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    74HC4520D

    Dual 4-bit synchronous binary counter

    The 74HC4520; 74HCT4520 are dual 4-bit internally synchronous binary counters with two clock inputs (nCP0 and nCP1). They have buffered outputs from all 4 bit positions (nQ0 to nQ3) and an asynchronous master reset input (nMR). The counter advances on the LOW-to-HIGH transition of nCP0 when nCP1 is HIGH. It also advances on the HIGH-to-LOW transition of nCP1 when nCP0 is LOW. Either nCP0 or nCP1 may be used as the clock input to the counter. The other clock input may be used as a clock enable input. A HIGH on nMR, resets the counter (nQ0 to nQ3 = LOW) independent of nCP0 and nCP1. Inputs include clamp diodes. It enables the use of current limiting resistors to interface inputs to voltages in excess of VCC.

    Features and benefits

    • Wide supply voltage range from 2.0 V to 6.0 V

    • CMOS low power dissipation

    • High noise immunity

    • Latch-up performance exceeds 100 mA per JESD 78 Class II Level B

    • Complies with JEDEC standards:

      • JESD8C (2.7 V to 3.6 V)

      • JESD7A (2.0 V to 6.0 V)

    • Input levels:

      • For 74HC4520: CMOS level

      • For 74HCT4520: TTL level

    • ESD protection:

      • HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V

      • CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V

    • Specified from -40 °C to +85 °C and -40 °C to +125 °C

    Applications

    • Multistage synchronous counting

    • Multistage asynchronous counting

    • Frequency dividers

    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
    74HC4520D Production 2.0 - 6.0 ± 5.2 CMOS 24 low -40~125 65 1.0 22 SO16

    PCB Symbol, Footprint and 3D Model

    Model Name 描述

    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
    74HC4520D 74HC4520D,118
    (933714900118)    		 Active 74HC4520D SOT109-1
    SO16
    (SOT109-1)     		SOT109-1 SO-SOJ-REFLOW
    SO-SOJ-WAVE
    WAVE_BG-BD-1
    		SOT109-1_118

    下表中的所有产品型号均已停产 。

    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
    74HC4520D 74HC4520D,112
    (933714900112)    		 Withdrawn / End-of-life 74HC4520D SOT109-1
    SO16
    (SOT109-1)     		SOT109-1 SO-SOJ-REFLOW
    SO-SOJ-WAVE
    WAVE_BG-BD-1
    		SOT109-1_112

    环境信息

    型号 可订购的器件编号 化学成分 RoHS RHF指示符
    74HC4520D 74HC4520D,118 74HC4520D rohs rhf rhf

    下表中的所有产品型号均已停产 。

    型号 可订购的器件编号 化学成分 RoHS RHF指示符
    74HC4520D 74HC4520D,112 74HC4520D rohs rhf rhf
    品质及可靠性免责声明

    文档 (12)

    文件名称 标题 类型 日期
    74HC_HCT4520 Dual 4-bit synchronous binary counter Data sheet 2024-04-02
    AN11044 Pin FMEA 74HC/74HCT family Application note 2019-01-09
    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
    74HC4520D_Nexperia_Product_Reliability 74HC4520D Nexperia Product Reliability Quality document 2023-05-29
    SO-SOJ-REFLOW Footprint for reflow soldering Reflow soldering 2009-10-08
    HCT_USER_GUIDE HC/T User Guide User manual 1997-10-31
    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

    如果您需要设计/技术支持，请告知我们并填写 应答表 我们会尽快回复您。

    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

    PCB Symbol, Footprint and 3D Model

    Model Name 描述

    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
    74HC4520D 74HC4520D,118 933714900118 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
    74HC4520D 74HC4520D,118 933714900118 SOT109-1 订单产品
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