Overview
The HEF4027BT is a dual positive-edge triggered JK flip-flop integrated circuit produced by Nexperia. This component is part of the HEF4000 series and is known for its independent set direct (nSD), clear direct (nCD), and clock inputs (nCP), along with complementary outputs (nQ and nQ).
The HEF4027BT operates within a wide supply voltage range from 3.0 V to 15.0 V, making it versatile for various applications. It features CMOS low power dissipation, high noise immunity, and fully static operation, ensuring reliable performance in different environments.
Key Specifications
| Type number | VCC (V) | Logic switching levels | Output drive capability (mA) | tpd (ns) | fmax (MHz) | Power dissipation considerations | Tamb (°C) | Rth(j-a) (K/W) | Ψth(j-top) (K/W) | Rth(j-c) (K/W) | Package name |
|---|---|---|---|---|---|---|---|---|---|---|---|
| HEF4027BT | 3.0 - 15 | CMOS | ± 2.4 | 30 | 30 | low | -40 ~ 85 | 82 | 5.4 | 41.5 | SO16 (SOT109-1) |
Key Features
- Independent set direct (nSD), clear direct (nCD), and clock inputs (nCP)
- Complementary outputs (nQ and nQ)
- Schmitt-trigger action in the clock input for high tolerance to slower clock rise and fall times
- Inputs include clamp diodes for interfacing with voltages in excess of VDD
- Wide supply voltage range from 3.0 V to 15.0 V
- CMOS low power dissipation
- High noise immunity
- Fully static operation
- Complies with JEDEC standard JESD 13-B
- HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V, CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V
Applications
- Registers
- Counters
- Control circuits
- Automotive and industrial applications
- Power, computing, consumer, mobile, and wearable devices
Q & A
- What is the HEF4027BT?
The HEF4027BT is a dual positive-edge triggered JK flip-flop integrated circuit.
- What is the supply voltage range of the HEF4027BT?
The supply voltage range is from 3.0 V to 15.0 V.
- What are the key features of the HEF4027BT?
Key features include independent set direct, clear direct, and clock inputs, Schmitt-trigger action, and CMOS low power dissipation.
- What are the typical applications of the HEF4027BT?
Typical applications include registers, counters, control circuits, and various industrial and consumer devices.
- What is the operating temperature range of the HEF4027BT?
The operating temperature range is from -40 °C to +85 °C.
- Does the HEF4027BT comply with any specific standards?
Yes, it complies with JEDEC standard JESD 13-B and has high ESD protection ratings.
- What is the package type of the HEF4027BT?
The package type is SO16 (SOT109-1).
- How does the Schmitt-trigger action benefit the HEF4027BT?
The Schmitt-trigger action makes the circuit highly tolerant to slower clock rise and fall times.
- What is the maximum propagation delay of the HEF4027BT?
The maximum propagation delay is 30 ns.
- Is the HEF4027BT suitable for high noise environments?
Yes, it has high noise immunity.
