Overview
The SN74HC273N is an octal D-type flip-flop integrated circuit produced by Texas Instruments. It is part of the HC (High-Speed CMOS) logic family and is designed for use in a wide range of digital applications. The device features eight positive-edge-triggered D-type flip-flops with individual data inputs and a direct active low clear input. This allows for flexible and efficient data storage and transfer in various digital systems.
Key Specifications
| Parameter | Condition | Min | Max | Unit |
|---|---|---|---|---|
| Operating Voltage Range | 2 | 6 | V | |
| Maximum ICC (Power Consumption) | 80 | µA | ||
| Output Drive | VCC = 5 V | ±4 | mA | |
| Input Current | 1 | µA | ||
| Maximum Clock Frequency | VCC = 2 V | 4 | MHz | |
| VCC = 4.5 V | 18 | MHz | ||
| VCC = 6 V | 21 | MHz | ||
| tPHL (CLR to Q) | VCC = 2 V | 240 | ns | |
| VCC = 4.5 V | 48 | ns | ||
| VCC = 6 V | 41 | ns | ||
| tpd (CLK to Q) | VCC = 2 V | 240 | ns | |
| VCC = 4.5 V | 48 | ns | ||
| VCC = 6 V | 41 | ns | ||
| Operating Temperature Range | -40 | 85 | °C |
Key Features
- Wide operating voltage range of 2 V to 6 V
- Outputs can drive up to 10 LSTTL loads
- Low power consumption, with a maximum ICC of 80 µA
- Typical propagation delay (tpd) of 12 ns
- ±4-mA output drive at 5 V
- Low input current of 1 µA maximum
- Contains eight flip-flops with single-rail outputs
- Direct active low clear input
- Individual data input to each flip-flop
Applications
- Buffer or storage registers
- Shift registers
- Pattern generators
Q & A
- What is the operating voltage range of the SN74HC273N? The operating voltage range is from 2 V to 6 V.
- 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 SN74HC273N? The maximum power consumption is 80 µA.
- What is the typical propagation delay of the SN74HC273N? The typical propagation delay is 12 ns.
- What is the output drive capability at 5 V? The output drive capability is ±4 mA at 5 V.
- What is the maximum input current? The maximum input current is 1 µA.
- How many flip-flops does the SN74HC273N contain? It contains eight flip-flops with single-rail outputs.
- What type of clear input does the SN74HC273N have? It has a direct active low clear input.
- Can each flip-flop have individual data inputs? Yes, each flip-flop has an individual data input.
- What are some common applications of the SN74HC273N? Common applications include buffer or storage registers, shift registers, and pattern generators.
