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SN74LVC244AZQNR
+Lista de MateriaisIC BUFFER NON-INVERT 3.6V 20-BGA
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FabricanteTexas Instruments
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Peça do Fabricante #SN74LVC244AZQNR
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Especificações
| Atributo | Valor |
| Series | 74LVC |
| Part Status | Obsolete |
| Base Product Number | 74LVC244 |
| Logic Type | Buffer, Non-Inverting |
| Number of Elements | 2 |
| Number of Bits per Element | 4 |
| Output Type | 3-State |
| Current - Output High, Low | 24mA, 24mA |
| Voltage - Supply | 1.65V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 20-VFBGA |
| Supplier Device Package | 20-BGA MICROSTAR JUNIOR (4x3) |
| Packaging | Tape & Reel (TR) |
Visão Geral
Description
The inputs of the SN74LVC244AZQNR are compatible with standard TTL and CMOS logic levels, and the device supports both active-high and active-low logic. Its wide operating temperature range (-40°C to +125°C) ensures reliable performance in demanding environments. The package comes in a 20-pin TSSOP format, facilitating easy integration into space-constrained designs. With its robust design and versatility, the SN74LVC244AZQNR is commonly used in memory applications, bus buffering, and as a level shifter.
Equivalent
1. SN74HCT244N
2. SN74LS244N
3. 74LVC244A
4. 74HC244
These chips share similar functionalities but may differ in voltage levels, speed, and power consumption. Always check specifications for compatibility with your application.
Features
1. High-Speed Operation: Supports data rates up to 250 Mbps, making it suitable for high-performance applications.
2. Wide Voltage Range: Operates with supply voltages from 1.65V to 5.5V, allowing compatibility with various logic levels.
3. Low Power Consumption: Consumes minimal power, ideal for battery-operated devices.
4. High Drive Capability: Outputs can drive 15mA, enabling connection to multiple loads.
5. Wide Temperature Range: Operates in temperatures from -40°C to 125°C, suitable for industrial applications.
6. 3-State Outputs: Each output can be enabled or disabled, providing flexibility in bus systems.
7. Improved Noise Margin: High noise immunity enhances reliability in signal integrity.
8. Compact Package: Available in a 20-pin TSSOP for space-constrained designs.
These features make the SN74LVC244AZQNR a versatile choice for various digital logic applications.
Pinout
- Pins 1-8 (A1-A8): These are the inputs for the data that is to be buffered.
- Pins 19-12 (Y1-Y8): These are the corresponding outputs of the buffered data.
- Pin 9 (GND): Ground connection.
- Pin 10 (VCC): Supply voltage (typically 3.3V or 5V).
- Pin 11 (OE): Output enable control. When low, the outputs are enabled; when high, the outputs are in a high-impedance state.
- Pin 20 (DIR): Direction control for operation in certain configurations (specific to A/B applications).
The device is commonly used in digital circuits for signal buffering and driving applications.
Manufacturer
Application
1. Bus Driving: It can drive high-capacitance loads and improve signal integrity on data buses.
2. Level Shifting: Converts signals between different voltage levels in mixed-voltage systems.
3. Signal Conditioning: Enhances signal quality in applications like communication, data processing, and memory interfacing.
4. Fan-out Expansion: Distributes signals to multiple destinations without degradation.
5. Isolation: Provides isolation between different parts of a circuit to prevent interference.
It is ideal for use in high-speed applications where low power consumption and high noise immunity are critical.