圖片僅供參考

SN74HC273DWR

Name: SN74HC273DWR
Rating: 4.7 (12 reviews)

IC FF D-TYPE SNGL 8BIT 20SOIC

製造商
製造商。部分 #SN74HC273DWR
包
資料表 SN74HC273DWR DataSheet
有現貨的3158

+BOM RFQ

100%原創；新

24小時準備發貨

365天保修

RFQ&；獲得更多折扣

規格

Package	Tape & Reel (TR),Cut Tape (CT)
Series	74HC
ProductStatus	Active
Function	Master Reset
Type	D-Type
OutputType	Non-Inverted
NumberofElements	1
NumberofBitsperElement	8
ClockFrequency	60 MHz
MaxPropagationDelay@VMaxCL	13ns @ 6V, 50pF
TriggerType	Positive Edge
Current-OutputHighLow	5.2mA, 5.2mA
Voltage-Supply	2V ~ 6V
Current-Quiescent(Iq)	8 µA
InputCapacitance	3 pF
OperatingTemperature	-40°C ~ 85°C (TA)
MountingType	Surface Mount
SupplierDevicePackage	20-SOIC

概述

Description

The SN74HC273DWR is a high-speed CMOS octal D flip-flop with a common enable (E) and a clear (CLR) input. It belongs to Texas Instruments' 74HC family, designed for efficient digital logic applications. The device features eight D-type flip-flops that capture data on the rising edge of the clock (CLK) input. Each flip-flop has an individual output (Q) and its complement (Q̅).
The SN74HC273DWR operates within a voltage range of 2V to 6V, making it compatible with various logic levels, and it offers low-power consumption. The device supports synchronous operation, meaning that changes to the outputs occur in response to the clock signal while allowing for easy parallel data loading.
With a wide range of applications, it is commonly used in data storage, timing applications, and state machines. The package type is a TSSOP-20, suitable for space-constrained designs. Overall, the SN74HC273DWR is an efficient choice for systems requiring reliable state retention and control.

Features

The SN74HC273DWR is an octal D-type flip-flop with a 3-state output designed for high-speed applications. Key features include:
1. Wide Supply Voltage Range: Operates from 2V to 6V.
2. High Speed: Typical propagation delay of 15 ns at 5V.
3. 8 D-Type Flip-Flops: It contains eight flip-flops, each with individual data inputs (D), clock (CLK), and enable (EN) inputs.
4. Asynchronous Set and Reset: Provides asynchronous set (PRE) and reset (CLR) functionality.
5. 3-State Outputs: Outputs can be enabled or disabled for tri-state operation, making it suitable for bus-oriented applications.
6. Low Power Consumption: Features low input and output leakage current.
7. TTL Compatible: Offers compatibility with TTL logic levels.
8. DIP and SOIC Packages: Available in various package types for easy integration.
These features make the SN74HC273DWR suitable for a variety of digital applications, including data storage and manipulation in microcontroller-based systems.

Package

The SN74HC273DWR is packaged in a TSSOP (Thin Shrink Small Outline Package) with 20 pins. It is designed for surface mounting and offers a compact form factor suitable for space-constrained applications.

Pinout

The SN74HC273DWR is a high-speed CMOS D-type flip-flop with a total of 20 pins. It functions as an 8-bit latch, meaning it can store 8 bits of data. The key functions of its pins include:
1. Data Inputs (D0-D7): Pins 2-9 for data inputs.
2. Clock (CLK): Pin 10 for the clock input, which triggers the data to be latched.
3. Clear (CLR): Pin 11 for asynchronous clear, resets all outputs to low when activated.
4. Preset (PRE): Pin 12 for asynchronous preset, sets all outputs to high when activated.
5. Output (Q0-Q7): Pins 15-22 for the output states corresponding to the data inputs.
6. Ground (GND): Pin 20 for the ground connection.
7. VCC: Pin 14 for power supply connection.
The device operates with a supply voltage range of 2V to 6V and is designed for fast switching speeds.

Manufacturer

The SN74HC273DWR is manufactured by Texas Instruments (TI), a well-known American technology company. Texas Instruments specializes in designing and manufacturing semiconductors and various integrated circuits, including digital signal processors, microcontrollers, and analog devices. Founded in 1930, TI serves a wide range of industries, including automotive, industrial, communications, and consumer electronics. The company is recognized for its innovation in analog and embedded processing technologies and is a leading supplier in the semiconductor market.

Application

The SN74HC273DWR is a hex D-type flip-flop used in various digital applications such as data storage, data transfer, and sequential logic circuits. It is commonly utilized in microcontroller interfacing, memory storage, frequency division, and state machine designs. Its ability to hold data and synchronize signals makes it suitable for timing applications in digital systems, including counters and registers in embedded systems and communication devices.

Equivalent

Equivalent products to the SN74HC273DWR include the 74HC273, 74HCT273, and 74LS273. Additionally, similar devices from other manufacturers, such as the MC74HC273 or the 74VHC273, can serve as alternatives. Always verify pin configuration and electrical specifications to ensure compatibility.