Overview
The Texas Instruments SN74LS273N is a high-speed, 8-bit D-type flip-flop integrated circuit. This device is part of the 74LS series, known for its low power Schottky (LS) TTL logic family. It features eight D-type flip-flops with a common clock and an asynchronous active LOW master reset. The SN74LS273N is packaged in a 20-pin PDIP (Plastic Dual In-Line Package) and is designed for use in a variety of digital logic applications.
Key Specifications
| Specification | Description |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | SN74LS273N |
| Package | PDIP-20 (20-pin Plastic Dual In-Line Package) |
| Operating Voltage | 4.75V ~ 5.25V |
| Maximum Clock Frequency | Typically 40 MHz |
| Propagation Delay | 27 ns @ 5V, 15 pF |
| Output Type | Non-inverted |
| Trigger Type | Positive Edge |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Quiescent Current | 27 mA |
| Output High/Low Current | 400 μA / 8 mA |
| RoHS Status | Lead Free / RoHS Compliant |
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.
- Asynchronous active LOW master reset.
Applications
- Buffer/Storage Registers.
- Shift Registers.
- Pattern Generators.
Q & A
- What is the maximum clock frequency of the SN74LS273N?
The maximum clock frequency is typically 40 MHz. - What type of package does the SN74LS273N come in?
The SN74LS273N is packaged in a 20-pin PDIP (Plastic Dual In-Line Package). - What is the operating voltage range of the SN74LS273N?
The operating voltage range is 4.75V ~ 5.25V. - What is the propagation delay of the SN74LS273N?
The propagation delay is 27 ns @ 5V, 15 pF. - Does the SN74LS273N have a master reset feature?
Yes, it has an asynchronous active LOW master reset. - What are the typical applications of the SN74LS273N?
Typical applications include buffer/storage registers, shift registers, and pattern generators. - Is the SN74LS273N RoHS compliant?
Yes, the SN74LS273N is lead-free and RoHS compliant. - What is the operating temperature range of the SN74LS273N?
The operating temperature range is 0°C ~ 70°C (TA). - What type of trigger does the SN74LS273N use?
The SN74LS273N uses positive-edge triggering. - How many flip-flops does the SN74LS273N contain?
The SN74LS273N contains eight D-type flip-flops.
