CD74HC151MT

Product Overview

• Category: Integrated Circuit
• Use: Data Selector/Multiplexer
• Characteristics: High-speed, CMOS logic, 8-input multiplexer
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Efficient data selection and multiplexing
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2V to 6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 9 ns (typical)
• Input Capacitance: 3.5 pF (typical)
• Output Current: ±25 mA

Detailed Pin Configuration

The CD74HC151MT has a total of 16 pins, which are assigned as follows:

1. A0: Input A0
2. A1: Input A1
3. A2: Input A2
4. A3: Input A3
5. A4: Input A4
6. A5: Input A5
7. A6: Input A6
8. A7: Input A7
9. GND: Ground
10. Y: Output Y
11. S0: Select Input S0
12. S1: Select Input S1
13. S2: Select Input S2
14. OE: Output Enable
15. VCC: Supply Voltage
16. NC: No Connection

Functional Features

• High-speed operation allows for efficient data selection and multiplexing.
• CMOS logic ensures low power consumption and compatibility with various systems.
• 8-input multiplexer enables the selection of one out of eight input lines.
• Output enable pin allows for the tri-state output, facilitating bus-oriented applications.

Advantages and Disadvantages

Advantages: - High-speed operation enables quick data selection and multiplexing. - CMOS logic ensures low power consumption. - Compact TSSOP package saves board space. - Tri-state output facilitates bus-oriented applications.

Disadvantages: - Limited to 8-input multiplexing, may not be suitable for applications requiring more inputs. - Requires careful handling due to its small size and delicate pins.

Working Principles

The CD74HC151MT is a data selector/multiplexer that operates by selecting one of the eight input lines based on the select inputs (S0, S1, S2). The selected input is then routed to the output pin (Y) when the output enable (OE) is active. The device operates using CMOS logic, ensuring high-speed operation and low power consumption.

Detailed Application Field Plans

The CD74HC151MT finds applications in various fields, including:

1. Digital Multiplexing: It can be used to select and route digital signals from multiple sources to a single destination, such as in communication systems or audio/video equipment.
2. Data Routing: The device can be employed in data routing applications, where different data sources need to be selectively routed to specific destinations.
3. Address Decoding: It can be utilized in address decoding circuits to select specific memory locations or peripheral devices based on the address inputs.
4. Bus Switching: The CD74HC151MT can facilitate bus switching in microprocessor-based systems, allowing multiple devices to share a common bus.

Detailed and Complete Alternative Models

1. CD74HC151E: DIP (Dual In-line Package) version of the CD74HC151MT.
2. SN74HC151: Similar functionality but with a different package (SOIC - Small Outline Integrated Circuit).
3. MC74HC151: Alternative manufacturer's version with similar specifications and pin configuration.

Note: The above alternative models are provided for reference purposes. It is recommended to consult the respective datasheets for detailed information and compatibility with specific applications.

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