Diode–transistor logic (DTL) is a class of digital circuits that is the direct ancestor of transistor–transistor logic. It is called so because the logic...

"transistor"), as opposed to earlier resistor–transistor logic (RTL) and diode–transistor logic (DTL). TTL integrated circuits (ICs) were widely used in applications...

An active device (vacuum tubes in early computers, then transistors in diode–transistor logic) is additionally required to provide logical inversion (NOT)...

junction transistors (BJTs) as switching devices. RTL is the earliest class of transistorized digital logic circuit; it was succeeded by diode–transistor logic...

Complemented transistor diode logic (CTDL) High-threshold logic (HTL) Transistor–transistor logic (TTL) Metal–oxide–semiconductor (MOS) logic P-type MOS...

Additionally, just like in diode–transistor logic, transistor–transistor logic, emitter-coupled logic etc., the asymmetric input logic levels make NMOS and...

comparison). The primary way of building logic gates uses diodes or transistors acting as electronic switches. Today, most logic gates are made from MOSFETs...

sensitive transistors. Specialized diodes are used to protect from over-voltages at higher power (see Diode types above). Diode-resistor logic constructs...

using a single transistor. Multiple-emitter transistors replace the diodes of diode–transistor logic (DTL) to make transistor–transistor logic (TTL), and...

electronics a diode-OR circuit is used to derive a simple Boolean logic function. This kind of circuit was once very common in diode–transistor logic but has...