SN74HC373APWR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Octal Transparent D-Type Latches with 3-State Outputs
• Characteristics:
  • High-speed CMOS technology
  • Eight latches in a single package
  • 3-state outputs for bus-oriented applications
  • Low power consumption
  • Wide operating voltage range
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: The SN74HC373APWR is a versatile IC that provides eight transparent D-type latches with 3-state outputs, making it suitable for various applications requiring latch functionality.
• Packaging/Quantity: Tape and reel packaging, 2500 units per reel

Specifications

• Supply Voltage Range: 2V to 6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 13 ns (typical)
• Output Current: ±6 mA
• Input Capacitance: 3.5 pF
• Output Capacitance: 8 pF

Detailed Pin Configuration

The SN74HC373APWR has a total of 20 pins, which are assigned 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. 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 D-type latches with 3-state outputs
• Latch enable (LE) input controls the storage of data
• Output enable (OE) input enables/disables the outputs
• Clock pulse (CP) input triggers the latch operation
• High-speed operation suitable for bus-oriented applications
• Low power consumption and wide operating voltage range

Advantages and Disadvantages

Advantages: - Versatile IC suitable for various applications - High-speed CMOS technology ensures fast operation - 3-state outputs allow easy bus sharing - Low power consumption minimizes energy usage - Wide operating voltage range provides flexibility

Disadvantages: - Limited output current capacity - Input and output capacitance may affect signal integrity in high-frequency applications

Working Principles

The SN74HC373APWR operates as follows: 1. When the latch enable (LE) input is low, the data inputs (D0-D7) are stored in the latches. 2. The clock pulse (CP) input triggers the latch operation, transferring the stored data to the outputs (Q0-Q7). 3. The output enable (OE) input enables or disables the outputs. When OE is high, the outputs are in a high-impedance state.

Detailed Application Field Plans

The SN74HC373APWR can be used in various applications, including: - Data storage and transfer systems - Address decoding circuits - Bus-oriented systems requiring multiple latch functionality - Microcontroller interfacing - Memory modules - Industrial automation

Detailed and Complete Alternative Models

Some alternative models to the SN74HC373APWR include: - SN74HC573APWR: Octal Transparent D-Type Latches with 3-State Outputs, similar to SN74HC373APWR but with inverted outputs. - CD74HC373M96: High-Speed CMOS Logic - Octal Transparent Latch, compatible with SN74HC373APWR in terms of functionality and pin configuration.

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