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M74HC4520B1 Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
M74HC4520B1ST125Yes

M74HC4520B1** is a high-speed CMOS dual 4-bit binary counter manufactured by **STMicroelectronics (ST)**.

The M74HC4520B1 is a high-speed CMOS dual 4-bit binary counter manufactured by STMicroelectronics (ST).

Key Specifications:

  • Logic Family: HC (High-Speed CMOS)
  • Supply Voltage Range: 2V to 6V
  • Operating Temperature Range: -40°C to +125°C
  • High Noise Immunity: CMOS technology
  • Low Power Consumption: Typically 4µA at 5V
  • Output Current: ±5.2mA at 5V
  • Propagation Delay: 18ns (typical at 5V)
  • Package Type: DIP-16 (Dual In-line Package)

Descriptions:

  • Dual Binary Counter: Contains two independent 4-bit binary counters.
  • Synchronous Counting: Each counter can be clocked independently.
  • Reset Function: Asynchronous master reset (MR) to clear the counter.
  • Edge-Triggered Clocking: Counts on the positive clock edge.

Features:

  • Wide Operating Voltage: Compatible with TTL levels (2V–6V).
  • High-Speed Operation: Suitable for high-frequency applications.
  • Schmitt Trigger Inputs: Improved noise rejection.
  • Synchronous Counting: Ensures accurate timing.
  • Pin-Compatible: Drop-in replacement for 74HC4520.

This IC is commonly used in frequency division, timing circuits, and digital counting applications.

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