Overview
The SN74HC574ANSR from Texas Instruments is an octal edge-triggered D-type flip-flop with 3-state outputs, designed specifically for bus driving applications. These flip-flops are particularly suitable for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers. The device operates within a wide voltage range of 2 V to 6 V, making it versatile for various electronic systems.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 2 | 5 | 6 | V |
| High-Level Input Voltage (VIH) | 1.5 (VCC = 2 V) | 3.15 (VCC = 4.5 V) | 4.2 (VCC = 6 V) | V |
| Low-Level Input Voltage (VIL) | 0.5 (VCC = 2 V) | 1.35 (VCC = 4.5 V) | 1.8 (VCC = 6 V) | V |
| Input Transition Rise/Fall Time | 1000 (VCC = 2 V) | 500 (VCC = 4.5 V) | 400 (VCC = 6 V) | ns |
| Operating Free-Air Temperature | -40 | 85 | °C | |
| Clock Frequency | 6 (VCC = 2 V) | 30 (VCC = 4.5 V) | 38 (VCC = 6 V) | MHz |
| Propagation Delay Time (tpd) | 22 | ns | ||
| Output Drive Current | ±6 mA (at 5 V) | mA | ||
| Input Current | 1 µA Max | µA | ||
| Power Consumption (ICC) | 80 µA Max | µA |
Key Features
- Wide Operating Voltage Range of 2 V to 6 V
- High-Current 3-State Noninverting Outputs Drive Bus Lines Directly or Up to 15 LSTTL Loads
- Low Power Consumption, 80-µA Max ICC
- Typical Propagation Delay Time (tpd) = 22 ns
- ±6-mA Output Drive at 5 V
- Low Input Current of 1-µA Max
- Bus-Structured Pinout
- Compliance with MIL-PRF-38535 for certain products
Applications
- Frequency Dividers
- Shift Registers
- Storage Registers
- Bounce Elimination Switches
- Data Storage and Transfer
- Latches and Registers
- Memory Applications
- Frequency Division
Q & A
- What is the operating voltage range of the SN74HC574ANSR?
The operating voltage range is from 2 V to 6 V.
- What type of outputs does the SN74HC574ANSR have?
The device features high-current 3-state noninverting outputs.
- What is the typical propagation delay time (tpd) of the SN74HC574ANSR?
The typical propagation delay time is 22 ns.
- How much output drive current can the SN74HC574ANSR provide at 5 V?
The device can provide ±6-mA output drive at 5 V.
- What is the maximum input current of the SN74HC574ANSR?
The maximum input current is 1 µA.
- What is the power consumption of the SN74HC574ANSR?
The maximum power consumption (ICC) is 80 µA.
- What are some common applications of the SN74HC574ANSR?
Common applications include frequency dividers, shift registers, storage registers, bounce elimination switches, data storage and transfer, latches, registers, and memory applications.
- What types of packages are available for the SN74HC574ANSR?
The device is available in various packages such as SOIC, SSOP, PDIP, SO, TSSOP, CDIP, LCCC, and CFP.
- What is the operating temperature range of the SN74HC574ANSR?
The operating free-air temperature range is from -40°C to 85°C.
- Does the SN74HC574ANSR comply with any military standards?
Yes, certain products comply with MIL-PRF-38535.
