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HCF4521B

Part Number	HCF4521B
Manufacturer	STMicroelectronics
Description	24 STAGE FREQUENCY DIVIDER
Published	Mar 23, 2005
Detailed Description	® HCF4521B 24 STAGE FREQUENCY DIVIDER s s s s s s VERY LOW QUIESCENT CURRENT HIGH NOISE IMMUNITY VOLTAGE SUPPLY RANG...
Datasheet	HCF4521B PDF File

Overview

® HCF4521B 24 STAGE FREQUENCY DIVIDER s s s s s s VERY LOW QUIESCENT CURRENT HIGH NOISE IMMUNITY VOLTAGE SUPPLY RANGE 3V TO 18V ALL STAGES ARE RESETTABLE RESET DISABLES THE RC OSCILLATORFOR LOW STANDBY POWER DRAIN RC AND CRYSTAL OSCILLATOR OUTPUT ARE CAPABLE OF DRIVING EXTERNAL LOADS EY M1 (Plastic Package) (Micro Package) ORDER CODES : HCF4521BEY HCF4521BM1 DESCRIPTION The HCF4521B is a monolithic integrated circuit, available in 16-lead dual-in-line plastic package and plastic micro packages.
The HCF4521B have a chain of 24 flip-flops with an input circuit that allows three modes of operation.
The input circuit functions as a crystal or an RC oscillator or as an input buffer for an ex...

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