7400-series integrated circuits
Series of transistor–transistor logic integrated circuits
7400-series integrated circuits
The 7400 series is a popular logic family of transistor–transistor logic (TTL) integrated circuits (ICs). In 1964, Texas Instruments introduced the SN5400 series of logic chips, in a ceramic semiconductor package. A low-cost plastic package SN7400 series was introduced in 1966 which quickly gained over 50% of the logic chip market, and eventually becoming de facto standardized electronic components. Since the introduction of the original bipolar-transistor TTL parts, pin-compatible parts were introduced with such features as low-power CMOS technology and lower supply voltages. Surface mount packages exist for several popular logic family functions.
Read on Wikipedia · Image Audrius Meskauskas, CC BY-SA 3.0
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