TC74VHC299FTEL

Product Overview

• Category: Integrated Circuit (IC)
• Use: Shift Register
• Characteristics: High-speed operation, low power consumption
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: 8-bit universal shift register with parallel input/output capability
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.0V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Input/Output Compatibility: TTL, CMOS
• Maximum Clock Frequency: 200MHz
• Number of Bits: 8
• Output Drive Capability: ±6mA
• Propagation Delay Time: 4.3ns (typical)

Detailed Pin Configuration

The TC74VHC299FTEL has a total of 20 pins. The pin configuration is as follows:

1. Q0 (Output)
2. Q1 (Output)
3. Q2 (Output)
4. Q3 (Output)
5. Q4 (Output)
6. Q5 (Output)
7. Q6 (Output)
8. Q7 (Output)
9. GND (Ground)
10. SER (Serial Data Input)
11. RCLK (Register Clock Input)
12. SRCLK (Shift Register Clock Input)
13. OE (Output Enable Input)
14. MR (Master Reset Input)
15. QA (Parallel Data Input)
16. QB (Parallel Data Input)
17. QC (Parallel Data Input)
18. QD (Parallel Data Input)
19. VCC (Power Supply)
20. QH (Output)

Functional Features

• Parallel-to-Serial Conversion: Allows data to be loaded in parallel and shifted out serially.
• Serial-to-Parallel Conversion: Enables serial data to be loaded and stored in parallel.
• Universal Shift Register: Supports both serial and parallel data transfer modes.
• Output Enable Control: Allows the outputs to be enabled or disabled.
• Master Reset Function: Resets the shift register to its initial state.

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data transfer. - Low power consumption makes it suitable for battery-powered devices. - Versatile functionality with support for both serial and parallel data transfer modes.

Disadvantages: - Limited output drive capability may not be suitable for high-current applications. - Propagation delay time may affect timing-sensitive applications.

Working Principles

The TC74VHC299FTEL is an 8-bit universal shift register that can operate in both serial and parallel modes. It consists of a shift register, latch, and control logic. In the parallel mode, data is loaded into the shift register through the parallel inputs (QA to QD) and then latched into the output registers on the rising edge of the register clock (RCLK). In the serial mode, data is shifted in through the serial input (SER) and shifted out through the QH output. The output enable (OE) pin allows the outputs to be enabled or disabled, while the master reset (MR) pin resets the shift register to its initial state.

Detailed Application Field Plans

The TC74VHC299FTEL is commonly used in various applications, including:

1. Data Communication Systems: Used for serial-to-parallel and parallel-to-serial conversion in communication protocols.
2. Industrial Automation: Enables efficient data transfer and storage in control systems.
3. Consumer Electronics: Utilized in devices such as gaming consoles, set-top boxes, and digital cameras for data manipulation.
4. Automotive Electronics: Integrated into automotive control units for data processing and transmission.
5. Medical Equipment: Facilitates data handling in medical devices like patient monitors and diagnostic equipment.

Detailed and Complete Alternative Models

1. SN74HC299: Similar 8-bit universal shift register with parallel input/output capability, offered by Texas Instruments.
2. CD74HCT299E: High-speed CMOS logic IC with an 8-bit universal shift register, manufactured by Texas Instruments.
3. 74HC595: 8-bit serial-in, serial or parallel-out shift register with output latches, available from various manufacturers.

(Note: The above alternative models are provided for reference and may have different specifications and pin configurations. It is recommended to consult the respective datasheets for detailed information.)

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