SN74F373N

Product Overview

• Category: Integrated Circuit (IC)
• Use: Octal Transparent D-Type Latches with 3-State Outputs
• Characteristics:
  • High-speed operation
  • Wide operating voltage range
  • 3-state outputs for bus-oriented applications
  • TTL-compatible inputs
• Package: DIP-20 (Dual In-Line Package with 20 pins)
• Essence: The SN74F373N is a latch IC that can store and output data in an 8-bit format. It is commonly used in digital systems where temporary storage of data is required.

Packaging/Quantity

The SN74F373N is typically packaged in tubes or trays. Each tube contains 25 ICs, while each tray holds 100 ICs.

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: 80 MHz
• Maximum Propagation Delay: 10 ns

Detailed Pin Configuration

The SN74F373N has a total of 20 pins arranged as follows:

1. OE (Output Enable) - Active low output enable input
2. CP (Clock Pulse) - Clock input for latch operation
3. D0 (Data Input 0) - Data input for bit 0
4. D1 (Data Input 1) - Data input for bit 1
5. D2 (Data Input 2) - Data input for bit 2
6. D3 (Data Input 3) - Data input for bit 3
7. D4 (Data Input 4) - Data input for bit 4
8. D5 (Data Input 5) - Data input for bit 5
9. D6 (Data Input 6) - Data input for bit 6
10. D7 (Data Input 7) - Data input for bit 7
11. GND (Ground) - Ground reference
12. Q0 (Output 0) - Output for bit 0
13. Q1 (Output 1) - Output for bit 1
14. Q2 (Output 2) - Output for bit 2
15. Q3 (Output 3) - Output for bit 3
16. Q4 (Output 4) - Output for bit 4
17. Q5 (Output 5) - Output for bit 5
18. Q6 (Output 6) - Output for bit 6
19. Q7 (Output 7) - Output for bit 7
20. VCC (Supply Voltage) - Positive supply voltage

Functional Features

The SN74F373N is designed to latch and store data in an 8-bit format. It features a clock input (CP) that controls the latching operation. When the clock signal transitions from low to high, the data inputs (D0-D7) are captured and stored in the corresponding output registers (Q0-Q7). The outputs can be enabled or disabled using the output enable input (OE).

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data processing.
• Wide operating voltage range provides flexibility in various applications.
• 3-state outputs enable bus-oriented designs.
• TTL-compatible inputs ensure compatibility with other digital systems.

Disadvantages

• Limited number of output pins restricts the number of simultaneous outputs.
• DIP package may not be suitable for space-constrained applications.
• Not suitable for applications requiring non-volatile storage.

Working Principles

The SN74F373N operates based on the principle of latching. When the clock input (CP) transitions from low to high, the data inputs (D0-D7) are captured and stored in the output registers (Q0-Q7). The stored data remains unchanged until the next clock transition occurs. The output enable input (OE) controls whether the outputs are active or in a high-impedance state.

Detailed Application Field Plans

The SN74F373N is widely used in various digital systems that require temporary storage of data. Some common application fields include:

1. Microprocessors and microcontrollers
2. Data communication systems
3. Memory modules
4. Industrial automation
5. Automotive electronics

Detailed and Complete Alternative Models

1. 74HC373: Octal D-Type Latch with 3-State Outputs
2. CD74ACT373: Octal Transparent Latch with 3-State Outputs
3. SN54F373: Octal Transparent Latches with 3-State Outputs

These alternative models offer similar functionality to the SN74F373N and can be used