Overview
The SN74ALS273DWR is an octal D-type positive-edge-triggered flip-flop integrated circuit produced by Texas Instruments. This component utilizes TTL (Transistor-Transistor Logic) circuitry to implement D-type flip-flop logic with a direct-clear input. It is designed to operate within a temperature range of 0°C to 70°C, making it suitable for a variety of applications in digital electronics.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package Type | SOIC (DW) | - |
| Pins | 20 | - |
| Operating Temperature Range | 0 to 70 | °C |
| Supply Voltage (VCC) | 4.5 to 5.5 | V |
| High-Level Input Voltage (VIH) | 2 to 5.5 | V |
| Low-Level Input Voltage (VIL) | 0.7 to 0.8 | V |
| High-Level Output Current (IOH) | -1 to -2.6 | mA |
| Low-Level Output Current (IOL) | 12 to 24 | mA |
| Clock Frequency (fclock) | 0 to 35 | MHz |
| Setup Time Before CLK↑ (tsu) | 15 | ns |
| Hold Time, Data After CLK↑ (th) | 0 | ns |
Key Features
- Contain eight flip-flops with single-rail outputs
- Buffered clock and direct-clear inputs
- Individual data input to each flip-flop
- Package options include plastic small-outline (DW) packages, ceramic chip carriers (FK), and standard plastic (N) and ceramic (J) 300-mil DIPs
Applications
- Buffer/storage registers
- Shift registers
- Pattern generators
Q & A
- What is the SN74ALS273DWR used for?
The SN74ALS273DWR is used in various digital electronic applications such as buffer/storage registers, shift registers, and pattern generators.
- What is the operating temperature range of the SN74ALS273DWR?
The operating temperature range of the SN74ALS273DWR is from 0°C to 70°C.
- What type of package does the SN74ALS273DWR come in?
The SN74ALS273DWR comes in a plastic small-outline (DW) package with 20 pins.
- What is the supply voltage range for the SN74ALS273DWR?
The supply voltage range for the SN74ALS273DWR is from 4.5V to 5.5V.
- What is the clock frequency range for the SN74ALS273DWR?
The clock frequency range for the SN74ALS273DWR is up to 35 MHz.
- Does the SN74ALS273DWR have a direct-clear input?
Yes, the SN74ALS273DWR has a direct-clear input.
- How many flip-flops does the SN74ALS273DWR contain?
The SN74ALS273DWR contains eight D-type flip-flops.
- What is the setup time before the clock rising edge for the SN74ALS273DWR?
The setup time before the clock rising edge for the SN74ALS273DWR is 15 ns.
- Is the SN74ALS273DWR RoHS compliant?
Yes, the SN74ALS273DWR is RoHS compliant.
- What are the high-level and low-level output currents for the SN74ALS273DWR?
The high-level output current is -1 to -2.6 mA, and the low-level output current is 12 to 24 mA.
