HEF4517BT,512

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Counter/Divider
• Characteristics:
  • High-speed operation
  • Low power consumption
  • Wide supply voltage range
  • Schmitt-trigger action on all inputs
• Package: SO16 (Small Outline 16-pin package)
• Essence: HEF4517BT,512 is a counter/divider IC that can be used in various applications requiring counting or dividing functions.
• Packaging/Quantity: Typically sold in reels of 2500 units.

Specifications

• Supply Voltage Range: 3V to 15V
• Operating Temperature Range: -40°C to +125°C
• Maximum Clock Frequency: 25 MHz
• Maximum Counting Frequency: 12.5 MHz
• Number of Stages: 5
• Output Current: ±4 mA
• Propagation Delay: 60 ns (typical)

Detailed Pin Configuration

1. Clock Input (CP)
2. Reset Input (MR)
3. Enable Input (ENP)
4. Carry Output (CO)
5. Data Input (D)
6. Output Enable Input (OE)
7. Q0 Output
8. Q1 Output
9. Q2 Output
10. Q3 Output
11. Q4 Output
12. Ground (GND)
13. Q4' Output
14. Q3' Output
15. Q2' Output
16. VCC (Supply Voltage)

Functional Features

• The HEF4517BT,512 is a synchronous counter/divider with a wide supply voltage range and high-speed operation.
• It features a Schmitt-trigger action on all inputs, ensuring reliable operation even in noisy environments.
• The counter can be reset using the MR input, and its counting can be enabled or disabled using the ENP input.
• The carry output (CO) provides a signal when the counter reaches its maximum count value.

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient counting or dividing functions.
• Low power consumption makes it suitable for battery-powered applications.
• Wide supply voltage range provides flexibility in various electronic systems.
• Schmitt-trigger action on all inputs ensures reliable operation in noisy environments.

Disadvantages

• Limited number of stages (5) may not be sufficient for complex counting applications.
• Propagation delay of 60 ns may introduce timing issues in certain high-frequency applications.

Working Principles

• The HEF4517BT,512 operates as a synchronous counter/divider by counting clock pulses applied to the CP input.
• The counter advances its state on each rising edge of the clock signal.
• The MR input can be used to reset the counter to its initial state.
• The ENP input enables or disables the counting function.
• The outputs (Q0-Q4) represent the current count value, while the carry output (CO) indicates when the maximum count value is reached.

Detailed Application Field Plans

The HEF4517BT,512 can be used in various applications, including: 1. Frequency division in communication systems 2. Time division multiplexing 3. Digital frequency synthesis 4. Industrial automation 5. Electronic gaming devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the HEF4517BT,512 are: - CD4517B: CMOS Decade Counter/Divider IC - SN74LS90: TTL Decade Counter/Divider IC - MC14017B: CMOS Presettable Counter/Divider IC - CD4026B: CMOS Decade Counter/Divider with 7-Segment Display Outputs

These alternative models provide different package options, supply voltage ranges, and additional features to suit specific application requirements.

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