Overview
The SN74HCT273N 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 high-speed applications. It features a common enable input and a direct clear input, making it versatile for various digital logic circuits. The SN74HCT273N operates within a voltage range of 4.5V to 5.5V, making it compatible with TTL (Transistor-Transistor Logic) systems.
Key Specifications
| Parameter | Min | Typ | 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 | ||
| Operating Temperature (TA) | -40 | 85 | °C | |
| Propagation Delay Time (tpd) | 12 | 36 | ns | |
| Output Drive Current | ±4 | mA | ||
| Input Current | 1 | µA | ||
| Power Consumption (ICC) | 80 | µA |
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 SN74HCT273N?
The operating voltage range is 4.5V to 5.5V.
- How many D-type flip-flops does the SN74HCT273N contain?
The device contains eight D-type flip-flops.
- What is the typical propagation delay time (tpd) of the SN74HCT273N?
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?
The maximum input current is 1µA.
- Are the inputs TTL-voltage compatible?
Yes, the inputs are TTL-voltage compatible.
- What are some common applications of the SN74HCT273N?
Common applications include buffer or storage registers, shift registers, and pattern generators.
- What is the operating temperature range of the SN74HCT273N?
The operating temperature range is -40°C to 85°C.
- How many LSTTL loads can the outputs drive?
The outputs can drive up to 10 LSTTL loads.
- What is the maximum power consumption of the SN74HCT273N?
The maximum power consumption is 80µA.
