Overview
The SN74HCT273NSR is an octal D-type flip-flop integrated circuit produced by Texas Instruments. This device is part of the HCT (High-Speed CMOS) family and is designed for use in a variety of digital logic applications. It features eight positive-edge-triggered D-type flip-flops with a common enable input and a direct clear input. This makes it suitable for applications requiring data storage and manipulation.
Key Specifications
| Parameter | Min | Nom | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 4.5 | 5 | 5.5 | V |
| High-Level Input Voltage (VIH) | 2 | - | - | V |
| Low-Level Input Voltage (VIL) | 0.8 | - | - | V |
| Input Current (II) | - | - | 1 | µA |
| Output Voltage (VO) | 0 | - | VCC | V |
| Propagation Delay Time (tpd) | 12 | - | 36 | ns |
| Operating Free-Air Temperature (TA) | -40 | - | 125 | °C |
| Maximum Clock Frequency (fmax) | 25 | - | 37 | MHz |
Key Features
- Operating voltage range of 4.5V to 5.5V
- Outputs can drive up to 10 LSTTL loads
- Low power consumption, 80µA maximum ICC
- Typical propagation delay time (tpd) of 12ns
- ±4mA output drive at 5V
- Low input current of 1µA maximum
- Inputs are TTL-voltage compatible
- Contains eight D-type flip-flops with a common enable input and direct clear input
Applications
- Buffer or storage registers
- Shift registers
- Pattern generators
Q & A
- What is the operating voltage range of the SN74HCT273NSR?
The operating voltage range is from 4.5V to 5.5V.
- How many D-type flip-flops does the SN74HCT273NSR contain?
The device contains eight D-type flip-flops.
- What is the typical propagation delay time (tpd) of the SN74HCT273NSR?
The typical propagation delay time is 12ns.
- What is the maximum output drive current at 5V?
The maximum output drive current at 5V is ±4mA.
- What is the maximum input current of the SN74HCT273NSR?
The maximum input current is 1µA.
- Are the inputs of the SN74HCT273NSR TTL-voltage compatible?
Yes, the inputs are TTL-voltage compatible.
- What is the maximum clock frequency of the SN74HCT273NSR?
The maximum clock frequency is up to 37 MHz.
- What are some common applications of the SN74HCT273NSR?
Common applications include buffer or storage registers, shift registers, and pattern generators.
- What is the package type of the SN74HCT273NSR?
The device is available in several package types, including SOIC, SSOP, PDIP, SOP, and TSSOP.
- What is the operating temperature range of the SN74HCT273NSR?
The operating free-air temperature range is from -40°C to 125°C.
