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ONSEMI MC14521BDG Digital Frequency Divider

The MC14521B is a 24-stage frequency divider featuring an integrated chain of flip-flops that divide incoming frequency signals by two. It supports three modes of operation including crystal oscillator, RC oscillator, or an external oscillator input. This versatile device offers flexible output options, high-speed operation, and low power consumption, making it ideal for digital frequency division, timing, and counter applications. It is automotive-grade, RoHS compliant, and suitable for high-reliability environments, with a wide supply voltage range of 3.0 V to 18 V.

Authorized Distributors
Source:Newark
Part No:MC14521BDG
Stock:66
Inv Date:06-10-2026
Price: Unit price: $0.649
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Source:DigiKey
Part No:MC14521BDG
Stock:48
Inv Date:06-10-2026
Price: Unit price: $0.77
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Part No:MC14521BDG
Stock:552
Inv Date:06-11-2026
Price: Unit price: $0.77
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Part No:MC14521BDG
Stock:0
Inv Date:06-10-2026
Price: Unit price: $0.709
Buy/RFQ:
Part No:MC14521BDG
Stock:0
Inv Date:06-10-2026
Price: Unit price: $0.709
Buy/RFQ:
Part No:MC14521BDG
Stock:0
Inv Date:06-10-2026
Price: Unit price: $0.186
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Source:Arrow EU
Part No:MC14521BDG
Stock:1536
Inv Date:06-11-2026
Price: N/A
Buy/RFQ:

ONSEMI MC14521BDG Digital Frequency Divider Specifications:

  • Number of Stages: 24 flip-flops
  • Maximum Supply Voltage: 18 V
  • Supply Voltage Range: 3.0 V to 18 V
  • Input/Output Voltage Range: -0.5 V to Vop, Vcc
  • Power Dissipation: 500 mW per package
  • Operating Temperature Range: -55°C to +125°C
  • Resettable stages with active low reset input
  • Propagation Delay Time: 3.5 to 9.0 microseconds depending on load
  • Clock Frequency: up to 3.5 MHz
  • Output Drive Capability: capable of driving two low-power TTL loads or one Schottky TTL load
  • Package: SOIC-16 (CASE 751B), lead maximum soldering temperature 260°C
  • RoHS compliant and Pb-Free
  • Features include test mode, external resistor/capacitor connection for oscillator, and low standby power

Buy the ON Semiconductor Series Frequency Divider: MC14521B

Purchase the ON Semiconductor MC14521B digital frequency divider online today to leverage high-speed performance, versatile frequency division capabilities, and robust operation. Designed for high-reliability applications, it features supporting crystal, RC, and external oscillators, with low power consumption, RoHS compliance, and automotive-grade quality. Its 24 flip-flop stages enable counting up to 16.77 million, making it ideal for timing, counter, and frequency division tasks in complex digital systems. Secure your supply today for dependable operation worldwide.

Buy ON Semiconductor MC14521B now and experience unmatched reliability and high-speed digital frequency division with versatile output options and low power consumption.

Frequently Asked Questions

Where can I buy ONSEMI MC14521BDG?

You can click on the BUY or RFQ button to purchase MC14521BDG from an authorized ONSEMI distributor.

How do I troubleshoot issues or seek technical support for part MC14521BDG?

You can download the MC14521BDG datasheet or visit the ONSEMI website for support.

Who is the manufacturer of MC14521BDG?

ONSEMI

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