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HEF4521BT-Q100

24-stage frequency divider and oscillator

The HEF4521B-Q100 consists of a chain of 24 toggle flip-flops with an overriding asynchronous master reset input (MR), and an input circuit that allows three modes of operation. The single inverting stage (A2 to Y2) functions as: a crystal oscillator, an input buffer for an external oscillator or in combination with A1 as an RC oscillator. The crystal oscillator operates in Low-power mode when pins VSS1 and VDD1 are supplied via external resistors.

Each flip-flop divides the frequency of the previous flip-flop by two, consequently the HEF4521B-Q100 counts up to 224 = 16777216. The counting advances on the HIGH-to-LOW transition of the clock (A2). The outputs from each of the last seven stages (218 to 224) are available for additional flexibility.

It operates over a recommended VDD power supply range of 3 V to 15 V referenced to VSS (usually ground). Unused inputs must be connected to VDD, VSS, or another input.

This product has been qualified to the Automotive Electronics Council (AEC) standard Q100 (Grade 3) and is suitable for use in automotive applications.

Features and benefits

  • Automotive product qualification in accordance with AEC-Q100 (Grade 3)

    • Specified from -40 °C to +85 °C

  • Wide supply voltage range from 3.0 V to 15.0 V

  • CMOS low power dissipation

  • High noise immunity

  • Low power crystal oscillator operation

  • Fully static operation

  • 5 V, 10 V, and 15 V parametric ratings

  • 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

参数类型

型号 Product status VCC (V) Output drive capability (mA) Logic switching levels tpd (ns) Power dissipation considerations Tamb (°C) Rth(j-a) (K/W) Ψth(j-top) (K/W) Rth(j-c) (K/W) Package name
HEF4521BT-Q100 Production 3.0 - 15 ± 2.4 CMOS 220 medium -40~85 65 1.0 22.8 SO16

封装

型号 可订购的器件编号，（订购码(12NC)） 状态 标示 封装 外形图 回流焊/波峰焊 包装
HEF4521BT-Q100 HEF4521BT-Q100J
(935691622118)		 Active HEF4521BT SOT109-1
SO16
(SOT109-1) 		SOT109-1 SO-SOJ-REFLOW
SO-SOJ-WAVE
WAVE_BG-BD-1
SOT109-1_118

环境信息

型号 可订购的器件编号 化学成分 RoHS RHF指示符
HEF4521BT-Q100 HEF4521BT-Q100J HEF4521BT-Q100 rohs rhf rhf
品质及可靠性免责声明

文档 (9)

文件名称 标题 类型 日期
HEF4521B_Q100 24-stage frequency divider and oscillator Data sheet 2023-10-19
SOT109-1 3D model for products with SOT109-1 package Design support 2020-01-22
Nexperia_package_poster Nexperia package poster Leaflet 2020-05-15
SO16_SOT109-1_mk plastic, small outline package; 16 leads; 1.27 mm pitch; 9.9 mm x 3.9 mm x 1.35 mm body Marcom graphics 2017-01-28
SOT109-1 plastic, small outline package; 16 leads; 1.27 mm pitch; 9.9 mm x 3.9 mm x 1.75 mm body Package information 2023-11-07
SOT109-1_118 SO16; Reel pack for SMD, 13"; Q1/T1 product orientation Packing information 2024-02-19
SO-SOJ-REFLOW Footprint for reflow soldering Reflow soldering 2009-10-08
SO-SOJ-WAVE Footprint for wave soldering Wave soldering 2009-10-08
WAVE_BG-BD-1 Wave soldering profile Wave soldering 2021-09-08

支持

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模型

文件名称 标题 类型 日期
SOT109-1 3D model for products with SOT109-1 package Design support 2020-01-22

订购、定价与供货

型号 Orderable part number Ordering code (12NC) 状态 包装 Packing Quantity 在线购买
HEF4521BT-Q100 HEF4521BT-Q100J 935691622118 Active SOT109-1_118 2,500 订单产品

样品

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How does it work?

The interactive datasheets are based on the Nexperia MOSFET precision electrothermal models. With our interactive datasheets you can simply specify your own conditions interactively. Start by changing the values of the conditions. You can do this by using the sliders in the condition fields. By dragging the sliders you will see how the MOSFET will perform at the new conditions set.

可订购部件

型号 可订购的器件编号 订购代码(12NC) 封装 从经销商处购买
HEF4521BT-Q100 HEF4521BT-Q100J 935691622118 SOT109-1 订单产品
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