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SN74LVT244BDW

Name: SN74LVT244BDW
Rating: 4.7 (12 reviews)

IC BUFF NON-INVERT 3.6V 20-SOIC

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資料表 SN74LVT244BDW DataSheet
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規格

Series	74LVT
Part Status	Active
Logic Type	Buffer, Non-Inverting
Number of Elements	2
Number of Bits per Element	4
Output Type	3-State
Current - Output High, Low	32mA, 64mA
Voltage - Supply	2.7V ~ 3.6V
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount
Package / Case	20-SOIC (0.295", 7.50mm Width)
Supplier Device Package	20-SOIC
Base Product Number	74LVT244

概述

Description

The SN74LVT244BDW is an octal buffer/driver with 3-state outputs, designed for low-voltage applications. It belongs to Texas Instruments' LVT (Low-Voltage TTL) logic family, which operates with a supply voltage range from 1.65V to 3.6V. This device is suitable for interfacing between different voltage levels, making it ideal for mixed-voltage environments.
The SN74LVT244 features two input control pins (OE1 and OE2) to enable or disable the outputs, allowing for tri-state operation. It supports high-speed data transmission with propagation delays as low as 5 ns at a 3.3V supply. The device is designed with low power consumption and high noise immunity, ensuring reliable performance in various applications like data buffering, signal isolation, and as part of bus systems.
Its package type, DWW (TSSOP), offers a compact form factor for space-constrained designs. Overall, the SN74LVT244BDW is a versatile component for digital circuits requiring signal buffering and level shifting.

Features

The SN74LVT244BDW is an octal buffer/driver designed for low-voltage applications. Key features include:
1. Voltage Range: Operates with a supply voltage from 1.65V to 5.5V.
2. High Speed: Offers fast propagation delays, ensuring efficient signal processing.
3. Low Power Consumption: Designed for minimal power usage, making it suitable for battery-powered devices.
4. Output Drive: Capable of driving up to 24 mA, providing strong output signals.
5. Tri-State Outputs: Features tri-state outputs, allowing for multiple devices to share the same bus without interference.
6. Input Compatibility: Compatible with TTL and CMOS logic levels, facilitating integration with various circuits.
7. Wide Temperature Range: Operates effectively across a temperature range from -40°C to +85°C.
8. Reliability: Enhanced ESD protection ensures durability in harsh conditions.
Overall, the SN74LVT244BDW is ideal for applications requiring high-speed buffering and driving capabilities in a compact package.

Package

The SN74LVT244BDW is packaged in a 20-pin TSSOP (Thin Shrink Small Outline Package) form factor.

Pinout

The SN74LVT244BDW is an octal buffer/driver with a 3-state output. It features a total of 20 pins. The device operates with a supply voltage range of 1.2V to 5.5V and is designed for low-voltage applications.
The pin configuration includes:
- 1-8 (A1-A8): Inputs for data signals.
- 9 (GND): Ground pin.
- 10 (OE): Output Enable pin; when low, the outputs are enabled, and when high, the outputs are in a high-impedance state.
- 11-18 (Y1-Y8): Corresponding 3-state outputs for the input signals A1-A8.
- 19 (VCC): Positive supply voltage pin.
- 20 (NC): No connect; should be left unconnected.
The SN74LVT244BDW is suitable for driving high capacitive loads and is used in various digital applications for signal buffering and driving.

Manufacturer

The SN74LVT244BDW is manufactured by Texas Instruments (TI), a prominent semiconductor company based in the United States. Founded in 1930, Texas Instruments specializes in designing and producing a wide range of analog and digital chips, as well as embedded processors. The company is a leader in the development of technologies for various applications, including automotive, industrial, communications, and consumer electronics. TI is well-known for its innovation in the semiconductor field and provides solutions that enable advanced electronic designs.

Application

The SN74LVT244BDW is a hex buffer/driver primarily used in digital circuits for signal buffering and level shifting. Its application areas include data communication in communication systems, bus interfacing in microcontrollers and processors, driving LEDs and displays, and enhancing signal integrity in high-speed designs. It’s also utilized in automotive electronics and industrial automation for robust data transmission.

Equivalent

Equivalent products to the SN74LVT244BDW include the SN74LVC244A, SN74LS244, and MC74LC244. These chips serve similar functions as octal buffers/line drivers with varying voltage levels and logic families. When selecting an equivalent, consider characteristics like voltage supply, propagation delay, and output drive capability to ensure compatibility with your application. Always consult the datasheets for specific parameters.