produced since 1992. The early models were designed, created and manufactured by International Business Machines (IBM) until it sold its PC business to Lenovo in 2005; since 2007, all new ThinkPad models have been branded Lenovo instead [5] and the Chinese manufacturer has continued to develop and sell ThinkPads to the present ...
The 7400 series contains hundreds of devices that provide everything from basic logic gates, flip-flops, and counters, to special purpose bus transceivers and arithmetic logic units (ALU). Specific functions are described in a list of 7400 series integrated circuits. Some TTL logic parts were made with an extended military-specification ...
HCMOS ("high-speed CMOS") is the set of specifications for electrical ratings and characteristics, forming the 74HC00 family, a part of the 7400 series of integrated circuits. [ 1 ] The 74HC00 family followed, and improved upon, the 74C00 series (which provided an alternative CMOS logic family to the 4000 series but retained the part number ...
The Windows Dev Center - Hardware pages explain upper and lower filter drivers in detail. [2] For example, the generic USB camera (UVC) driver usbvideo.sys is a function driver, while the bus driver handles USB data from the host controller devices. A lower level filter modifies the behavior of the camera hardware (e.g. watching for interrupt ...
Rather, this article shows how the 7400 series has developed over five decades. As such, in my opinion the list should try to show the 7400 series in its entirety and should specifically include obsolete chips that have long since disappeared from common data books. Very roughly, the numerical order of chips also represents a chronological order.
The Windows Hardware Certification program (formerly Windows Hardware Quality Labs Testing, WHQL Testing, or Windows Logo Testing) is Microsoft's testing process which involves running a series of tests on third-party device drivers, and then submitting the log files from these tests to Microsoft for review.