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HCF4522BM1 Scheda tecnica(PDF) 1 Page - STMicroelectronics |
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HCF4522BM1 Scheda tecnica(HTML) 1 Page - STMicroelectronics |
1 / 6 page HCC4522B HCF4522B September 1990 PROGRAMMABLE BCD DIVIDER-BY-N COUNTER PRODUCT PREVIEW EY (Plastic Package) . VERY LOW QUIESCENT CURRENT . HIGH NOISE IMMUNITY . SUPPLY VOLTAGE RANGE 3V TO 18V . INTERNALLY SYNCHRONOUS FOR HIGH IN- TERNAL AND EXTERNAL SPEEDS . 5.0MHz COUNTING RATE . INCREMENTED ON POSITIVE TRANSITION OF CLOCK OR NEGATIVE TRANSITION OF CLOCK INHIBIT . ASYNCHRONOUS PRESET ENABLE ORDER CODES : HCC4522 BF HCF4522 BM1 HCF4522 BEY HCF4522 BC1 F (Ceramic Frit Seal Package) M1 (Micro Package) C1 (Plastic Chip Carrier) The HCC4522B and HCF4522B are monolithic in- tegrated circuits, available in 16-lead dual-in-line plastic or ceramic packages and plastic micro pack- ages. The HCC4522B and HCF4522B are programm- able, BCD down counters with a decoded ”0” state output for divide-by-N applications. The counters are cascadable. In single stage applications the ”0” output is applied to the Preset Enable input. The cascade feedback input allows cascade divide-by-N operation with no additional gates required. The clock Inhibit input allows disabling of the pulse counting function. Applications for these programmable divide-by-N counters include frequency synthesizers, phase- locked loops and other frequency dividing circuits where low power and/or high noise immunity is re- quired. DESCRIPTION PIN CONNECTION (top view) 1/6 |
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Descrizione simile - HCF4522BM1 |
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