MC10H188P

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MC10H188P is a dual 4-input NOR gate with one active-LOW enable input. It is a member of on-chip logic family from Motorola MC10, MC100B, and MECL 10K Series. This series of logic functions offer low static and dynamic power dissipation, reduced device power supply requirements, and reduced delay times for high-speed applications. MC10H188P operates at variable switching frequencies up to 50 MHz, allowing for a wide range of applications.

Application Field

MC10H188P is primarily used in the applications requiring NOR logic. It is ideally suited for logic where high speed operation and high noise immunity are important. MC10H188P is commonly used in XL semiconductor testing, telecommunications and networking systems, computer processors, and automotive electronics. In addition, MC10H188P is well suited for applications such as fan control, memory address decoders and buffers, peripheral control, and clock gating.

Working Principle

The MC10H188P consists of two 4-input NOR gates with one active-LOW enable input. It is constructed using CMOS technology and is characterized by low static and dynamic power dissipation, reduced device power supply requirements, and reduced delay times. Each NOR gate within the MC10H188P includes the capability to operate in three different modes: Transmission Gate Mode, Resistive Pull Up Mode, and Open Drain Mode.

• Transmission Gate Mode: In this mode, the NOR gate is implemented using a transmission gate structure, allowing for fast switching times. The transmission gate mode is useful for applications requiring rapid changes in state.
• Resistive Pull Up Mode: In this mode, resistive pull-up transistors are used in order to reduce power consumption. This mode is useful for applications where power savings is critical.
• Open Drain Mode: In this mode, the output pins are held in an open-drain configuration. This mode enables the MC10H188P to be used as an interface to I/O devices such as CPUs.

In addition to these three modes, the MC10H188P also includes a low power active-LOW enable input. This enable input allows the user to disable the device when it is not in use, resulting in power savings. Lastly, the MC10H188P also includes a low power standby mode, which reduces power consumption when the device is not in use.

Overall, the MC10H188P is a versatile logic device which can be used in a wide range of applications. Its wide variety of operating modes and low power consumption make it an ideal choice for many logic applications.

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