SN74BCT373DBR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Latch/Flip-Flop
• Characteristics: High-speed, TTL-compatible, 8-bit transparent latch
• Package: SSOP-20
• Essence: The SN74BCT373DBR is a high-performance latch/flip-flop IC that can store and transfer 8 bits of data. It is widely used in digital systems for temporary storage and data transfer operations.
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

The SN74BCT373DBR has the following 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
• Maximum Clock Frequency: 80MHz
• Propagation Delay Time: 7ns (max)
• Output Drive Capability: ±24mA

Detailed Pin Configuration

The SN74BCT373DBR has a total of 20 pins. The pin configuration is as follows:

1. D0 (Data Input 0)
2. D1 (Data Input 1)
3. D2 (Data Input 2)
4. D3 (Data Input 3)
5. D4 (Data Input 4)
6. D5 (Data Input 5)
7. D6 (Data Input 6)
8. D7 (Data Input 7)
9. GND (Ground)
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

The SN74BCT373DBR offers the following functional features:

• Transparent latch operation
• High-speed data transfer
• TTL-compatible inputs and outputs
• Output enable control for easy interfacing with other devices
• Low power consumption
• Schmitt-trigger inputs for noise immunity

Advantages and Disadvantages

Advantages of using the SN74BCT373DBR include:

• High-speed operation allows for efficient data transfer.
• Compatibility with TTL logic levels simplifies integration into existing systems.
• Transparent latch operation enables real-time data storage and transfer.

Disadvantages of the SN74BCT373DBR include:

• Limited output drive capability may restrict its use in applications requiring higher current sourcing/sinking.
• The SSOP-20 package may not be suitable for all PCB layouts or assembly processes.

Working Principles

The SN74BCT373DBR operates as a transparent latch, which means that the input data is directly transferred to the outputs when the latch enable (LE) signal is active. When the latch enable signal is inactive, the outputs hold their previous state. The output enable (OE) signal can be used to disable the outputs when necessary.

Detailed Application Field Plans

The SN74BCT373DBR finds applications in various digital systems where temporary storage and data transfer are required. Some specific application fields include:

1. Microprocessors and microcontrollers: Used for register file implementations and data bus buffering.
2. Communication systems: Used for data buffering and synchronization.
3. Industrial automation: Used for storing and transferring control signals.
4. Test and measurement equipment: Used for temporary data storage during testing operations.
5. Consumer electronics: Used in devices that require data buffering, such as gaming consoles and set-top boxes.

Detailed and Complete Alternative Models

Some alternative models to the SN74BCT373DBR include:

1. 74HC373: Similar latch/flip-flop IC with CMOS logic levels.
2. CD4013: Dual D-type flip-flop IC with complementary outputs.
3. SN74LS373: Octal transparent latch IC with TTL logic levels.

These alternative models offer similar functionality but may have different specifications and pin configurations. It is important to refer to their respective datasheets for detailed information.

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