CD4522B - CMOS 可编程 BCD N 分频计数器

CD4522B是TI德州仪器公司的一款计数器/算术/奇偶校验功能产品，CD4522B是CMOS 可编程 BCD N 分频计数器，本站介绍了CD4522B的封装应用图解、特点和优点、功能等，并给出了与CD4522B相关的TI元器件型号供参考。

CD4522B - CMOS 可编程 BCD N 分频计数器 - 计数器/算术/奇偶校验功能 - 特殊逻辑 - 德州仪器

产品描述

CD4522B programmable BCD counter has a decoded "0" state output for divide-by-N applications. In single stage operation the "0" output is tied to the Preset Enable input. The Cascade Feedback allows multiple stage divide-by-N operation without the need for external gating. A HIGH on the Clock Inhibit disables the pulse-counting function. A HIGH on the Master Reset asynchronously resets the divide-by-N operation. The output is presented in BCD format.

The CD4522B-series types are supplied in 16-lead dual-in-line plastic packages (E suffix), 16-lead small-outline packages (M, M96, MT, and NSR suffixes), and 16-lead thin shrink small-outline packages (PW and PWR suffixes).

产品特性

Internally synchronous for high internal and external speeds
Logic edge-clocked design — increments on positive Clock transition or on negative Clock inhibit transition.
100% tested for quiescent current at 20-V
5-V, 10-V, and 15-V parametric ratings
Standard symmetrical output characteristics
Maximum input current of 1 µA at 18 V over full package-temperature range; 100 nA at 18 V and 25°C
Meets all requirements of JEDEC Tentative Standard No. 13B, "Standard Specifications for Description of ’B’ Series CMOS Devices"
Applications:
- Frequency synthesizers
- Phase-locked loops
- Programmable down counters
- Programmable frequency dividers

NOT RECOMMENDED FOR NEW DESIGNS

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