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HEF4520BT - Nexperia

Description: HEF4520BT, 4-stage Counter Binary Up Counter, Uni-Directional 3 to 15V 16-Pin SOIC

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PCB Footprints
HEF4520BT - Nexperia PCB footprint - Small Outline Packages - Small Outline Packages - SOT 109-1(SO16)
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3D Models
HEF4520BT - Nexperia  - 3D model - Small Outline Packages - SOT 109-1(SO16)
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HEF4520BT Details

  • Manufacturer Part Number:

    HEF4520BT

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    SOP-16

  • Country Of Origin:

    Thailand

  • HTS Code:

    8542.39.00.60

  • Date Of Intro:

    1985-01-15

  • Manufacturer:

    Nexperia

  • YTEOL:

    5

  • Additional Feature:

    GATED CLOCK; SCHMITT TRIGGER ON CLOCK INPUT

  • Count Direction:

    UP

  • Family:

    4000/14000/40000

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    9.9 mm

  • Load Capacitance (CL):

    50 pF

  • Load/Preset Input:

    NO

  • Logic IC Type:

    BINARY COUNTER

  • Max Frequency@Nom-Sup:

    8000000 Hz

  • Max I(ol):

    0.0036 A

  • Mode of Operation:

    SYNCHRONOUS

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    4

  • Number of Functions:

    2

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    50 mA

  • Prop. Delay@Nom-Sup:

    220 ns

  • Propagation Delay (tpd):

    220 ns

  • Seated Height-Max:

    1.75 mm

  • Supply Voltage-Max (Vsup):

    15 V

  • Supply Voltage-Min (Vsup):

    3 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    NICKEL PALLADIUM GOLD

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Trigger Type:

    POSITIVE EDGE

  • Width:

    3.9 mm

  • fmax-Min:

    20 MHz

HEF4520BT Frequently Asked Questions (FAQs)

  • The recommended operating voltage range for the HEF4520BT is 4.5V to 15.5V, although it can operate down to 3V with reduced performance.
  • To ensure proper power-up and initialization, the VCC pin should be ramped up slowly (typically 1-10 ms) to the desired operating voltage, and the reset pin (MR) should be pulled high for at least 10 ns to initialize the device.
  • The maximum frequency of operation for the HEF4520BT is typically 10 MHz, although this can vary depending on the specific application and operating conditions.
  • During power-up and power-down, the OE pin should be pulled high to prevent unwanted output transitions. This can be done using an external pull-up resistor or by connecting the OE pin to the VCC pin through a resistor.
  • To minimize noise and EMI, the HEF4520BT should be placed close to the power supply decoupling capacitors, and the input and output signals should be routed away from each other and from the power supply lines. Additionally, a ground plane should be used to reduce noise and EMI.

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HEF4520BT Overview

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About Nexperia

Nexperia is a leading global player in the semiconductor industry. Specializing in essential electronic components, Nexperia offers a diverse range of products including discrete components, MOSFETs, logic ICs, and analog ICs. These components are integral to a multitude of applications across automotive, industrial, consumer electronics, and computing sectors, where reliability, performance, and efficiency are paramount.

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