74HC574 Tri-State Octal D-Type Flip-Flop IC - DIP-20 Package is a high-speed CMOS octal D-type flip-flop featuring eight edge-triggered flip-flops with three-state outputs. Data present at the D inputs is transferred to the outputs on the positive-going edge of the clock signal, while the three-state outputs allow direct interfacing with shared data buses. The 74HC574 is widely used in data storage, bus interfacing, microprocessor systems, digital registers, and embedded applications.
| Parameter | Value |
|---|---|
| Product Type | Octal D-Type Flip-Flop IC |
| Model | 74HC574 |
| Logic Family | 74HC CMOS |
| Package | DIP-20 |
| Number of Flip-Flops | 8 |
| Trigger Type | Positive Edge Triggered |
| Output Type | Three-State |
| Output Enable | Active-Low |
| Supply Voltage (VCC) | 2V to 6V |
| Logic Voltage | 5V (Typical) |
| Propagation Delay | 16ns (Typical @ 5V) |
| Maximum Clock Frequency | 36MHz (Typical @ 5V) |
| Operating Temperature | -40°C to +85°C |
| Mounting Type | Through Hole |
| Applications | Data Registers, Bus Interfacing, Microprocessor Systems, Data Storage, Embedded Systems, Digital Logic Circuits |
| RoHS Compliance | Yes |
| Pin | Function |
|---|---|
| 1 | OE (Output Enable, Active Low) |
| 2 | Q0 |
| 3 | D0 |
| 4 | D1 |
| 5 | Q1 |
| 6 | Q2 |
| 7 | D2 |
| 8 | D3 |
| 9 | Q3 |
| 10 | GND |
| 11 | CLK |
| 12 | Q4 |
| 13 | D4 |
| 14 | D5 |
| 15 | Q5 |
| 16 | Q6 |
| 17 | D6 |
| 18 | D7 |
| 19 | Q7 |
| 20 | VCC |
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1 x 74HC574 Tri-State Octal D-Type Flip-Flop IC - DIP-20 Package
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