SN74HC373ANSR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Octal Transparent D-Type Latches with 3-State Outputs
• Characteristics: High-speed, low-power consumption, compatible with TTL inputs
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: The SN74HC373ANSR is an octal transparent latch that can store and output data. It is commonly used in digital systems for temporary storage of data or as a buffer between different parts of a circuit.
• Packaging/Quantity: The SN74HC373ANSR is typically sold in reels containing 2500 units.

Specifications

• Supply Voltage: 2V to 6V
• Input Voltage: 0V to Vcc
• Output Voltage: 0V to Vcc
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 10 ns (max)
• Output Current: ±6 mA

Pin Configuration

The SN74HC373ANSR has a total of 20 pins. The pin configuration is as follows:

1. GND (Ground)
2. D0 (Data Input 0)
3. D1 (Data Input 1)
4. D2 (Data Input 2)
5. D3 (Data Input 3)
6. D4 (Data Input 4)
7. D5 (Data Input 5)
8. D6 (Data Input 6)
9. D7 (Data Input 7)
10. OE (Output Enable)
11. LE (Latch Enable)
12. Q0 (Output 0)
13. Q1 (Output 1)
14. Q2 (Output 2)
15. Q3 (Output 3)
16. Q4 (Output 4)
17. Q5 (Output 5)
18. Q6 (Output 6)
19. Q7 (Output 7)
20. Vcc (Supply Voltage)

Functional Features

• Octal transparent latch with 3-state outputs
• High-speed operation, suitable for time-critical applications
• Low-power consumption, ideal for battery-powered devices
• Compatible with TTL inputs, allowing easy integration into existing systems
• Output enable and latch enable pins provide control over data storage and output

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer - Low-power consumption extends battery life in portable devices - Compatibility with TTL inputs simplifies integration into existing systems - 3-state outputs provide flexibility in connecting multiple devices

Disadvantages: - Limited number of outputs may restrict the complexity of the circuit - Propagation delay may introduce timing issues in certain applications - Requires careful handling to prevent damage due to static electricity

Working Principles

The SN74HC373ANSR operates as an octal transparent latch. When the latch enable (LE) input is high, the data inputs (D0-D7) are transferred to the corresponding outputs (Q0-Q7). The output enable (OE) input controls whether the outputs are active or in a high-impedance state.

When LE is low, the outputs retain their previous state, regardless of the data inputs. This allows for temporary storage of data until the latch is enabled again.

Detailed Application Field Plans

The SN74HC373ANSR can be used in various digital systems where temporary storage of data is required. Some common application fields include:

1. Microcontrollers: The latch can be used to store intermediate results or buffer data between different parts of the microcontroller.
2. Memory Systems: It can be utilized as a buffer between the memory and the processor, ensuring smooth data transfer.
3. Communication Systems: The latch can be used to synchronize data transmission between different components of a communication system.
4. Industrial Control Systems: It can be employed in control systems to store and update status information.

Detailed and Complete Alternative Models

1. SN74HC373N: DIP (Dual In-line Package) version of the SN74HC373ANSR.
2. CD74HC373E: Equivalent octal transparent latch from Texas Instruments.
3. 74HCT373: Octal transparent latch with similar functionality from NXP Semiconductors.

These alternative models offer similar features and can be used as replacements for the SN74HC373ANSR depending on specific requirements.

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