SN74AHCT373PWR

Overview

Category: Integrated Circuit (IC)

Use: The SN74AHCT373PWR is an octal transparent latch with 3-state outputs. It is commonly used in digital systems for temporary storage of data and control signals.

Characteristics: - Octal transparent latch - 3-state outputs - High-speed operation - Low power consumption - Wide operating voltage range - Schmitt-trigger inputs for noise immunity

Package: TSSOP (Thin Shrink Small Outline Package)

Essence: The SN74AHCT373PWR is a crucial component in digital systems that require temporary storage of data and control signals. It provides a reliable and efficient solution for latching and storing information.

Packaging/Quantity: The SN74AHCT373PWR is typically sold in reels or tubes, containing a specific quantity of ICs per package. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 80MHz
• Output Drive Capability: ±24mA

Pin Configuration

The SN74AHCT373PWR has a total of 20 pins, which are assigned specific functions as follows:

1. D0: Data input 0
2. D1: Data input 1
3. D2: Data input 2
4. D3: Data input 3
5. D4: Data input 4
6. D5: Data input 5
7. D6: Data input 6
8. D7: Data input 7
9. GND: Ground
10. OE: Output enable
11. CP: Clock pulse
12. LE: Latch enable
13. Q0: Output 0
14. Q1: Output 1
15. Q2: Output 2
16. Q3: Output 3
17. Q4: Output 4
18. Q5: Output 5
19. Q6: Output 6
20. Q7: Output 7

Functional Features

• Octal transparent latch with 3-state outputs
• Data inputs (D0-D7) are latched to the outputs (Q0-Q7) when the latch enable (LE) signal is high
• The latch can be transparent when the latch enable (LE) signal is low, allowing the data inputs to pass through to the outputs
• The output enable (OE) signal controls the tri-state outputs, enabling or disabling their operation
• Schmitt-trigger inputs provide improved noise immunity and allow for reliable operation in noisy environments
• High-speed operation allows for efficient data transfer and processing

Advantages and Disadvantages

Advantages: - High-speed operation enables fast data transfer - Low power consumption for energy-efficient designs - Wide operating voltage range provides flexibility in various applications - Schmitt-trigger inputs enhance noise immunity, ensuring reliable operation - Compact TSSOP package allows for space-saving integration

Disadvantages: - Limited output drive capability may restrict use in certain applications requiring higher current handling - Not suitable for high-voltage applications due to the specified supply voltage range

Working Principles

The SN74AHCT373PWR operates as an octal transparent latch with 3-state outputs. When the latch enable (LE) signal is high, the data inputs (D0-D7) are latched to the outputs (Q0-Q7). The latch can be transparent when the latch enable (LE) signal is low, allowing the data inputs to pass through to the outputs. The output enable (OE) signal controls the tri-state outputs, enabling or disabling their operation.

The Schmitt-trigger inputs provide improved noise immunity by ensuring that the input signals are properly interpreted even in the presence of noise. This allows for reliable operation in noisy environments.

Detailed Application Field Plans

The SN74AHCT373PWR finds applications in various digital systems where temporary storage of data and control signals is required. Some common application fields include:

1. Microcontrollers: Used for storing and latching control signals from peripheral devices.
2. Data Communication Systems: Used for buffering and latching data during transmission.
3. Memory Modules: Used for temporary storage of address and control signals in memory systems.
4. Industrial Automation: Used for storing and latching control signals in automated systems.
5. Test and Measurement Equipment: Used for capturing and holding test signals for analysis.

Detailed and Complete Alternative Models

1. SN74AHCT373NSR: Similar octal transparent latch with 3