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SN74AC374DWR
IC FF D-TYPE SNGL 8BIT 20SOIC
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- 資料表 SN74AC374DWR DataSheet
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規格
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | 74AC |
| ProductStatus | Active |
| Function | Standard |
| Type | D-Type |
| OutputType | Tri-State, Non-Inverted |
| NumberofElements | 1 |
| NumberofBitsperElement | 8 |
| ClockFrequency | 155 MHz |
| MaxPropagationDelay@VMaxCL | 8ns @ 5V, 50pF |
| TriggerType | Positive Edge |
| Current-OutputHighLow | 24mA, 24mA |
| Voltage-Supply | 2V ~ 6V |
| Current-Quiescent(Iq) | 4 µA |
| InputCapacitance | 4.5 pF |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| SupplierDevicePackage | 20-SOIC |
概述
Description
The SN74AC374DWR is a high-speed, octal D-type flip-flop from Texas Instruments, designed for use in digital circuits. It features eight D-type flip-flops with individual data inputs (D) and outputs (Q). The device operates with a supply voltage range of 2V to 5.5V, making it suitable for both 5V and lower voltage applications.
The flip-flops are edge-triggered, meaning they capture the input data on the rising edge of the clock (CLK) signal. It also includes an asynchronous active-low clear (CLR) that can reset all outputs to low. The SN74AC374DWR is particularly useful for data storage, synchronization, and temporary data holding in various applications, including microcontroller interfacing and state machines.
In terms of package, it comes in a 20-pin TSSOP (Thin Shrink Small Outline Package), which allows for efficient PCB layout and reduced space requirements. Overall, the SN74AC374DWR is a versatile component for designers needing reliable and fast data handling capabilities in electronic systems.
The flip-flops are edge-triggered, meaning they capture the input data on the rising edge of the clock (CLK) signal. It also includes an asynchronous active-low clear (CLR) that can reset all outputs to low. The SN74AC374DWR is particularly useful for data storage, synchronization, and temporary data holding in various applications, including microcontroller interfacing and state machines.
In terms of package, it comes in a 20-pin TSSOP (Thin Shrink Small Outline Package), which allows for efficient PCB layout and reduced space requirements. Overall, the SN74AC374DWR is a versatile component for designers needing reliable and fast data handling capabilities in electronic systems.
Features
The SN74AC374DWR is an octal D-type flip-flop with a tri-state output, designed for high-speed operation in digital applications. Key features include:
1. Data Storage: It can store 8 bits of data, allowing parallel input and output.
2. Edge Triggered: Data is latched on the rising edge of the clock signal, ensuring reliable data capture.
3. Tri-State Outputs: Outputs can be disabled, allowing multiple devices to connect to a common bus without data conflict.
4. Fast Switching: Operates at high speeds, with typical propagation delays in the nanosecond range.
5. Wide Voltage Range: Compatible with various power supply levels (typically 3V to 5.5V).
6. Low Power Consumption: Designed for efficient operation, minimizing power draw in applications.
7. Wide Operating Temperature: Suitable for standard temperature ranges, making it versatile for various environments.
8. Plastic Package: Housed in a standard 20-pin TSSOP package for easy integration.
These features make the SN74AC374DWR ideal for use in data storage, buffering, and timing applications in digital circuits.
1. Data Storage: It can store 8 bits of data, allowing parallel input and output.
2. Edge Triggered: Data is latched on the rising edge of the clock signal, ensuring reliable data capture.
3. Tri-State Outputs: Outputs can be disabled, allowing multiple devices to connect to a common bus without data conflict.
4. Fast Switching: Operates at high speeds, with typical propagation delays in the nanosecond range.
5. Wide Voltage Range: Compatible with various power supply levels (typically 3V to 5.5V).
6. Low Power Consumption: Designed for efficient operation, minimizing power draw in applications.
7. Wide Operating Temperature: Suitable for standard temperature ranges, making it versatile for various environments.
8. Plastic Package: Housed in a standard 20-pin TSSOP package for easy integration.
These features make the SN74AC374DWR ideal for use in data storage, buffering, and timing applications in digital circuits.
Package
The SN74AC374DWR is packaged in a TSSOP (Thin Shrink Small Outline Package) with 20 pins. It features a compact design suitable for space-constrained applications.
Pinout
The SN74AC374DWR is a 3-state, octal D-type flip-flop with an active-low output enable. It has a total of 20 pins. The key functions of the pins are as follows:
- Inputs:
- D0-D7 (pins 1-8): Data inputs for the flip-flops.
- CLK (pin 9): Clock input, triggering data capture on the rising edge.
- EN (pin 10): Active-low output enable for controlling the output state.
- Outputs:
- Q0-Q7 (pins 11-18): Data outputs corresponding to the D inputs, reflecting the stored data.
- Power and Ground:
- VCC (pin 20): Supply voltage.
- GND (pin 10): Ground reference.
The device captures the state of the data inputs at the rising edge of the clock and enables or disables the outputs based on the enable pin. It is commonly used in digital circuits for data storage and manipulation.
- Inputs:
- D0-D7 (pins 1-8): Data inputs for the flip-flops.
- CLK (pin 9): Clock input, triggering data capture on the rising edge.
- EN (pin 10): Active-low output enable for controlling the output state.
- Outputs:
- Q0-Q7 (pins 11-18): Data outputs corresponding to the D inputs, reflecting the stored data.
- Power and Ground:
- VCC (pin 20): Supply voltage.
- GND (pin 10): Ground reference.
The device captures the state of the data inputs at the rising edge of the clock and enables or disables the outputs based on the enable pin. It is commonly used in digital circuits for data storage and manipulation.
Manufacturer
The SN74AC374DWR is manufactured by Texas Instruments (TI), a leading American technology company headquartered in Dallas, Texas. Texas Instruments specializes in designing and producing semiconductors and various integrated circuits, which are essential components in electronic devices. The company is well-known for its innovations in analog and digital signal processing, microcontrollers, and other electronic systems. TI serves a wide range of industries, including automotive, industrial, consumer electronics, communications, and healthcare, making it a significant player in the global semiconductor market.
Application
The SN74AC374DWR is a hex D-type flip-flop used in various digital applications, including data storage, shift registers, and timing circuits. It is commonly applied in data buffering, clocked data storage, synchronous data transfers, and state machines. Its features make it suitable for high-speed logic designs in telecommunications, computer systems, and consumer electronics.
Equivalent
The SN74AC374DWR is a 3-state, octal D-type flip-flop with a transparent latch. Equivalent products include:
1. SN74HC374
2. 74AC374
3. 74HC374
4. MC74AC374
5. MC74HC374
Always verify specifications and pin configurations for compatibility in your application.
1. SN74HC374
2. 74AC374
3. 74HC374
4. MC74AC374
5. MC74HC374
Always verify specifications and pin configurations for compatibility in your application.
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