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SN74HC574NSR
+StücklisteIC FF D-TYPE SNGL 8BIT 20SO
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HerstellerTexas Instruments
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Herstellerteil #SN74HC574NSR
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Datenblatt SN74HC574NSR DataSheet
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Spezifikationen
| Attribut | Wert |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | 74HC |
| ProductStatus | Active |
| Function | Standard |
| Type | D-Type |
| OutputType | Tri-State, Non-Inverted |
| NumberofElements | 1 |
| NumberofBitsperElement | 8 |
| ClockFrequency | 40 MHz |
| MaxPropagationDelay@VMaxCL | 31ns @ 6V, 50pF |
| TriggerType | Positive Edge |
| Current-OutputHighLow | 7.8mA, 7.8mA |
| Voltage-Supply | 2V ~ 6V |
| Current-Quiescent(Iq) | 8 µA |
| InputCapacitance | 3 pF |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| SupplierDevicePackage | 20-SO |
Übersicht
Description
The SN74HC574NSR includes an output enable (OE) control that can disable the outputs, placing them in a high-impedance state and allowing for multiplexed bus systems. Operates over a voltage range of 2V to 6V, with fast switching times due to its high-speed CMOS technology, making it suitable for a variety of digital circuits. It comes in a small-outline package (SO) for compact designs. The SN74HC574NSR is commonly found in applications like microprocessor interfacing, data buffering, and memory address latching.
Equivalent
1. 74HC574 - Available from various manufacturers like Nexperia and ON Semiconductor.
2. CD74HC574 - From Texas Instruments, offering similar functionality.
3. MC74HC574 - From ON Semiconductor, providing equivalent performance.
4. HEF4754B - From NXP, another alternative with similar characteristics.
Ensure to check datasheets for specific parameters and compatibility.
Features
Key features include:
- Eight D-type flip-flops with individual data inputs and 3-state outputs.
- 3-state output capability allows for common bus operation.
- Positive edge-triggered with a clock input that enables data storage on the rising edge.
- Built-in positive edge trigger for reliable data capture.
- Output control capability to prevent bus contention.
- Supports high-speed CMOS (HC) operation.
- Low power consumption with a typical ICC of 2 µA.
- TTL-compatible inputs for interfacing with TTL logic levels.
- Available in a small-outline surface-mount package, providing versatility in design.
These features make the SN74HC574NSR an excellent choice for applications requiring data latching, buffering, and bus interfacing.
Pinout
Pin Count:
- It has a total of 20 pins.
Key Functions:
- D-type Flip-Flops: The SN74HC574NSR contains eight D-type flip-flops, which are designed to store and transfer data.
- 3-State Outputs: It features 3-state outputs, allowing the outputs to be in one of three states: high, low, or high-impedance. This enables multiple outputs to be connected to a common bus without interference.
- Positive-Edge Triggered: The flip-flops are positive-edge triggered, meaning data is transferred on the rising edge of the clock pulse.
- Output Control: The device includes an output control pin that can be used to enable or disable the outputs.
This IC is commonly used for temporary data storage, data latching, and interfacing between different components in digital systems.