Overview
The HEF4518BT,652 is a dual 4-bit internally synchronous BCD (Binary Coded Decimal) counter manufactured by Nexperia USA Inc. This integrated circuit is part of the 4000B series and is designed for applications requiring precise counting in BCD format. The counter features two clock inputs (CP0 and CP1) and buffered outputs from all four bits, making it versatile for various digital circuit designs.
Key Specifications
| Parameter | Value |
|---|---|
| Logic Type | BCD Counter |
| Direction | Up |
| Number of Elements | 2 |
| Number of Bits per Element | 4 |
| Reset | Asynchronous |
| Count Rate | 40 MHz |
| Trigger Type | Positive, Negative |
| Voltage - Supply | 4.5 V ~ 15.5 V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | 16-SOIC (0.154", 3.90mm Width) |
Key Features
- Dual 4-bit internally synchronous BCD counter
- Two clock inputs (CP0 and CP1)
- Buffered outputs from all four bits
- Asynchronous reset capability
- Positive and negative trigger types
- Wide supply voltage range: 4.5 V to 15.5 V
- Operating temperature range: -40°C to 85°C
- Surface mount package in 16-SOIC
Applications
The HEF4518BT,652 is suitable for a variety of digital circuit applications, including:
- Counting systems in industrial control and automation
- Digital displays and indicators
- Timing and sequencing circuits
- Data processing and communication systems
- Automotive and aerospace electronics
Q & A
- What is the logic type of the HEF4518BT,652?
The HEF4518BT,652 is a BCD (Binary Coded Decimal) counter. - How many bits does each element of the counter have?
Each element of the counter has 4 bits. - What is the count rate of the HEF4518BT,652?
The count rate is up to 40 MHz. - What are the trigger types supported by the HEF4518BT,652?
The counter supports both positive and negative trigger types. - What is the supply voltage range for the HEF4518BT,652?
The supply voltage range is from 4.5 V to 15.5 V. - What is the operating temperature range of the HEF4518BT,652?
The operating temperature range is from -40°C to 85°C. - What is the package type of the HEF4518BT,652?
The package type is 16-SOIC (0.154", 3.90mm Width). - Is the HEF4518BT,652 still in production?
No, the HEF4518BT,652 is obsolete and no longer manufactured. - What are some potential substitutes for the HEF4518BT,652?
Potential substitutes include similar BCD counters like the CD4518BM. - Where can I find more detailed specifications and datasheets for the HEF4518BT,652?
You can find detailed specifications and datasheets on the Nexperia website or through distributors like Heisener and Digi-Key.
