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Specifications
SKU: 1177987
J-K-Type Flip-Flop
| Parameter | Description | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VCC | Supply Voltage | 3 | - | 15 | V |
| ICC | Supply Current (per flip-flop) | - | 1 | - | μA |
| VIH | Input High Voltage | 2 | - | VCC | V |
| VIL | Input Low Voltage | 0 | - | 0.8 | V |
| VOH | Output High Voltage (IOL = 0.4 mA) | 2.4 | - | VCC - 0.1 | V |
| VOL | Output Low Voltage (IOL = 16 mA) | 0 | - | 0.4 | V |
| IOH | Output High Current | - | - | -400 | μA |
| IOL | Output Low Current | - | - | 16000 | μA |
| tpd | Propagation Delay Time | - | 35 | 120 | ns |
| tPHL | High to Low Propagation Delay Time | - | 35 | 120 | ns |
| tPLH | Low to High Propagation Delay Time | - | 35 | 120 | ns |
| tcc | Clock to Q Output Change Time | - | 35 | 120 | ns |
| tccr | Clock to Q? Output Change Time | - | 35 | 120 | ns |
| tpc | Pulse Width, Clock | 20 | - | - | ns |
Instructions for Using HEF4027BT
Power Supply:
- Connect the supply voltage (VCC) between 3V and 15V.
- Ground the GND pin.
Input Signals:
- Ensure input signals (S, R, C) are within the specified voltage levels (VIL and VIH).
- Avoid floating inputs; tie them to either VCC or GND if not in use.
Output Handling:
- Do not exceed the maximum output current ratings (IOH and IOL).
- Use appropriate pull-up or pull-down resistors for open-collector outputs if necessary.
Timing Considerations:
- Ensure that the clock signal (C) has a pulse width greater than the minimum specified (tpc).
- Account for propagation delays (tpd, tPHL, tPLH) in your timing calculations.
Storage and Handling:
- Store the device in a dry environment to prevent moisture damage.
- Handle with care to avoid static discharge, which can damage the device.
Testing:
- Use a multimeter to verify correct power supply and ground connections.
- Test the device with known input signals and observe the output responses to ensure proper functionality.
Layout Recommendations:
- Place decoupling capacitors (0.1 μF) close to the VCC and GND pins to filter out noise.
- Keep signal traces as short as possible to minimize parasitic effects.
By following these guidelines, you can ensure reliable operation of the HEF4027BT dual D-type flip-flop.
(For reference only)Inquiry - HEF4027BT
