Datasheet Specifications
- Part number
- 7490
- Manufacturer
- National Semiconductor
- File Size
- 137.24 KB
- Datasheet
- 7490-NationalSemiconductor.pdf
- Description
- Decade and Binary Counter
Description
DM5490 DM7490A DM7493A Decade and Binary Counters www.DataSheet4U.com July 1992 DM5490 DM7490A DM7493A Decade and Binary Counters General Descript.
Features
* Y Typical power dissipation 90A 145 mW 93A 130 mW Y Count frequency 42 MHz Connection Diagrams Dual-In-Line Package TL F 6533Applications
* To use their maximum count length (decade or four-bit binary) the B input is connected to the QA output The input count pulses are applied to input A and the outputs are as described in the appropriate truth table A symmetrical divide-by-ten count can be obtained from the 90A counters by connecting7490 Distributors
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