TC74VHCT373AFTEL

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic Device
• Characteristics: High-Speed, Octal Transparent Latch with 3-State Outputs
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: The TC74VHCT373AFTEL is a latch IC that can store and output digital data. It has eight transparent latches with 3-state outputs.
• Packaging/Quantity: The TC74VHCT373AFTEL is typically sold in reels of 2,500 units.

Specifications

• Supply Voltage: 4.5V to 5.5V
• Input Voltage: 0V to VCC
• Output Voltage: 0V to VCC
• Operating Temperature: -40°C to +85°C
• Propagation Delay Time: 6 ns (max)
• Output Current: ±8 mA (max)

Pin Configuration

The TC74VHCT373AFTEL 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
• High-speed operation
• Low power consumption
• Schmitt trigger inputs for noise immunity
• Output enable and latch enable control signals

Advantages and Disadvantages

Advantages: - High-speed operation allows for quick data storage and retrieval. - 3-state outputs provide flexibility in connecting multiple devices. - Schmitt trigger inputs ensure reliable operation in noisy environments. - Low power consumption helps conserve energy.

Disadvantages: - Limited output current may restrict certain applications. - Operating temperature range may not be suitable for extreme environments.

Working Principles

The TC74VHCT373AFTEL operates as an octal transparent latch. When the latch enable (LE) signal is high, the input data is transferred to the outputs. The output enable (OE) signal controls whether the outputs are active or in a high-impedance state. This IC utilizes Schmitt trigger inputs to improve noise immunity and ensure reliable operation.

Detailed Application Field Plans

The TC74VHCT373AFTEL can be used in various digital systems that require data storage and retrieval. Some potential application fields include:

1. Microcontrollers and microprocessors
2. Data communication systems
3. Memory modules
4. Industrial automation
5. Automotive electronics

Detailed and Complete Alternative Models

1. SN74LV373A: Octal D-Type Transparent Latch with 3-State Outputs
2. CD74HC373: High-Speed CMOS Logic Octal Transparent Latch with 3-State Outputs
3. MC74VHC373: Octal D-Type Latch with 3-State Outputs

These alternative models offer similar functionality and can be considered as substitutes for the TC74VHCT373AFTEL.

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