SN74LVCH245APWR

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SN74LVCH245APWR

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IC TXRX NON-INVERT 3.6V 20-TSSOP

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Attribut Wert
Series 74LVCH
Part Status Active
Logic Type Transceiver, Non-Inverting
Number of Elements 1
Number of Bits per Element 8
Output Type 3-State
Current - Output High, Low 24mA, 24mA
Voltage - Supply 1.65V ~ 3.6V
Operating Temperature -40°C ~ 125°C (TA)
Mounting Type Surface Mount
Package / Case 20-TSSOP (0.173", 4.40mm Width)
Supplier Device Package 20-TSSOP
Base Product Number 74LVCH245

Übersicht

Description

The SN74LVCH245APWR is a high-speed CMOS octal bus transceiver with 3-state outputs, manufactured by Texas Instruments. It is designed for asynchronous two-way communication between data buses, effectively isolating them while allowing data transfer. The device operates as a memory address driver, clock driver, or bus-oriented transmitter/receiver.
Key features include:
1. Voltage Range: Operates within a 2.7-V to 3.6-V VCC range, making it suitable for low-voltage applications.
2. High-Speed Operation: Supports high speeds with low power consumption, thanks to advanced CMOS technology.
3. 3-State Outputs: Allows for connection to bus lines for efficient multiplexing.
4. Direction Control: Data direction is controlled by a direction pin, enabling bidirectional data flow.
5. Drive Capability: Can drive up to 50 pF loads, providing robust performance in various applications.
Applications for the SN74LVCH245APWR include interfacing with microprocessors, managing data communications, and serving as a buffer or driver in embedded systems. Its compact TSSOP package makes it suitable for space-constrained designs.

Equivalent

The SN74LVCH245APWR is a Texas Instruments octal bus transceiver with 3-state outputs. Equivalent products include:
1. NXP's 74LVC245A - A similar octal bus transceiver with similar voltage levels and functionality.
2. ON Semiconductor’s MC74LCX245 - Offers comparable features and voltage compatibility.
3. Fairchild’s FXLV245 - Another equivalent in terms of functionality and pin compatibility.
These alternatives can typically be used as replacements with consideration for specific electrical characteristics and package compatibility.

Features

The SN74LVCH245APWR is an octal bus transceiver with 3-state outputs designed for asynchronous two-way communication between data buses. Key features include:
1. Voltage Range: Operates from 2 V to 3.6 V.
2. Bus-Hold: Integrated bus-hold eliminates external pull-up/down resistors for unused inputs.
3. Drive Capability: Provides high drive capability with output drive current up to ±24 mA.
4. 3-State Outputs: Features 3-state outputs to prevent bus contention.
5. Low Power Consumption: Consumes minimal power with low static power dissipation.
6. Propagation Delay: Fast propagation delay, typically 5.5 ns at 3.3 V.
7. Latch-Up Performance: High tolerance to latch-up, exceeding 100 mA per JESD 78, Class II.
8. ESD Protection: Enhanced ESD protection exceeding 2,000-V Human Body Model and 200-V Machine Model.
9. Package: Offered in a TSSOP package for space-saving designs.
These features make the SN74LVCH245APWR suitable for various applications requiring reliable and efficient data bus transceivers.

Pinout

The SN74LVCH245APWR is an octal bus transceiver with 3-state outputs designed for asynchronous two-way communication between data buses. It features a pin count of 20 and operates in a bi-directional manner. Each of the 8 data lines can independently be set to input or output mode.
Key functions include:
- Direction Control (DIR): Determines the direction of data flow. When DIR is high, data flows from A to B; when DIR is low, data flows from B to A.
- Output Enable (OE): When OE is low, the device is active; when OE is high, outputs are in high-impedance state, disabling the transceiver function.
- 3-State Outputs: Allows multiple transceivers to connect to a bus, avoiding bus contention.
- Voltage Translation: Can translate signals from one voltage level to another, suitable for mixed-signal applications.
The SN74LVCH245APWR is commonly used in situations requiring data buffering, level translating, and bus interfacing, making it versatile for various digital circuit applications.

Manufacturer

The SN74LVCH245APWR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of analog and embedded processing chips. These chips are essential components in various electronic devices, including consumer electronics, industrial equipment, automotive systems, and more. TI is known for its innovation and development in technology, providing solutions that help companies create more efficient and effective electronic products.

Application

The SN74LVCH245APWR is an octal bus transceiver with 3-state outputs, designed for asynchronous two-way communication between data buses. Its primary application areas include:
1. Microcontroller Interfacing: Facilitates communication between microcontrollers and peripheral devices.
2. Memory Module Interfacing: Assists in connecting memory modules to processors or controllers.
3. Signal Buffering: Buffers and isolates data lines to prevent signal degradation over long distances.
4. Data Bus Isolation: Isolates different parts of a system to prevent interference.
5. Level Shifting: Useful in mixed-voltage systems to shift levels between different parts of a circuit.
Its low-power consumption and high-speed operation make it suitable for portable and high-performance applications.

Package

The SN74LVCH245APWR is a part of the SN74LVCH245A series, which is a line of octal bus transceivers with 3-state outputs. The "PWR" suffix indicates that the package type is TSSOP (Thin Shrink Small Outline Package) with 20 pins.

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