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SN74ACT240PWR
+Lista de MateriaisIC BUFFER INVERT 5.5V 20TSSOP
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FabricanteTexas Instruments
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Peça do Fabricante #SN74ACT240PWR
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Ficha Técnica SN74ACT240PWR DataSheet
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Pacote TSSOP-20
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Especificações
| Atributo | Valor |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | 74ACT |
| ProductStatus | Active |
| LogicType | Buffer, Inverting |
| NumberofElements | 2 |
| NumberofBitsperElement | 4 |
| OutputType | 3-State |
| Current-OutputHighLow | 24mA, 24mA |
| Voltage-Supply | 4.5V ~ 5.5V |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 20-TSSOP (0.173, 4.40mm Width) |
Visão Geral
Description
Key features include eight independent buffers, specifically organized into two groups with separate enable lines, allowing for flexible control of data flow. The 3-state outputs can be set to high, low, or high-impedance states, which makes it suitable for bus-oriented systems where multiple devices may share the same data lines.
The SN74ACT240PWR operates within a voltage range of 4.5V to 5.5V and supports a wide range of applications, including memory address driving and data distribution. It comes in a TSSOP (Thin Shrink Small Outline Package) with 20 pins, designed for high-density mounting. Its robustness and versatility make it a popular choice in digital systems requiring reliable data buffering.
Equivalent
1. 74HC240
2. 74HCT240
3. 74ALS240
4. 74F240
5. 74LS240
These alternatives may have differences in speed, power consumption, or voltage levels, so it's essential to verify compatibility with your specific application requirements.
Features
1. High-Speed Performance: Operates over a wide power supply range while maintaining high speed.
2. 3-State Outputs: Provides a high-impedance state for the outputs to facilitate bus interfacing or multiplexed applications.
3. Input and Output Characteristics: Compatible with both TTL and CMOS levels, ensuring versatility in a mixed-signal environment.
4. Current Drive Capability: Offers improved drive compared to standard buffers, supporting up to 24 mA at 5V.
5. Power Supply Range: Typically operates at 4.5V to 5.5V.
6. Enable/Disable Function: Each bank of four buffers can be individually controlled, enabling selective driving of outputs.
7. Low Power Consumption: Designed for minimal power usage, which is critical in battery-powered applications.
8. Temperature Range: Operates over an extended temperature range, making it suitable for industrial applications.
These features make the SN74ACT240PWR ideal for applications requiring robust signal buffering and driving capabilities.
Pinout
This device is part of the 74ACT series and comes in a 20-pin package. The pin configuration is as follows:
- Pins 1 & 19: Output Enable (1OE\ and 2OE\)
- Pins 2-9: Data Inputs/Outputs for the first group (1A1 to 1A4 and 1Y1 to 1Y4)
- Pin 10: Ground (GND)
- Pins 11-18: Data Inputs/Outputs for the second group (2A1 to 2A4 and 2Y1 to 2Y4)
- Pin 20: Supply Voltage (VCC)
The device features two groups of four buffers/drivers with separate output enable pins for each group. When output enable is low, the buffer/driver is enabled, allowing data to pass through. When output enable is high, the outputs are in the high-impedance state.
This configuration makes the SN74ACT240PWR useful for bus interface applications, where multiple devices may need to share the same bus lines without conflict.
Manufacturer
Application
1. Signal Isolation: Acts as an interface between different logic levels or subsystems, providing signal buffering and isolation.
2. Bus Driving: Drives data on system buses, ideal for applications requiring high-speed data transmission.
3. Memory Addressing: Used in memory systems for address decoding and data management.
4. Peripheral Interfacing: Connects microcontrollers or processors to various peripherals, ensuring signal integrity.
5. Data Multiplexing: Facilitates data routing in complex circuit designs.
Its robust design and high-speed CMOS technology make it suitable for various electronics and communication systems.