SN74CBT3257DBQR

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SN74CBT3257DBQR

IC MUX/DEMUX 4 X 2:1 16-SSOP

100% gốc & amp; Mới

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Bảo hành 365 ngày

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Thông số kỹ thuật

Series 74CBT
Part Status Obsolete
Base Product Number 74CBT3257
Type Multiplexer/Demultiplexer
Circuit 4 x 2:1
Independent Circuits 1
Voltage Supply Source Single Supply
Voltage - Supply 4.5V ~ 5.5V
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package / Case 16-SSOP (0.154", 3.90mm Width)
Supplier Device Package 16-SSOP

Tổng quan

Description

The SN74CBT3257DBQR is a quad 2-channel multiplexer/demultiplexer with a low ON resistance, designed for high-speed signal switching. It features a wide supply voltage range of 2.3V to 5.5V, making it suitable for various applications in digital systems. The device has four independent 2-channel multiplexer/demultiplexers, allowing for flexible data routing and switching between multiple signal paths.
The SN74CBT3257 is known for its fast switching speeds and low power consumption, making it ideal for battery-operated devices. It is available in a 16-pin TSSOP package, which provides a compact solution for space-constrained designs. The input signals are compatible with TTL and CMOS logic levels, and it features high noise immunity.
Key features include low power dissipation, high-speed operation, and the ability to handle multiple logic levels. This device is commonly used in applications such as signal routing, data acquisition, and multiplexing in communication and computing systems.

Features

The SN74CBT3257DBQR is a high-speed CMOS 8-channel analog switch designed for low-voltage applications. Key features include:
1. High-Speed Performance: Supports fast switching speeds, suitable for high-frequency signals.
2. Low On-Resistance: Ensures minimal signal distortion and power loss, typically around 5Ω at Vcc = 4.5V.
3. Wide Voltage Range: Operates with a supply voltage of 2.3V to 5.5V, making it versatile for various applications.
4. Low Power Consumption: Designed for low static and dynamic power consumption, enhancing energy efficiency.
5. Bidirectional Channels: Supports bidirectional signal flow, allowing flexibility in circuit design.
6. TTL/CMOS Compatible Inputs: Ensures compatibility with standard logic levels.
7. High Noise Immunity: Features a high degree of noise immunity, improving reliability in noisy environments.
8. Compact Package: Offered in a TSSOP (DBQ) package, facilitating space-saving designs.
These features make the SN74CBT3257DBQR suitable for applications such as signal routing, data multiplexing, and general-purpose switching in various electronic devices.

Package

The SN74CBT3257DBQR is packaged in a TSSOP-16 (Thin Shrink Small Outline Package) form factor.

Pinout

The SN74CBT3257DBQR is a 16-pin, dual 4-channel bus switch. Each switch is activated by the corresponding control input, allowing for the connection or disconnection of the data paths.
Pin count: 16 pins.
Functions of key pins:
- A1 to A4, B1 to B4: Data input/output pins for two separate 4-channel switches.
- SEL1, SEL2: Control pins used to enable or disable the corresponding bus switches.
- GND: Ground connection.
- VCC: Power supply pin.
The device is designed for high-speed switching and low ON resistance, making it suitable for applications such as signal routing and data line switching.

Manufacturer

The manufacturer of the SN74CBT3257DBQR is Texas Instruments (TI). Texas Instruments is a global technology company headquartered in Dallas, Texas, specializing in the design and production of semiconductors and various integrated circuits. Founded in 1930, TI is known for its innovations in analog and embedded processing technologies. The company serves a wide range of industries, including automotive, industrial, personal electronics, communications, and computing. TI’s products include microcontrollers, processors, sensors, and various signal processing devices, making it a key player in the semiconductor industry.

Application

The SN74CBT3257DBQR is a quad 2-channel analog switch used in various applications, including signal routing, data switching, and multiplexing. It is commonly utilized in telecommunications, audio and video equipment, and data acquisition systems. Its low on-resistance and fast switching capability make it ideal for controlling analog signals in consumer electronics, automotive systems, and industrial automation.

Equivalent

The SN74CBT3257DBQR is a quad, dual supply, low ON-resistance, bidirectional analog switch. Equivalent products include:
1. SN74CBT3257 (same family, different package)
2. 74CBT3257 (similar functionality)
3. 74HC3257 (higher speed, CMOS)
4. 74LVC2G3257 (low voltage, dual supply)
Always verify specific application requirements and voltage levels when considering substitutes.

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