SN74ALS573CNSRE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Octal D-Type Transparent Latch
• Characteristics: High-speed, low-power consumption
• Package: 20-pin plastic small-outline package (SOIC)
• Essence: The SN74ALS573CNSRE4 is a latch that can store and output eight bits of data. It is commonly used in digital systems for temporary storage and data transfer.
• Packaging/Quantity: Available in reels of 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
• Propagation Delay Time: 9ns (typical)
• Output Drive Capability: ±24mA

Detailed Pin Configuration

The SN74ALS573CNSRE4 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. LE (Latch Enable)
11. OE (Output 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 D-Type Transparent Latch: The SN74ALS573CNSRE4 can store and output eight bits of data using transparent latch functionality.
• High-Speed Operation: With a propagation delay time of only 9ns, this IC is suitable for high-speed digital systems.
• Low Power Consumption: The SN74ALS573CNSRE4 operates within a low supply voltage range and consumes minimal power.
• Latch Enable and Output Enable: The LE and OE pins allow control over the latching and output functionalities, respectively.

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data transfer in digital systems. - Low power consumption helps reduce overall energy usage. - Octal configuration provides ample storage capacity.

Disadvantages: - Limited output drive capability may restrict use in certain applications requiring higher current levels. - Only supports positive logic inputs.

Working Principles

The SN74ALS573CNSRE4 operates based on the principles of transparent latch functionality. When the latch enable (LE) input is high, the data inputs (D0-D7) are transferred to the outputs (Q0-Q7). The output enable (OE) pin controls whether the outputs are active or in a high-impedance state. This IC operates on positive logic, where a high voltage level represents logic 1 and a low voltage level represents logic 0.

Detailed Application Field Plans

The SN74ALS573CNSRE4 is commonly used in various digital systems, including but not limited to:

1. Microprocessors and microcontrollers
2. Data storage systems
3. Communication equipment
4. Industrial automation systems
5. Automotive electronics

Detailed and Complete Alternative Models

1. SN74ALS574CNSRE4: Similar to SN74ALS573CNSRE4, but with inverted outputs.
2. SN74ALS574DWR: 20-pin SOIC package with wider temperature range (-55°C to +125°C).
3. SN74ALS573CDW: 20-pin SOIC package with lower propagation delay time (6ns typical).

These alternative models offer similar functionality and can be used as replacements for the SN74ALS573CNSRE4 in various applications.

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