Overview
The HEF4518BT652, produced by Nexperia USA Inc., is a dual 4-bit internally synchronous BCD (Binary Coded Decimal) counter. This integrated circuit is part of Nexperia's extensive portfolio of logic ICs, designed to meet the needs of various electronic applications. The HEF4518B, as described in its datasheet, is highly versatile and offers several key features that make it suitable for a range of counting and timing tasks.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | 3.0 to 15.0 | V |
| Operating Temperature Range | -40 to +85 | °C |
| Package Type | SO16 plastic small outline package; 16 leads; body width 3.9 mm | |
| Clock Inputs | CP0 and CP1 (LOW-to-HIGH and HIGH-to-LOW triggered respectively) | |
| Output Type | Buffered outputs from all four bit positions (O0 to O3) | |
| Reset Input | Asynchronous master reset input (MR) | |
| ESD Protection | HBM JESD22-A114F exceeds 2000 V, MM JESD22-A115-A exceeds 200 V | |
| Power Dissipation | 500 mW (total), 100 mW (per output) | mW |
Key Features
- Wide supply voltage range from 3.0 V to 15.0 V
- CMOS low power dissipation
- High noise immunity
- Tolerant of slow clock rise and fall times due to Schmitt-trigger action in the clock inputs
- Fully static operation
- Standardized symmetrical output characteristics
- Complies with JEDEC standard JESD 13-B
- ESD protection: HBM JESD22-A114F exceeds 2000 V, MM JESD22-A115-A exceeds 200 V
Applications
- Multistage synchronous counting
- Multistage asynchronous counting
- Frequency dividers
Q & A
- What is the HEF4518BT652? The HEF4518BT652 is a dual 4-bit internally synchronous BCD counter produced by Nexperia USA Inc.
- What is the supply voltage range of the HEF4518BT652? The supply voltage range is from 3.0 V to 15.0 V.
- What are the clock input types for the HEF4518BT652? The counter has two clock inputs (CP0 and CP1), which can be triggered by either LOW-to-HIGH or HIGH-to-LOW transitions respectively.
- Does the HEF4518BT652 have ESD protection? Yes, it has ESD protection with HBM JESD22-A114F exceeding 2000 V and MM JESD22-A115-A exceeding 200 V.
- What is the operating temperature range of the HEF4518BT652? The operating temperature range is from -40 °C to +85 °C.
- What type of reset does the HEF4518BT652 have? It has an asynchronous master reset input (MR).
- What are some common applications of the HEF4518BT652? It is commonly used in multistage synchronous counting, multistage asynchronous counting, and as frequency dividers.
- What is the package type of the HEF4518BT652? It comes in an SO16 plastic small outline package with 16 leads and a body width of 3.9 mm.
- Is the HEF4518BT652 compliant with any industry standards? Yes, it complies with JEDEC standard JESD 13-B.
- What is the power dissipation of the HEF4518BT652? The total power dissipation is 500 mW, with 100 mW per output.
