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DS8628 - 130/225 MHz Low Power Prescalers

Datasheet Summary

Description

The DS8627 and DS8628 are low power fixed ratio prescalers which divide by 24 and 20 respectively The inputs can be driven either single or double-ended and they are buffered providing 40 100 mVrms input sensitivity The output provided is open-collector and is capable of interfacing with TTL and CMO

Features

  • Y Y Y Input frequency 130 MHz (-4 -3) 225 mHz (-2 std) Low power 10 mA (-4 -2) 7 mA (-3 std) Input sensitivity 100 mVrms (-4 -3) 40 mVrms (-2 std) Logic and Connection Diagrams DS8627 ( d 24) TL F 5009.
  • 1 DS8628 ( d 20) TL F 5009.
  • 2 Dual-In-Line Package TL F 5009.
  • 3 Top View Order Number DS8627N or DS8628N (-4 -3 -2) See NS Package Number N08E C1995 National Semiconductor Corporation TL F 5009 RRD-B30M115 Printed in U S A Absolute Maximum Ratings (Note 1) I.

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Datasheet Details

Part number DS8628
Manufacturer National Semiconductor
File Size 92.62 KB
Description 130/225 MHz Low Power Prescalers
Datasheet download datasheet DS8628 Datasheet
Additional preview pages of the DS8628 datasheet.

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Full PDF Text Transcription

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DS8627 DS8628 130 225 MHz Low Power Prescalers June 1986 DS8627 DS8628 130 225 MHz Low Power Prescalers General Description The DS8627 and DS8628 are low power fixed ratio prescalers which divide by 24 and 20 respectively The inputs can be driven either single or double-ended and they are buffered providing 40 100 mVrms input sensitivity The output provided is open-collector and is capable of interfacing with TTL and CMOS The device can be used in phase-locked loop applications such as FM radio or other communications bands to prescale the input frequency down to a more usable level A digital frequency display system can also be derived separately or in conjunction with a phase-locked loop and it can extend the useful range of many inexpensive frequency counters to 225 MHz Features Y Y
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