CY74FCT399ATQCTG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic
• Characteristics: High-speed, low-power, 8-bit universal shift/storage register
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Shift register with parallel load and asynchronous reset functionality
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Input Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Output Drive Capability: ±24mA at 3.3V
• Maximum Clock Frequency: 200MHz

Detailed Pin Configuration

1. SER (Serial Data Input)
2. QA (Parallel Output A)
3. QB (Parallel Output B)
4. QC (Parallel Output C)
5. QD (Parallel Output D)
6. GND (Ground)
7. MR (Master Reset)
8. CLK (Clock Input)
9. OE (Output Enable)
10. PL (Parallel Load)

Functional Features

• Universal Shift/Storage Register: Can be used as a shift register or a storage register.
• Parallel Load Functionality: Allows loading of data in parallel.
• Asynchronous Reset: Provides a master reset function for clearing the register.
• Output Enable: Enables/disables the outputs.
• High-Speed Operation: Supports clock frequencies up to 200MHz.
• Low Power Consumption: Operates at low power levels.

Advantages

• Versatile Functionality: Can be used in various digital logic applications.
• High-Speed Operation: Suitable for high-performance systems.
• Low Power Consumption: Helps conserve energy in battery-powered devices.
• Compact Package: TSSOP package offers space-saving advantages.

Disadvantages

• Limited Output Drive Capability: ±24mA may not be sufficient for certain applications.
• Temperature Constraints: Operating temperature range is limited to -40°C to +85°C.

Working Principles

The CY74FCT399ATQCTG4 is an 8-bit universal shift/storage register. It can operate in two modes: shift mode and storage mode. In shift mode, the data is shifted through the register sequentially with each clock pulse. In storage mode, the data is latched and held in the register until a new value is loaded.

The parallel load functionality allows the user to load data into the register in parallel by asserting the PL (Parallel Load) input. The MR (Master Reset) input asynchronously resets the register, clearing all stored data.

The CLK (Clock Input) controls the shifting of data, while the OE (Output Enable) input enables or disables the outputs. The serial data input (SER) receives the data to be shifted or stored.

Detailed Application Field Plans

The CY74FCT399ATQCTG4 can be used in various digital logic applications, including:

1. Serial-to-Parallel Conversion: Converting serial data streams into parallel data formats.
2. Data Storage: Storing data temporarily for further processing.
3. Shift Register Applications: Implementing delay lines, counters, and frequency dividers.
4. Control Systems: Sequential control and state machine implementations.
5. Communication Systems: Serial data transmission and reception.

Detailed and Complete Alternative Models

1. SN74HC595: 8-bit shift register with output latches.
2. CD4015B: Dual 4-stage static shift register.
3. 74HC164: 8-bit serial-in/parallel-out shift register.
4. CD4021B: 8-bit static shift register with complementary outputs.
5. 74LS194: 4-bit bidirectional universal shift register.

(Note: The above list is not exhaustive and serves as a reference for alternative models.)

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