HEF4522BTD 查看數據表（PDF） - Philips Electronics

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产品描述 (功能)

生产厂家

HEF4522BTD

Programmable 4-bit BCD down counter

Philips Electronics 

Philips Semiconductors

Programmable 4-bit BCD down counter

APPLICATION INFORMATION

Some examples of applications for the HEF4522B are:

• Divide-by-n counter

• Programmable frequency divider

Product specification

HEF4522B

MSI

Counting cycle:

Fig.7 Typical application of two HEF4522B circuits in a 2-stage programmable down counter (one cycle). S are

thumbwheel switches; when open: LOW state.

January 1995

9

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