Overview
The HEF4047BT,652, produced by Nexperia USA Inc., is a retriggerable astable multivibrator that can be configured as either a positive-edge or negative-edge triggered monostable multivibrator. Although this specific part number (HEF4047BT,652) is now obsolete and no longer manufactured, it shares many characteristics with its active counterparts like the HEF4047BT and HEF4047BT-Q100.
This component was part of Nexperia’s extensive portfolio of logic ICs, which are used in various electronic designs across different industries, including automotive, industrial, power, computing, consumer, mobile, and wearables.
Key Specifications
| Parameter | Value | Description |
|---|---|---|
| Package | SO14 (SOT108-1) | Small Outline package with 14 leads, 1.27 mm pitch, 8.65 mm x 3.9 mm x 1.75 mm body |
| Operating Temperature | -40 °C to +85 °C | For the Q100 version, but similar temperature ranges apply to other versions |
| Triggering | Positive- or negative-edge | Can be configured for either positive or negative edge triggering |
| Output Pulse Width | Programmable by external R and C components | The output pulse width is determined by the selection of external resistor and capacitor |
| Outputs | True and complemented buffered outputs | Provides both true and complemented output signals |
| ESD Protection | HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V, CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V | For the Q100 version, indicating robust ESD protection |
Key Features
- Monostable (one-shot) or astable (free-running) operation
- Retriggerable option for pulse-width expansion
- Long pulse width possible using small RC components with external counter provision
- Fast recovery time independent of pulse width
- Pulse-width accuracy maintained at duty cycles approaching 100%
- Free-running or gatable operating modes
- 50% duty cycle
- Oscillator output available
- Inputs include clamp diodes, enabling the use of current limiting resistors to interface inputs to voltages in excess of VCC
Applications
The HEF4047BT series, including the HEF4047BT,652, is suitable for a wide range of applications across various industries:
- Automotive: Qualified to the Automotive Electronics Council (AEC) standard Q100 (Grade 3) for the Q100 version.
- Industrial: Used in control circuits, timing circuits, and pulse generation.
- Power and Computing: Utilized in power management and computing systems for timing and control functions.
- Consumer and Mobile: Found in consumer electronics and mobile devices for various timing and control applications.
- Wearables: Used in wearable devices for efficient and reliable timing functions.
Q & A
- What is the HEF4047BT,652?
The HEF4047BT,652 is a retriggerable astable multivibrator that can be configured as either a positive-edge or negative-edge triggered monostable multivibrator, although it is now obsolete.
- What package type does the HEF4047BT,652 use?
The HEF4047BT,652 uses the SO14 (SOT108-1) package.
- What are the key features of the HEF4047BT series?
The key features include monostable or astable operation, retriggerable option, long pulse width capability, fast recovery time, and robust ESD protection.
- What are the typical applications of the HEF4047BT series?
Typical applications include automotive, industrial, power, computing, consumer electronics, mobile devices, and wearables.
- Is the HEF4047BT,652 still available for purchase?
No, the HEF4047BT,652 is obsolete and no longer manufactured.
- What are the alternatives to the HEF4047BT,652?
Alternatives include the HEF4047BT and HEF4047BT-Q100, which are still active and available.
- How is the output pulse width determined in the HEF4047BT series?
The output pulse width is determined by the selection of external resistor and capacitor.
- Does the HEF4047BT series have ESD protection?
Yes, the HEF4047BT series, especially the Q100 version, has robust ESD protection exceeding 2000 V for HBM and 1000 V for CDM.
- What is the operating temperature range for the HEF4047BT-Q100?
The operating temperature range is from -40 °C to +85 °C.
- Can the HEF4047BT series be used in automotive applications?
Yes, the HEF4047BT-Q100 is qualified to the Automotive Electronics Council (AEC) standard Q100 (Grade 3), making it suitable for automotive applications.
