GD74HC534 Logic IC D-Type Flip-Flop 8-CMOS / 3-State 6V DIP-20
The GD74HC534 is a high-speed CMOS logic IC that integrates eight D-type flip-flops with 3-state outputs, ideal for temporary data storage and bus-oriented applications. It operates with supply voltages up to 6V, ensuring reliable performance in digital systems. Housed in a standard DIP-20 package, it features edge-triggered operation with common clock and output enable control, making it suitable for data latching, buffering, and synchronization in microprocessor and memory interface circuits.
Features
- Eight D-type flip-flops with 3-state outputs.
- Common clock and output enable control.
- High-speed CMOS technology with low power consumption.
- Wide operating voltage range: 2V to 6V.
- High noise immunity for reliable operation.
- Edge-triggered data storage for synchronization.
- Outputs directly interface with TTL and CMOS logic levels.
- Packaged in standard DIP-20 for easy PCB mounting.
- Ideal for latching, buffering, and bus-oriented applications.
Specifications
| Parameter | Value |
| Product Category | Logic ICs |
| Logic Type | D-Type Flip-Flop |
| Logic Family | HC |
| Series | 74HC534 |
| Datasheet | GD74HC534 |
| Package/Case | PDIP-20 |
| Mounting Style | Through Hole |
| Packaging | Tube |
| Number of Circuits | 8 Circuit |
| Output Type | 3-State |
| Input Type | CMOS |
| Polarity | Inverting |
| Propagation Delay Time | 165 ns |
| High Level Output Current | – 7.8 mA |
| Low Level Output Current | 7.8 mA |
| Supply Voltage – Min | 2 V |
| Supply Voltage – Max | 6 V |
| Function | D-Type Bus Interface |
| Number of Channels | 8 Channel |
| Number of Input Lines | 8 |
| Number of Output Lines | 3 |
| Operating Supply Voltage | 6 V |
| Quiescent Current | 8 µA |
| Operating Temperature | – 55 C to + 125 C |
Dimensions
Pin Configuration
| Pin No. | Symbol | Description |
|---|---|---|
| 1 | OE | Output Enable |
| 2 | D0 | Data Input 0 |
| 3 | D1 | Data Input 1 |
| 4 | D2 | Data Input 2 |
| 5 | D3 | Data Input 3 |
| 6 | D4 | Data Input 4 |
| 7 | D5 | Data Input 5 |
| 8 | D6 | Data Input 6 |
| 9 | D7 | Data Input 7 |
| 10 | GND | Ground |
| 11 | Q7 | Output 7 |
| 12 | Q6 | Output 6 |
| 13 | Q5 | Output 5 |
| 14 | Q4 | Output 4 |
| 15 | Q3 | Output 3 |
| 16 | Q2 | Output 2 |
| 17 | Q1 | Output 1 |
| 18 | Q0 | Output 0 |
| 19 | CLK | Clock Input |
| 20 | VCC | Supply Voltage |
Applications
- Memory address register and temporary data storage.
- Microprocessor and microcontroller interfacing.
- Bus-oriented applications with 3-state outputs.
- Data latching and synchronization in digital circuits.
- Buffering and driving data lines in logic systems.
- Signal delay and timing control applications.
- Peripheral device interfacing in embedded systems.
Package Contents
- 1 X GD74HC534 Logic IC D-Type Flip-Flop 8-CMOS / 3-State 6V DIP-20
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