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See Technical Specifications

CD4520BE

CMOS Dual Binary Up-Counter

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

CD4520BE
Datasheet:

CD4520BE Datasheet (PDF)
Series:

4000B
Logic Type:

Binary Counter
Direction:

Up
Number of Elements:

2
EDA/CAD Models:

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CD4520BE General Description

CD4518 Dual BCD Up-Counter and CD4520 Dual Binary Up-Counter each consist of two identical, internally synchronous 4-stage counters. The counter stages are D-type flip-flops having interchangeable CLOCK and ENABLE lines for incrementing on either the positive-going or negative-going transition. For single-unit operation the ENABLE input is maintained high and the counter advances on each positive-going transition of the CLOCK. The counters are cleared by high levels on their RESET lines.

The counter can be cascaded in the ripple mode by connecting Q4 to the enable input of the subsequent counter while the CLOCK input of the latter is held low.

The CD4518B and CD4520B types are supplied in 16-lead hermetic dual-in-line ceramic packages (F3A suffix), 16-lead dual-in-line plastic packages (E suffix), 16-lead small-outline packages (M, M96, and NSR suffixes), and 16-lead thin shrink small-outline packages (PW and PWR suffixes).

Key Features

Medium-speed operation -
6-MHz typical clock frequency at 10 V
Positive- or negative-edge triggering
Synchronous internal carry propagation
100% tested for quiescent current at 20 V
Maximum input current of 1 µA at 18 V over full package-temperature range; 100 nA at 18 V and 25°C
Noise margin (over full package-temperature range):
- 1 V at V_DD = 5 V
- 2 V at V_DD = 10 V
- 2.5 V at V_DD = 15 V
5-V, 10-V, and 15-V parametric ratings
Standardized, symmetrical output characteristics
Meets all requirements of JEDEC Tentative Standard No. 13B, "Standard Specifications for Description of ’B’ Series CMOS Devices"
Applications
- Multistage synchronous counting
- Multistage ripple counting
- Frequency dividers

Data sheet acquired from Harris Semiconductor.

Specifications

Category	Integrated Circuits (ICs)LogicCounters, Dividers	Series	4000B
Logic Type	Binary Counter	Direction	Up
Number of Elements	2	Number of Bits per Element	4
Reset	Asynchronous	Timing	Synchronous
Count Rate	8 MHz	Trigger Type	Positive, Negative
Voltage - Supply	3 V ~ 18 V	Operating Temperature	-55°C ~ 125°C
Mounting Type	Through Hole	Base Product Number	CD4520

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Ratings and Reviews

I**a 10/04/2023

Very Good Not much sound quality but it's ok as a starting kit

A**r 11/01/2022

The seller did not fill in the customs declaration and for this reason the order remained at the reception point. I tried to contact the seller, he replied that he filled out a simplified declaration. Such a statement was invalid, the seller did not reply to my letters. My project suffered from a lack of necessary. I believe it is not a reliable seller! He does not care about the rating of his store and reviews about him. This is my first failed deal. Don't believe him.

S**l 12/12/2021

Resistors came. I'm sorry. I will not underestimate

D**n 06/07/2020

Everything works, modules are tiny)