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11C91 - 650 MHz Prescalers

Download the 11C91 datasheet PDF. This datasheet also covers the 11C90 variant, as both devices belong to the same 650 mhz prescalers family and are provided as variant models within a single manufacturer datasheet.

Description

The 11C90 and 11C91 are high-speed prescalers designed specifically for communication and instrumentation applications All discussions and examples in this data sheet are applicable to the 11C91 as well as the 11C90 The 11C90 will divide by 10 or 11 and the 11C91 by 5 or 6 both over a frequency rang

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Note: The manufacturer provides a single datasheet file (11C90_National.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
11C90 650 MHz Prescalers National
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11C01 Dual 5-4 Input OR/NOR Gate National
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11C70 Master Slave D Type F-F National

Other Datasheets by National Semiconductor (Texas Instruments)

Part Number Description

Full PDF Text Transcription

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11C90 11C91 650 MHz Prescalers Not Intended For New Designs August 1992 11C90 11C91 650 MHz Prescalers General Description The 11C90 and 11C91 are high-speed prescalers designed specifically for communication and instrumentation applications All discussions and examples in this data sheet are applicable to the 11C91 as well as the 11C90 The 11C90 will divide by 10 or 11 and the 11C91 by 5 or 6 both over a frequency range from DC to typically 650 MHz The division ratio is controlled by the Mode Control The divide-by-10 or -11 capability allows the use of pulse swallowing techniques to control high-speed counting modulos by lower-speed circuits The 11C90 may be used with either ECL or TTL power supplies In addition to the ECL outputs Q and Q the 11C90 contains an ECL-to-TTL converter and
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