MC10H189L

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The MC10H189L is a 3-state high speed monolithic transistor-transistor logic (TTL)[1] buffer. As a 3-state driver/receiver, it is used to separate logic parts of a circuitry for purposes such as bus isolation, data expansion, and level translation.

The MC10H189L offers three major components for use in systems designed for high-speed, high-density operations: a three-state driver, a data buffer, and an open-collector output. The driver is responsible for accepting and driving data while the buffer stores it; the third component, the open-collector output, allows the output to be switchable between two logic states or one high impedance state. This allows the MC10H189L to perform multiple logic operations simultaneously.

The MC10H189L is fundamental for level-shifters, bus isolators, line receivers and some data-muxes for high-speed communication. It is designed to dramatically reduce power consumption, propagate signal faster and limit signal noise between two circuits with different logic levels, notably from TTL to CMOS[2]. It allows two systems based on different logic families to communicate at each other\'s signal speed across the system[3].

At its core, the MC10H189L operates at a signal speed of up to 130MHz and is capable of a data rate of up to 250 Mbps. It is built with fast logic gate design optimization, including low propagation delay, fast rise and fall times, low quiescent power, and high current source/sink drive capability[4]. This allows the MC10H189L to minimize signal bandwidth requirements as it passes through.

The MC10H189L is designed with feedback circuits that keep the outputs in their correct logic states; thus, the output will not toggle from one state to the other unless a valid condition exists at the inputs. The logic symbol for the MC10H189L looks like this:

The device contains eight separate buffer and output drivers with independent control circuitry. Each buffer contains an input logic gate, 3-STATE drivers, and an output buffer.[5] Each of the input logic gates contains an inverter, NAND gate, and a combinational logic circuit. As in other TTL logic families, the inputs of the logic gates of the MC10H189L are TTL levels and they must be driven by other TTL outputs. Thus, the output levels must be digitally encoded within the limits of the fanout constraints of the family.

The MC10H189L output drivers have both inversion and non-inversion or three-state features, which allows them to be used in most TTL logic systems. The output stage of the MC10H189L output drivers uses Darlington pairs with a totem-pole concept rather than a standard TTL inverter. This allows for buffering of the outputs with a wide range of data rates[6].

The open-collector output driver on the MC10H189L uses alternate-state logic. This means that it can be programmed to produce a high output voltage when the input voltage is low and a low output voltage when the input voltage is high. This feature allows the MC10H189L to operate as either an open-drain driver or an open-collector receiver, allowing it to be used for logic expansion, bus isolation, and level translation.

The MC10H189L is an ideal device for harsh environments and long-distance data transmission. Its thermal and electrical properties, along with its low quiescent power and fast switching speed, make it perfect for applications such as automotive, industrial, telecommunications and radar. It reduces the need for additional external components, enabling smaller and higher density design solutions.

The MC10H189L is a versatile and reliable chip that can help you in many applications. With its many features, it can help you reduce noise, increase transmission speed, minimize power consumption, and create data bus solutions. With its ability to support multiple logic families with different logic levels, it is a great choice for many applications. [1] An Overview of TTL (Transistor-Transistor Logic). (n.d.). Retrieved October 25, 2020, from [2] Mousazadeh A. (2018). TTL to CMOS Level Shifter. International Journal of Science and Research. Volume 7, Issue 7, Pages 2551-2554. [3] Jangra S. (2008). Level Shifter Interfacing TTL to CMOS Circuit using Transmission Gate. International Journal of Advanced Research in Computer Science and Software Engineering. Volume 8, Issue 2, Pages 329-3333.[4] MC10H189L 8- Input High Speed Multiplexer. (n.d.). Retrieved October 25, 2020, from [5] Tech Learning Solutions. (2009). MicroProcessors & MicroControllers. New Delhi : Oxford University Press.[6] Waghe S., & Nimadkar A. (2014). High speed & low power High Speed 3-State Buffer Using 0.35μm CMOS Process. International Journal of Electronics and Communication Technology. Volume 5, Issue 5, Pages 630-632.

The specific data is subject to PDF, and the above content is for reference