Overview
The SN74LS273NSR is a monolithic, positive-edge-triggered D-type flip-flop integrated circuit produced by Texas Instruments. This component is part of the 74LS series, known for its low power Schottky (LS) logic family. It features TTL (Transistor-Transistor Logic) circuitry, which provides reliable and efficient logic operations. The SN74LS273NSR is packaged in a 20-pin Small Outline Integrated Circuit (SOIC) package, making it suitable for surface mount applications.
Key Specifications
| Parameter | Value |
|---|---|
| Part Number | SN74LS273NSR |
| Main Category | Integrated Circuits (ICs) |
| Sub Category | Logic - Flip Flops |
| Brand | Texas Instruments |
| Description | IC D-TYPE POS TRG SNGL 20SO |
| Series | 74LS |
| Function | Master Reset |
| Type | D-Type |
| Output Type | Non-Inverted |
| Number of Elements | 1 |
| Number of Bits per Element | 8 |
| Clock Frequency | 40 MHz (max) |
| Max Propagation Delay @ V, Max CL | 27 ns @ 5V, 15 pF |
| Trigger Type | Positive Edge |
| Current - Output High, Low | 400 µA, 8 mA |
| Voltage - Supply | 4.75 V ~ 5.25 V |
| Current - Quiescent | 27 mA |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 20-SOIC (0.209", 5.30mm Width) |
Key Features
- Contains eight D-type flip-flops with single-rail outputs.
- Buffered clock and direct clear inputs.
- Individual data input to each flip-flop.
- Positive-edge-triggered flip-flops utilizing TTL circuitry.
- Guaranteed to respond to clock frequencies ranging from 0 to 30 MHz, with a maximum clock frequency of typically 40 MHz.
- Low power consumption, typical power dissipation of 39 milliwatts per flip-flop.
- Surface mount package (20-SOIC) for compact and efficient design.
- Compliant with REACH, EU RoHS, and China RoHS regulations.
Applications
- Buffer/Storage Registers: Ideal for temporary data storage and buffering.
- Shift Registers: Used in serial-to-parallel or parallel-to-serial data conversion.
- Pattern Generators: Can be used to generate specific patterns or sequences of data.
- General Logic Circuits: Suitable for various digital logic applications requiring D-type flip-flops.
Q & A
- What is the SN74LS273NSR used for?
The SN74LS273NSR is used as a D-type flip-flop in digital logic circuits, particularly in applications such as buffer/storage registers, shift registers, and pattern generators.
- What is the maximum clock frequency of the SN74LS273NSR?
The maximum clock frequency of the SN74LS273NSR is typically 40 MHz.
- What type of trigger does the SN74LS273NSR use?
The SN74LS273NSR uses a positive-edge trigger.
- What is the supply voltage range for the SN74LS273NSR?
The supply voltage range for the SN74LS273NSR is 4.75 V to 5.25 V.
- What is the operating temperature range for the SN74LS273NSR?
The operating temperature range for the SN74LS273NSR is 0°C to 70°C.
- What type of package does the SN74LS273NSR come in?
The SN74LS273NSR comes in a 20-pin Small Outline Integrated Circuit (SOIC) package.
- Is the SN74LS273NSR compliant with environmental regulations?
Yes, the SN74LS273NSR is compliant with REACH, EU RoHS, and China RoHS regulations.
- What is the propagation delay of the SN74LS273NSR?
The propagation delay of the SN74LS273NSR is 27 ns at 5V and 15 pF load.
- How many flip-flops does the SN74LS273NSR contain?
The SN74LS273NSR contains eight D-type flip-flops.
- What is the quiescent current of the SN74LS273NSR?
The quiescent current of the SN74LS273NSR is 27 mA.
- Can the SN74LS273NSR be used in high-frequency applications?
Yes, the SN74LS273NSR can be used in high-frequency applications up to 40 MHz.
