型号：74HC4040D

系列： 74HC4040

厂家： NXP Semiconductors/恩智浦半导体

产品描述:集成电路IC 逻辑 -计数器，除法器

12STAGE BINARY RIPPLE 16SOIC

产品种类： 计数器 IC

逻辑系列： 74HC

工作电源电压： 2 V to 6 V

工作温度范围： - 40 C to + 125 C

安装风格： SMD/SMT／贴片

供应商标准封装： SO-16

封装类型： Tube／管装

品牌： NXP Semiconductors

工厂包装数量： 50

零件号别名： 74HC4040D

其他名称：74HC4040D,652

74HC4040D,653

数量：18960

The 74HC4040; 74HCT4040 are high-speed Si-gate CMOS devices and are pin

compatible with the HEF4040B series. They are specified in compliance with JEDEC

standard no. 7A.

The 74HC4040; 74HCT4040 are 12-stage binary ripple counters with a clock input (CP),

an overriding asynchronous master reset input (MR) and twelve parallel outputs (Q0 to

Q11). The counter advances on the HIGH-to-LOW transition of CP.

A HIGH on MR clears all counter stages and forces all outputs LOW, independent of the

state of CP.

Each counter stage is a static toggle flip-flop

1. CPD is used to determine the dynamic power dissipation (PD in μW):

PD = CPD × VCC2 × fi + ∑ (CL × VCC2 × fo) where:

fi = input frequency in MHz

fo = output frequency in MHz

∑ (CL × VCC2 × fo) = sum of outputs

CL = output load capacitance in pF

VCC = supply voltage in V

2. For HC the condition is VI = GND to VCC

For HCT the condition is VI = GND to VCC − 1.5 V

备注：深圳市勤思达科技有限公司长期供应集成电路(IC)74HC4040D

计数器 74HC4040D，原装，厂家直销　品质保证，欢迎广大客户朋友咨询洽谈。

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