CD74HC573E

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
  • Output capability: 6 mA at VCC = 4.5 V
  • TTL compatibility: VIH = 2 V, VIL = 0.8 V
• Package: 20-pin plastic dual in-line package (DIP)
• Essence: The CD74HC573E is a high-speed octal transparent latch with 3-state outputs, designed for use in various digital applications.
• Packaging/Quantity: Available in tubes or reels, quantity depends on the supplier.

Specifications

• Supply Voltage Range: 2 V to 6 V
• Input Voltage Range: 0 V to VCC
• Operating Temperature Range: -40°C to +85°C
• Output Current: 6 mA
• Propagation Delay Time: 13 ns (typical)
• Input Capacitance: 3 pF (typical)
• Output Capacitance: 10 pF (typical)

Detailed Pin Configuration

The CD74HC573E has a total of 20 pins, which are assigned specific functions 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
• Latch enable (LE) and output enable (OE) control inputs
• High-speed operation for efficient data transfer
• Wide operating voltage range allows compatibility with various systems
• 3-state outputs facilitate bus-oriented applications

Advantages and Disadvantages

Advantages: - High-speed operation enables quick data transfer - Wide operating voltage range provides flexibility in system integration - 3-state outputs allow for efficient bus-oriented applications

Disadvantages: - Limited output current capability (6 mA) - Input and output capacitance may affect performance in high-frequency applications

Working Principles

The CD74HC573E is an octal transparent latch that stores data when the latch enable (LE) input is high. The stored data appears at the outputs when the output enable (OE) input is low. The latch operates on a positive-edge triggered clock, allowing synchronized data transfer.

Detailed Application Field Plans

The CD74HC573E can be used in various digital applications, including but not limited to: - Data storage and retrieval systems - Address decoding circuits - Bus interface units - Register banks - Memory modules

Detailed and Complete Alternative Models

Some alternative models to the CD74HC573E include: - SN74HC573N by Texas Instruments - MC74HC573AN by ON Semiconductor - 74HC573D by NXP Semiconductors - CD54HC573F3A by Harris Corporation

These alternative models offer similar functionality and can be used as substitutes depending on availability and specific requirements.

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