SN74AHCT373NSR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Octal Transparent D-Type Latches with 3-State Outputs
• Characteristics:
  • High-speed operation
  • Low power consumption
  • 3-state outputs for bus-oriented applications
  • Wide operating voltage range
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: The SN74AHCT373NSR is a latch IC that can store and output data in an octal format. It is commonly used in digital systems where multiple bits of data need to be stored and retrieved simultaneously.
• Packaging/Quantity: The SN74AHCT373NSR is typically sold in reels containing 2500 units.

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
• Output Drive Capability: ±24mA at 5V
• Propagation Delay Time: 6ns (max) at 5V, 25°C

Detailed Pin Configuration

The SN74AHCT373NSR 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
• Data inputs are latched when the latch enable (LE) signal is high
• Outputs can be enabled or disabled using the output enable (OE) signal
• High-speed operation allows for efficient data transfer
• Low power consumption makes it suitable for battery-powered devices
• 3-state outputs facilitate bus-oriented applications

Advantages and Disadvantages

Advantages: - High-speed operation enables quick data processing - Low power consumption prolongs battery life in portable devices - 3-state outputs provide flexibility in bus-oriented systems - Wide operating voltage range allows compatibility with various power sources

Disadvantages: - Limited number of latch outputs (8 in this case) - Not suitable for applications requiring a large number of latches

Working Principles

The SN74AHCT373NSR operates based on the principle of transparent latching. When the latch enable (LE) signal is high, the data inputs (D0-D7) are latched and stored internally. The stored data can then be accessed through the corresponding output pins (Q0-Q7). The output enable (OE) signal can be used to enable or disable the outputs.

Detailed Application Field Plans

The SN74AHCT373NSR finds application in various digital systems where multiple bits of data need to be stored and retrieved simultaneously. Some common application fields include:

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

Detailed and Complete Alternative Models

1. SN74AHCT373DWR: Similar to SN74AHCT373NSR, but available in a different package (SOIC-20 Wide)
2. CD74HCT373E: Octal transparent latch with 3-state outputs from Texas Instruments
3. MC74HCT373AN: Octal D-type latch with 3-state outputs from ON Semiconductor

These alternative models offer similar functionality and can be used as substitutes for the SN74AHCT373NSR in various applications.

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