SN74AHC373NG4

Product Overview

• Category: Integrated Circuit
• Use: Data Storage and Transfer
• Characteristics: High-Speed, Octal Transparent D-Type Latch with 3-State Outputs
• Package: 20-pin PDIP (Plastic Dual In-Line Package)
• Essence: A latch that can store and transfer data with high speed and has 3-state outputs.
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage Range: 2 V to 5.5 V
• High-Level Input Voltage: 0.7 x VCC to VCC + 0.5 V
• Low-Level Input Voltage: -0.5 V to 0.3 x VCC
• High-Level Output Current: -8 mA
• Low-Level Output Current: 8 mA
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The SN74AHC373NG4 has a total of 20 pins. The pin configuration is as follows:

1. OE (Output Enable) - Active Low Output Enable
2. CP (Clock Pulse) - Clock Input
3. D0 (Data Input 0) - Data Input Bit 0
4. D1 (Data Input 1) - Data Input Bit 1
5. D2 (Data Input 2) - Data Input Bit 2
6. D3 (Data Input 3) - Data Input Bit 3
7. D4 (Data Input 4) - Data Input Bit 4
8. D5 (Data Input 5) - Data Input Bit 5
9. GND (Ground) - Ground Reference
10. Q0 (Output 0) - Output Bit 0
11. Q1 (Output 1) - Output Bit 1
12. Q2 (Output 2) - Output Bit 2
13. Q3 (Output 3) - Output Bit 3
14. Q4 (Output 4) - Output Bit 4
15. Q5 (Output 5) - Output Bit 5
16. VCC (Supply Voltage) - Positive Supply Voltage
17. D6 (Data Input 6) - Data Input Bit 6
18. D7 (Data Input 7) - Data Input Bit 7
19. LE (Latch Enable) - Active High Latch Enable
20. GND (Ground) - Ground Reference

Functional Features

• Octal transparent D-type latch with 3-state outputs
• Provides storage and transfer of data
• Supports high-speed operation
• Allows individual latch control for each bit
• 3-state outputs enable bus sharing between multiple devices

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer - Individual latch control provides flexibility in data storage and retrieval - 3-state outputs enable bus sharing, reducing the number of required pins

Disadvantages: - Limited to 8-bit data storage and transfer - Requires external clock signal for operation

Working Principles

The SN74AHC373NG4 is an octal transparent D-type latch that can store and transfer data. It operates based on the clock input (CP) and latch enable (LE) signals. When the latch enable signal is high, the data inputs (D0-D7) are transferred to the corresponding output bits (Q0-Q7). The latch holds the data until the latch enable signal goes low.

The 3-state outputs allow the outputs to be disconnected from the bus when not in use, enabling multiple devices to share the same bus.

Detailed Application Field Plans

The SN74AHC373NG4 is commonly used in various applications, including:

1. Microprocessor Systems: Used for data storage and transfer between the microprocessor and other peripherals.
2. Memory Modules: Enables efficient data transfer between memory modules and other components.
3. Communication Systems: Facilitates data transmission and reception in communication systems.
4. Industrial Control Systems: Provides reliable data storage and transfer in industrial control applications.
5. Automotive Electronics: Used for data handling in automotive electronic systems.

Detailed and Complete Alternative Models

1. SN74AHC373-Q1: Automotive-grade version of SN74AHC373NG4 with enhanced temperature range (-40°C to 125°C).
2. SN74AHC373D: SOIC (Small Outline Integrated Circuit) package alternative with 20 pins.
3. SN74AHC373NSR: Surface mount version with 20-pin SOP (Small Outline Package).

These alternative models offer similar functionality and can be used as replacements for SN74AHC373NG4 in various applications.

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